_ registry / mcp streamable-http · checked 48m ago

x402-gateway

https://x402.freeq.one

Registry code: 31130c3897e9e144

verified passport api record

PDF to Markdown: Convert a PDF document to clean, LLM-ready Markdown. Provide a direct URL to the PDF or base64-encoded file bytes. Auto-extracts headings, paragraphs, lists and tables. Ideal for feeding reports, papers and contracts into RAG pipelines. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/pdf_to_markdown.

from a public catalogue that lists it, not from the operator

endpoint
https://x402.freeq.one/mcp
protocol
streamable-http ·2025-03-26
authentication
none observed
public key
BqAzbcSvGFLhSu9bKjcAwKNycckYaj2gu6NmUprG1yGM
karma
19 · newcomer ·what for
_ is it live, free and safe measured by this hub
Is x402-gateway live?
Yes — it answered the hub's last check (checked 48m ago). It answered 99% of checks over the last 30 days.
Is x402-gateway free to use?
Partly — some of its tools are open, others need a key or payment.
What tools does x402-gateway have?
68 tools: giftcard_buy, swap_status, swap_estimate, swap_currencies, enrich_company, search_intent, image_generate, raas_project_provision, ….
Is x402-gateway safe to connect?
The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
reachable
live
uptime, 30 days
99%

90 days 98.8%· all time 98.8%

latency
203ms

last good check

priced tools
64

of 68 tools

_ answered our checks, 90 days 887 checks · signed record
  • degraded → live
  • live → degraded· timeout after 20000ms
  • degraded → live
  • live → degraded· timeout after 20000ms
  • degraded → live
_ what it is for
topic
developer tools apis & integration
used for
  • convert pdf or docx to markdown
  • look up wallet portfolio and token price
  • verify wallet signatures and proofs
  • create short links
  • buy a digital gift card
takes → gives
documents, text, data → text, data, images
tools
20 reads4 changes data1 moves money
_ usage and payments 30 days

Calls placed through this hub's router, from its own receipts, and USDC settlements on base into the address this listing's priced doors name, read off the chain. Every caller and every payer counts the same; the chain total is counted from three payers. The address stands behind 160 doors on this origin, so the chain figures are the operator's. How it is counted.

accounts
0

through this hub

calls served
0

successful

paid through this hub
0 USDC

what callers paid

payers on base
21

distinct

settlements
1,745

last 2026-11-10

received on chain
43.531249 USDC

concentrated

_ what it can do 68 tools
64 paid1 open 3 never probed 65 of 68 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

  • enrich_company 0.04 USDC paid 18h ago

    Company firmographics by domain (preferred) or exact name: description, industry, company type, exact and range headcount, headcount growth by timespan, founding year, headquarters, specialties and LinkedIn URL. A settled no-match returns 404 and is not charged.

    mcp-tool

    {
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "example": "Stripe",
      "description": "Exact company name — used when the domain is unknown. Either domain or name is required."
    },
    "domain": {
      "type": "string",
      "example": "stripe.com",
      "description": "Company domain, e.g. stripe.com (no path) — the most reliable key."
    }
  }
}
    arguments 15 lines
  • search_intent 0.02 USDC paid 38h ago

    Detect search intent (informational, transactional, commercial) for a keyword. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keywords"
  ],
  "properties": {
    "keywords": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "example": [
        "best running shoes",
        "buy running shoes"
      ],
      "maxItems": 20,
      "description": "Up to 20 keywords to classify"
    }
  }
}
    arguments 20 lines
  • image_generate 0.02 USDC paid 30h ago

    Generate an image from a text prompt (fast tier, 2-6s). Returns a permanent https URL to the hosted image on api.freeq.one/media/*. Game assets, avatars, illustrations, concept art.

    mcp-tool

    {
  "type": "object",
  "required": [
    "prompt"
  ],
  "properties": {
    "width": {
      "type": "integer",
      "example": 1024,
      "description": "Image width in px (256-1536, default 1024)"
    },
    "height": {
      "type": "integer",
      "example": 1024,
      "description": "Image height in px (256-1536, default 1024)"
    },
    "prompt": {
      "type": "string",
      "example": "a cat wearing a tiny hat, studio lighting",
      "description": "Text description of the image to generate (max 1200 chars)"
    }
  }
}
    arguments 23 lines
  • raas_project_provision 0.05 USDC paid never probed

    Provision a Referral-as-a-Service (RaaS) project — one-time $0.05. Returns project_id and apiKey (hashed server-side; shown once — store now). Then call https://api.freeq.one/v1/raas with x-api-key: mint referral codes, track stats, and credit referrers when referred x402 settlements verify on Base.

    mcp-tool

    {
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "example": "my-shop",
      "description": "Project name (<=128 chars)."
    },
    "description": {
      "type": "string",
      "example": "Credits for buyers referred from the shop blog",
      "description": "Optional human-readable project description."
    },
    "landing_url": {
      "type": "string",
      "example": "https://my-shop.example/landing",
      "description": "Optional https redirect target for referred traffic; must be a host you control (domain verification seeds automatically if not yet proven)."
    }
  }
}
    arguments 23 lines
  • whale_alerts reads 0.01 USDC paid 11h ago

    Scan recent blocks for large ETH transfers involving an address. Filter by direction (in/out/both) and threshold.

    mcp-tool

    {
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "example": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "description": "Ethereum address to monitor"
    },
    "direction": {
      "type": "string",
      "example": "both",
      "description": "in, out, or both (default both)"
    },
    "min_value_eth": {
      "type": "number",
      "example": 100,
      "description": "Minimum ETH value threshold"
    }
  }
}
    arguments 23 lines
  • wallet_token_risk 0.05 USDC paid 34h ago

    Behavioral on-chain risk score (0-100) for a wallet or token contract: activity, age, counterparty concentration, asset diversity and large-transfer share, plus a smart-money score for wallets. Not sanctions or honeypot screening.

    mcp-tool

    {
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "chain": {
      "type": "string",
      "example": "eth",
      "description": "Chain key: eth, arb, base, polygon, opt"
    },
    "address": {
      "type": "string",
      "example": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "description": "Wallet address (subject wallet) or token contract address (subject token), 0x-prefixed, 42 chars"
    },
    "subject": {
      "enum": [
        "wallet",
        "token"
      ],
      "type": "string",
      "example": "wallet",
      "description": "What to assess: wallet (default) or token"
    },
    "transfer_limit": {
      "type": "integer",
      "example": 50,
      "description": "Max transfers sampled per direction, 1-100 (default 50)"
    }
  }
}
    arguments 32 lines
  • github_repo_health 0.002 USDC paid 25h ago

    0-100 health score for a public GitHub repo from stars, forks, open issues, contributors, last push, latest release, languages and community profile, with a documented component breakdown. Provide repo as owner/repo.

    mcp-tool

    {
  "type": "object",
  "required": [
    "repo"
  ],
  "properties": {
    "repo": {
      "type": "string",
      "example": "expressjs/express",
      "description": "GitHub repository as owner/repo"
    },
    "repository_url": {
      "type": "string",
      "example": "https://github.com/expressjs/express",
      "description": "Full GitHub URL instead of repo, e.g. https://github.com/expressjs/express"
    }
  }
}
    arguments 18 lines
  • og_image_generator changes data 0.01 USDC paid 36h ago

    Generate an Open Graph social-card image (1200x630 PNG) from a title and description. Returns a base64-encoded image (MCP content type image). Optional image URL embeds a header graphic. Title truncated to 60 chars, description to 120.

    mcp-tool

    {
  "type": "object",
  "required": [
    "title"
  ],
  "properties": {
    "image": {
      "type": "string",
      "description": "Optional http(s) header image URL"
    },
    "title": {
      "type": "string",
      "example": "Jobs API — Pay Per Call",
      "description": "Card title, max 60 chars"
    },
    "description": {
      "type": "string",
      "example": "Search live job postings with USDC micro-payments on Base",
      "description": "Card description, max 120 chars"
    }
  }
}
    arguments 22 lines
  • google_serp 0.02 USDC paid 47h ago

    Live Google organic results for any keyword. Returns top 10 titles, URLs, snippets, and rank. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "keyword": {
      "type": "string",
      "example": "best running shoes",
      "description": "Search keyword to look up"
    },
    "language_code": {
      "type": "string",
      "description": "ISO 639-1 two-letter lowercase language code, e.g. 'en' (no language names, no 'en-US')"
    },
    "location_code": {
      "type": "integer",
      "description": "Geo location code, e.g. 2840 = United States (NOT the ISO-3166 country number 840)"
    }
  }
}
    arguments 21 lines
  • domain_competitors 0.05 USDC paid 2d ago

    Find organic competitors for any domain. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Max competitors, 1-100 (default 10)"
    },
    "domain": {
      "type": "string",
      "example": "example.com",
      "description": "Domain, e.g. example.com (no path)"
    },
    "language_code": {
      "type": "string",
      "description": "ISO 639-1 two-letter lowercase language code, e.g. 'en' (no language names, no 'en-US')"
    },
    "location_code": {
      "type": "integer",
      "description": "Geo location code, e.g. 2840 = United States (NOT the ISO-3166 country number 840)"
    }
  }
}
    arguments 25 lines
  • domain_keywords 0.05 USDC paid 2d ago

    Get all keywords a domain ranks for with position and volume. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Max keywords, 1-200 (default 50)"
    },
    "domain": {
      "type": "string",
      "example": "example.com",
      "description": "Domain, e.g. example.com (no path)"
    },
    "language_code": {
      "type": "string",
      "description": "ISO 639-1 two-letter lowercase language code, e.g. 'en' (no language names, no 'en-US')"
    },
    "location_code": {
      "type": "integer",
      "description": "Geo location code, e.g. 2840 = United States (NOT the ISO-3166 country number 840)"
    }
  }
}
    arguments 25 lines
  • find_email 0.025 USDC paid never probed

    Resolve one person's work email from a full name and company domain. Returns the best address with its verification status plus every work email found. Unfinished lookups return status "pending"; a settled no-match returns 404 and is not charged.

    mcp-tool

    {
  "type": "object",
  "required": [
    "full_name",
    "company_domain"
  ],
  "properties": {
    "full_name": {
      "type": "string",
      "example": "Patrick Collison",
      "description": "Person's full name, e.g. 'Patrick Collison'"
    },
    "company_domain": {
      "type": "string",
      "example": "stripe.com",
      "description": "Company domain, e.g. stripe.com (no path)"
    }
  }
}
    arguments 19 lines
  • company_signals 0.05 USDC paid never probed

    Firmographics, headcount-growth classification, homepage tech detection, and an explainable 0-100 lead score. Score reflects findability, size and growth — not buying intent or funding; funding, revenue, layoffs and hiring-posting counts unavailable upstream. A settled no-match returns 404 and is not charged.

    mcp-tool

    {
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "example": "Stripe",
      "description": "Exact company name — used when the domain is unknown. Either domain or name is required."
    },
    "domain": {
      "type": "string",
      "example": "stripe.com",
      "description": "Company domain, e.g. stripe.com (no path) — the most reliable key."
    }
  }
}
    arguments 15 lines
  • verify_semaphore 0.01 USDC paid 25h ago

    Verify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No external dependency. Send the proof object from @semaphore-protocol/proof generateProof().

    mcp-tool

    {
  "type": "object",
  "required": [
    "proof"
  ],
  "properties": {
    "proof": {
      "type": "object",
      "description": "Semaphore proof: { merkleTreeDepth, merkleTreeRoot, nullifier, message, scope, points }"
    }
  }
}
    arguments 12 lines
  • pdf_to_markdown reads 0.01 USDC paid 11h ago

    Convert a PDF document to clean, LLM-ready Markdown. Provide a direct URL to the PDF or base64-encoded file bytes. Auto-extracts headings, paragraphs, lists and tables. Ideal for feeding reports, papers and contracts into RAG pipelines.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/report.pdf",
      "description": "Direct URL to the PDF document"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded PDF bytes (alternative to url)"
    },
    "max_length": {
      "type": "integer",
      "example": 100000,
      "description": "Truncate output to N characters"
    }
  }
}
    arguments 21 lines
  • photo_to_3d_fast 0.15 USDC paid 18h ago

    Photo to 3D model (fast tier, 10-30s). Upload a single 2D image URL, get a textured low-poly GLB mesh with a preview thumbnail. Game-ready — drop straight into Three.js, Unity, or Godot.

    mcp-tool

    {
  "type": "object",
  "required": [
    "image_url"
  ],
  "properties": {
    "image_url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/toy.png",
      "description": "https URL of a single-product or single-object photo (transparent/white background works best)"
    }
  }
}
    arguments 13 lines
  • document_extract 0.02 USDC paid 30h ago

    Extract structured JSON from a document: sections, tables, key-values and caller-named fields. PDF, DOCX, PPTX, XLSX, CSV, EPUB, HTML, text. Deterministic parsing — no OCR, no LLM inference.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/report.pdf",
      "description": "Alias for document_url"
    },
    "fields": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "example": "invoice_number"
          },
          "type": {
            "enum": [
              "string",
              "number",
              "boolean",
              "date"
            ],
            "type": "string",
            "example": "string"
          }
        }
      },
      "description": "Optional caller-named fields (max 20), each {name, type} with type string, number, boolean or date; unmatched fields return null, never guessed"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded document bytes (alternative to document_url)"
    },
    "filename": {
      "type": "string",
      "example": "report.pdf",
      "description": "Optional original filename"
    },
    "max_length": {
      "type": "integer",
      "example": 100000,
      "description": "Truncate converted text to N characters"
    },
    "document_url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/report.pdf",
      "description": "Direct URL to the document (alternative: file_b64)"
    }
  }
}
    arguments 54 lines
  • cert_transparency_bundle 0.02 USDC paid 41h ago

    Certificate Transparency bundle: cert history, first-seen, issuer timeline and CT-log subdomain hints for a domain, plus a continuity score. From crt.sh — no live TLS check, no full enumeration.

    mcp-tool

    {
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "example": "example.com",
      "description": "A bare domain name, or a URL whose host is used"
    },
    "include_subdomains": {
      "type": "boolean",
      "example": true,
      "description": "Also query the wildcard %.domain so subdomain certificates appear in the history and hints (default true)"
    }
  }
}
    arguments 18 lines
  • package_supply_chain_risk 0.03 USDC paid 8h ago

    Package supply-chain risk bundle: 0-100 safety score and risk band for an npm or PyPI package, with OSV vulnerabilities and fixed versions plus maintenance and adoption evidence. Known-vuln data only — no code scan.

    mcp-tool

    {
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string",
      "example": "lodash",
      "description": "Package name, e.g. lodash or @scope/pkg (npm) or requests (PyPI)"
    },
    "version": {
      "type": "string",
      "example": "4.17.21",
      "description": "A registry version; defaults to latest"
    },
    "ecosystem": {
      "enum": [
        "npm",
        "pypi"
      ],
      "type": "string",
      "example": "npm",
      "description": "Registry ecosystem (default npm)"
    }
  }
}
    arguments 27 lines
  • page_screenshot 0.002 USDC paid 44h ago

    Full-browser screenshot of any public page as base64 PNG or JPEG: viewport or full-page, custom size, rendered in headless Chromium.

    mcp-tool

    {
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://example.com",
      "description": "The page to screenshot (http/https)"
    },
    "width": {
      "type": "integer",
      "example": 1280,
      "description": "CSS viewport width, 320-1920 (default 1280)"
    },
    "format": {
      "enum": [
        "png",
        "jpeg"
      ],
      "type": "string",
      "example": "png",
      "description": "Image format: png (default, lossless) or jpeg (quality 85)"
    },
    "height": {
      "type": "integer",
      "example": 720,
      "description": "CSS viewport height, 240-1080 (default 720)"
    },
    "delay_ms": {
      "type": "integer",
      "example": 500,
      "description": "Settle time after load, 0-5000 ms (default 500)"
    },
    "y_offset": {
      "type": "integer",
      "example": 0,
      "description": "Vertical offset in CSS pixels from the top of the document (default 0). With full_page, captures the slice starting at y_offset so documents taller than 10,000 px can be captured in slices (0, 10000, 20000, ...); without full_page, captures the viewport window starting at y_offset. Chromium only — stealth rejects a nonzero y_offset"
    },
    "full_page": {
      "type": "boolean",
      "example": false,
      "description": "Capture the whole document up to 10,000 px tall; taller documents return 413 (default false). With y_offset it captures the slice [y_offset, y_offset + 10,000 px) instead"
    },
    "device_scale_factor": {
      "type": "integer",
      "example": 1,
      "description": "Retina scaling, 1-2 (default 1)"
    }
  }
}
    arguments 52 lines
  • sec_financial_snapshot 0.03 USDC paid 11h ago

    SEC financial snapshot for a listed company by ticker or CIK: latest 10-K revenue, net income, total assets, diluted EPS and shares, prior-year revenue growth, and recent filings with document links. Filed XBRL facts only — no prices, estimates, or advice.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "cik": {
      "type": "string",
      "example": "320193",
      "description": "SEC CIK number, e.g. 320193 for Apple (wins over ticker when both given)"
    },
    "ticker": {
      "type": "string",
      "example": "AAPL",
      "description": "Stock ticker, e.g. AAPL (at least one of ticker/cik required)"
    }
  }
}
    arguments 16 lines
  • clinical_trial_intel 0.02 USDC paid 30h ago

    Clinical trial intelligence for one NCT ID or condition: status, phase, sponsor, enrollment, interventions, arms, outcomes, locations, eligibility summary, results flag, and a deterministic 0-100 evidence maturity score. Reported facts only — no medical advice.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "phase": {
      "type": "string",
      "example": "PHASE3",
      "description": "Search only: phase filter, e.g. PHASE3"
    },
    "nct_id": {
      "type": "string",
      "example": "NCT04852770",
      "description": "Trial NCT id, e.g. NCT04852770 (wins over condition when both given)"
    },
    "status": {
      "type": "string",
      "example": "RECRUITING",
      "description": "Search only: overall status filter, e.g. RECRUITING or COMPLETED"
    },
    "condition": {
      "type": "string",
      "example": "type 2 diabetes",
      "description": "Condition to search, e.g. type 2 diabetes (at least one of nct_id/condition required)"
    },
    "max_results": {
      "type": "integer",
      "example": 5,
      "description": "Search only: trials to return (default 5, 1-10)"
    }
  }
}
    arguments 31 lines
  • webhook_catch changes data 0.05 USDC paid never probed

    Ephemeral webhook receiver. Creates a single-use HTTPS URL that catches any POST (Stripe, GitHub, internal) for 1 hour — webhook senders need no payment, the receiver stores up to 100 events. Read captured events for $0.01 per read, extend the hook for $0.05/hour. In-memory storage, auto-deletes on expiry. Perfect for agent integration testing.

    mcp-tool

    {
  "type": "object",
  "properties": {
    "ttl_minutes": {
      "type": "number",
      "description": "Hook lifetime in minutes (5–1440). Default 60."
    }
  }
}
    arguments 9 lines
  • wallet_verify_solana reads 0.01 USDC paid never probed

    Verify an ed25519 Solana wallet signature over a message containing a 'Nonce: <value>' line. Returns the signer pubkey. Consumes the nonce — one verification per nonce.

    mcp-tool

    {
  "type": "object",
  "required": [
    "pubkey",
    "message",
    "signature"
  ],
  "properties": {
    "pubkey": {
      "type": "string",
      "description": "Base58 Solana public key of the signer"
    },
    "message": {
      "type": "string",
      "description": "Signed message containing a 'Nonce: <value>' line (get one via the /auth/solana/nonce endpoint pattern)"
    },
    "signature": {
      "type": "string",
      "description": "Base58 ed25519 signature"
    }
  }
}
    arguments 22 lines
  • verify_worldid reads 0.01 USDC paid 25h ago

    Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature server-side, then proxies the full IDKit proof to developer.world.org. Returns { valid, nullifier, worldcoin_response }.

    mcp-tool

    {
  "type": "object",
  "required": [
    "proof"
  ],
  "properties": {
    "proof": {
      "type": "object",
      "description": "IDKit proof payload: { protocol_version, responses, action?, session_id? }"
    },
    "action": {
      "type": "string",
      "description": "Action string (must match what IDKit used). Required for uniqueness proofs, omitted for session proofs."
    },
    "environment": {
      "enum": [
        "production",
        "staging"
      ],
      "type": "string",
      "description": "Worldcoin environment. Defaults to production."
    }
  }
}
    arguments 24 lines
  • html_to_markdown reads 0.01 USDC paid 47h ago

    Convert an HTML string to clean, LLM-ready Markdown. Handles headings, links, images, tables, lists and code blocks. Options: heading style (atx|setext), bullet list marker, code block style, emphasis delimiters.

    mcp-tool

    {
  "type": "object",
  "required": [
    "html"
  ],
  "properties": {
    "html": {
      "type": "string",
      "example": "<h1>Hello</h1><p>This is <b>rich text</b> being converted to <a href=\"https://example.com\">Markdown</a>.</p>",
      "description": "HTML source string to convert to Markdown"
    },
    "options": {
      "type": "object",
      "example": {
        "headingStyle": "atx"
      },
      "description": "Conversion options (headingStyle, bulletListMarker, codeBlockStyle, emDelimiter, strongDelimiter)"
    }
  }
}
    arguments 20 lines
  • docx_to_markdown reads 0.01 USDC paid 20h ago

    Convert a DOCX (Word) document to clean, LLM-ready Markdown. Provide a direct URL or base64-encoded file bytes. Preserves headings, lists, tables and formatting. Works for contracts, resumes, reports and letters.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/contract.docx",
      "description": "Direct URL to the DOCX file"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded DOCX bytes (alternative to url)"
    },
    "max_length": {
      "type": "integer",
      "example": 100000,
      "description": "Truncate output to N characters"
    }
  }
}
    arguments 21 lines
  • cross_chain_balance reads 0.01 USDC paid 2d ago

    Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt.

    mcp-tool

    {
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "chains": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "example": [
        "eth",
        "base",
        "arb"
      ],
      "description": "Chains to query: eth, arb, base, polygon, opt"
    },
    "address": {
      "type": "string",
      "example": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "description": "Ethereum address"
    }
  }
}
    arguments 25 lines
  • markdown 0.001 USDC paid 38h ago

    Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include_images.

    mcp-tool

    {
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://en.wikipedia.org/wiki/Base_(blockchain)",
      "description": "The URL to fetch and convert"
    },
    "options": {
      "type": "object",
      "example": {
        "max_length": 20000
      },
      "description": "Conversion options (output_format, css_selector, max_length, include_links, include_images)"
    }
  }
}
    arguments 20 lines
  • pptx_to_markdown reads 0.01 USDC paid 4h ago

    Convert a PPTX (PowerPoint) presentation to Markdown. Provide a direct URL or base64-encoded file bytes. Each slide becomes a heading with its text content — pitch decks and slide reports become LLM-readable text.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/deck.pptx",
      "description": "Direct URL to the PPTX file"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded PPTX bytes (alternative to url)"
    },
    "max_length": {
      "type": "integer",
      "example": 100000,
      "description": "Truncate output to N characters"
    }
  }
}
    arguments 21 lines
  • wallet_checksum reads 0.01 USDC paid 23h ago

    Convert an Ethereum address to its EIP-55 checksummed form. SIWE messages require the checksummed address on line 2 before signing.

    mcp-tool

    {
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "address": {
      "type": "string",
      "example": "0x90b0dc893406d6ea63bb077ed59f5e8340f98d84",
      "description": "Ethereum address in any casing (0x...)"
    }
  }
}
    arguments 13 lines
  • epub_to_markdown 0.01 USDC paid 15h ago

    Convert an EPUB e-book to clean Markdown. Provide a direct URL or base64-encoded file bytes. Chapters become headings; metadata (title, author) is included. Feed whole books into LLM context or RAG.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/book.epub",
      "description": "Direct URL to the EPUB file"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded EPUB bytes (alternative to url)"
    },
    "max_length": {
      "type": "integer",
      "example": 200000,
      "description": "Truncate output to N characters"
    }
  }
}
    arguments 21 lines
  • jobs reads 0.01 USDC paid 44h ago

    Search live job postings by keywords and locations. Returns structured results: title, company, location, apply URL, work types, employment type, seniority, industry, salary, and description. Supports onsite/remote/hybrid preferences. One call covers the whole market for a keyword + location pair.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keywords"
  ],
  "properties": {
    "keywords": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "example": [
        "software engineer"
      ],
      "description": "Search terms, e.g. ['software engineer', 'rust']"
    },
    "searches": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "location": {
            "type": "string",
            "example": "Berlin"
          },
          "work_type": {
            "type": "string",
            "example": "hybrid"
          }
        }
      },
      "example": [
        {
          "location": "Berlin",
          "work_type": "hybrid"
        }
      ],
      "description": "Search criteria list: {location: string (city/region/country), work_type: 'onsite'|'remote'|'hybrid'|''}"
    }
  }
}
    arguments 41 lines
  • verify_stablecoin reads 0.01 USDC paid 36h ago

    Verify a stablecoin: issuer identity, GENIUS Act qualification status, and latest reserve attestation. Resolves the token from chain+address, a known symbol (USDC, USDT, PYUSD, USDS, FDUSD, USDe), or a tx hash. Free preview: preview=true validates the input and returns the issuer only — no payment required.

    mcp-tool

    {
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Chain for address lookup: base (default), ethereum, arbitrum, optimism, polygon"
    },
    "symbol": {
      "type": "string",
      "description": "Known symbol: USDC, USDT, PYUSD, USDS, FDUSD, USDe (alternative to address)"
    },
    "address": {
      "type": "string",
      "description": "Token contract address (0x + 40 hex). e.g. 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 (USDC on Base)"
    },
    "preview": {
      "type": "boolean",
      "description": "true = free registry-only check: input validation + issuer identity, no on-chain calls, no attestation payload. No payment required."
    },
    "tx_hash": {
      "type": "string",
      "description": "Transaction hash — resolves the token contract from the tx's ERC-20 Transfer log"
    }
  }
}
    arguments 25 lines
  • mermaid changes data 0.01 USDC paid 38h ago

    Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only).

    mcp-tool

    {
  "type": "object",
  "required": [
    "code"
  ],
  "properties": {
    "code": {
      "type": "string",
      "example": "graph TD\n  A[Client] -->|402| B[x402 Gateway]\n  B -->|settle| C[USDC on Base]\n  B -->|forward| D[Upstream API]",
      "description": "Mermaid diagram source code, e.g. 'graph TD; A-->B'. Max 50000 chars."
    },
    "scale": {
      "type": "number",
      "example": 2,
      "description": "Raster scale 1-4, PNG only (default 2)."
    },
    "theme": {
      "enum": [
        "default",
        "dark",
        "forest",
        "neutral"
      ],
      "type": "string",
      "example": "default",
      "description": "Mermaid theme (default 'default')."
    },
    "format": {
      "enum": [
        "png",
        "svg"
      ],
      "type": "string",
      "example": "svg",
      "description": "Output format (default png). SVG returns vector text."
    }
  }
}
    arguments 38 lines
  • wallet_verify_nostr 0.01 USDC paid never probed

    Verify a NIP-98 Nostr HTTP auth event. Returns the signer pubkey. Stateful replay protection: each event id can only be verified once.

    mcp-tool

    {
  "type": "object",
  "required": [
    "token"
  ],
  "properties": {
    "url": {
      "type": "string",
      "description": "Expected u-tag URL (optional; defaults to the request URL)"
    },
    "token": {
      "type": "string",
      "description": "Base64-encoded NIP-98 event, or 'Nostr <base64>' Authorization header value"
    }
  }
}
    arguments 16 lines
  • shortlink_stats reads 0.01 USDC paid 32h ago

    Click stats for a freeq.one short link: total clicks, last-30-day clicks, last click time. FREE for the link owner — pass the manage_secret returned at creation as the link_secret field. The paid call is for agents checking a link they did not create (liveness/traffic check).

    mcp-tool

    {
  "type": "object",
  "required": [
    "slug"
  ],
  "properties": {
    "slug": {
      "type": "string",
      "example": "uuid-tool-2",
      "description": "Slug of the short link (the part after freeq.one/)"
    },
    "link_secret": {
      "type": "string",
      "example": "a7a7011bcaa56e6cf069d5a21fa6f932",
      "description": "Optional manage_secret — when correct, stats are returned free of click-limit truncation and the call is still priced $0.001 (kept paid for agent verification flows)"
    }
  }
}
    arguments 18 lines
  • llm_chat reads 0.01 USDC paid never probed

    Chat with a language model. OpenAI-compatible /v1/chat/completions interface. Supports 50+ models. Free models (auto, eco, premium) are $0 — paid models (gpt-5.2, claude-opus-5, deepseek-v4-pro, ...) are charged at cost. See /tools/llm_chat/models for the full model list and rates.

    mcp-tool

    {
  "type": "object",
  "required": [
    "messages"
  ],
  "properties": {
    "model": {
      "type": "string",
      "example": "auto",
      "description": "Model ID. Examples: auto/eco/premium (free, $0.002), openai/gpt-5.2, anthropic/claude-opus-5, google/gemini-3.1-pro, deepseek/deepseek-v4-pro. Short names accepted (gpt-5.2, claude-opus-5). See /tools for full list."
    },
    "messages": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "role": {
            "enum": [
              "system",
              "user",
              "assistant"
            ],
            "type": "string",
            "example": "user",
            "description": "Message role"
          },
          "content": {
            "type": "string",
            "example": "Say hello in one short sentence.",
            "description": "Message text content"
          }
        }
      },
      "example": [
        {
          "role": "user",
          "content": "Say hello in one short sentence."
        }
      ],
      "description": "Conversation messages array"
    },
    "max_tokens": {
      "type": "integer",
      "example": 256,
      "description": "Maximum tokens to generate (default 1024, max 4096). Lower values reduce cost for paid models."
    },
    "temperature": {
      "type": "number",
      "example": 0.7,
      "description": "Sampling temperature 0-2 (default 0.7)"
    }
  }
}
    arguments 53 lines
  • wallet_portfolio reads 0.01 USDC paid 20h ago

    Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT holdings, recent transfers.

    mcp-tool

    {
  "type": "object",
  "required": [
    "address"
  ],
  "properties": {
    "chain": {
      "type": "string",
      "example": "eth",
      "description": "Chain key: eth, arb, base, polygon, opt"
    },
    "address": {
      "type": "string",
      "example": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "description": "Ethereum address (0x-prefixed, 42 chars)"
    },
    "include_nfts": {
      "type": "boolean",
      "example": false,
      "description": "Include NFT holdings (default false)"
    },
    "include_tokens": {
      "type": "boolean",
      "example": true,
      "description": "Include ERC-20 balances (default true)"
    },
    "transfer_limit": {
      "type": "integer",
      "example": 20,
      "description": "Max transfers (1-100, default 20)"
    },
    "include_transfers": {
      "type": "boolean",
      "example": false,
      "description": "Include recent transfers (default false)"
    }
  }
}
    arguments 38 lines
  • shortlink_create changes data 0.01 USDC paid never probed

    Create a permanent short link on freeq.one (e.g. https://freeq.one/MySlug). Optional: custom slug, expires_at (ISO date) for a TTL link that auto-expires — same price. Returns short_url plus a one-time manage_secret that gates FREE stats (GET /tools/shortlink_stats with X-Link-Secret) and FREE deletion of the link. Store the secret — it is shown only at creation.

    mcp-tool

    {
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://imapp.blogspot.com/2026/08/uuid-generator-free-uuid-v4-v7-creator.html",
      "description": "Destination URL to shorten (http/https)"
    },
    "slug": {
      "type": "string",
      "description": "Optional custom slug (3-40 chars, a-z0-9-). Random if omitted."
    },
    "expires_at": {
      "type": "string",
      "example": "2027-01-01T00:00:00Z",
      "description": "Optional ISO 8601 expiry; link 404s after this time. Omit for a permanent link."
    }
  }
}
    arguments 22 lines
  • cargo_run 0.009991 USDC paid never probed

    Run any app from a zip URL. One call buys up to an hour: your zip is fetched and run from entrypoint.sh at its root. Poll the free result endpoint for stdout/stderr, exit code, timings. Zip ≤50 MB, ≤250 MB unpacked. Results kept 7 days; extend with the same zip URL + job_id. A bad zip is reported, not refunded, and still charged. Price $0.002–$0.10, shown before you pay.

    mcp-tool

    {
  "type": "object",
  "required": [
    "zip_url"
  ],
  "properties": {
    "job_id": {
      "type": "string",
      "example": "job_abc123",
      "description": "Extend a previous job with the same zip URL for one more hour"
    },
    "zip_url": {
      "type": "string",
      "description": "Public URL of the zip to run; entrypoint.sh at the zip root runs (a single top-level folder is also accepted)"
    }
  }
}
    arguments 17 lines
  • domain_reputation 0.02 USDC paid never probed

    Domain reputation bundle: 0-100 trust score and band from registration age, DNS, email auth, TLS, redirects and blocklists. Deterministic — no malware verdicts, no history.

    mcp-tool

    {
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "example": "example.com",
      "description": "A bare domain name, or a URL whose host is used"
    }
  }
}
    arguments 13 lines
  • enrich_person 0.06 USDC paid 15h ago

    Enrich one person by professional-profile URL, or by full name plus company domain or company name. Returns the work email (verification status plus all variants found) and the full public profile: headline, current role, experience history, education, skills, location. Unfinished lookups return status "pending"; a settled no-match returns 404 and is not charged.

    mcp-tool

    {
  "type": "object",
  "properties": {
    "full_name": {
      "type": "string",
      "example": "Patrick Collison",
      "description": "Person's full name. Required unless profile_url is supplied; the email search also needs a company key."
    },
    "want_email": {
      "type": "boolean",
      "example": true,
      "description": "Request the work email (default true). Needs full_name plus company_domain or company_name."
    },
    "want_phone": {
      "type": "boolean",
      "example": false,
      "description": "Must stay false — phone lookup is not available and returns a 400."
    },
    "profile_url": {
      "type": "string",
      "example": "https://www.linkedin.com/in/patrickcollison",
      "description": "Professional-profile URL (e.g. LinkedIn) — the richest key; alone it yields a profile without an email."
    },
    "company_name": {
      "type": "string",
      "example": "Stripe",
      "description": "Company name — alternative to company_domain for the email search."
    },
    "company_domain": {
      "type": "string",
      "example": "stripe.com",
      "description": "Company domain, e.g. stripe.com — disambiguates the email search."
    },
    "want_personal_email": {
      "type": "boolean",
      "example": false,
      "description": "Must stay false — personal-email lookup is not available and returns a 400."
    }
  }
}
    arguments 40 lines
  • photo_to_3d_hq 0.5 USDC paid 4h ago

    Photo to 3D model (high-detail tier, 1-3 min). Single input image to a high-poly textured GLB with PBR-like shading and a preview thumbnail. Game-ready — drop straight into Three.js, Unity, or Godot.

    mcp-tool

    {
  "type": "object",
  "required": [
    "image_url"
  ],
  "properties": {
    "image_url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/toy.png",
      "description": "https URL of a single-product or single-object photo (transparent/white background works best)"
    }
  }
}
    arguments 13 lines
  • sec_insider_trades 0.03 USDC paid 15h ago

    SEC insider trades for a listed company by ticker or CIK: recent Form 4 buys, sells, grants and exercises with shares, price and holdings, plus net flow and cluster buys. Filed facts only — no advice.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "cik": {
      "type": "string",
      "example": "320193",
      "description": "SEC CIK number, e.g. 320193 for Apple (wins over ticker when both given)"
    },
    "ticker": {
      "type": "string",
      "example": "AAPL",
      "description": "Stock ticker, e.g. AAPL (at least one of ticker/cik required)"
    },
    "max_filings": {
      "type": "number",
      "example": 20,
      "description": "Maximum Form 4 filings parsed, default 20, cap 50"
    },
    "lookback_days": {
      "type": "number",
      "example": 90,
      "description": "Lookback window in days, default 90, cap 365"
    }
  }
}
    arguments 26 lines
  • cve_exploit_risk 0.03 USDC paid 48m ago

    Exploit risk for one CVE from free public sources: NVD CVSS score and vector, CWE and affected products, FIRST EPSS 30-day exploit probability and percentile, and CISA KEV known-exploited flag with ransomware use. No exploit code or PoC.

    mcp-tool

    {
  "type": "object",
  "required": [
    "cve"
  ],
  "properties": {
    "cve": {
      "type": "string",
      "example": "CVE-2024-3094",
      "description": "CVE id, e.g. CVE-2024-3094"
    }
  }
}
    arguments 13 lines
  • changelog_git reads 0.01 USDC paid 8h ago

    Diff git commits and generate a structured breaking-change changelog. Provide repository_url, base_commit, and optional target_commit.

    mcp-tool

    {
  "type": "object",
  "required": [
    "repository_url",
    "base_commit"
  ],
  "properties": {
    "base_commit": {
      "type": "string",
      "example": "04bb13b6c5a17b8c07aaac20a9ea4b1cbafa0e0d",
      "description": "Base commit SHA"
    },
    "target_commit": {
      "type": "string",
      "example": "v4.21.2",
      "description": "Head commit SHA (optional, defaults to repo HEAD)"
    },
    "repository_url": {
      "type": "string",
      "example": "https://github.com/expressjs/express",
      "description": "Git repo URL (https)"
    }
  }
}
    arguments 24 lines
  • keyword_volume 0.03 USDC paid 41h ago

    Google search volume, CPC, and competition for up to 100 keywords. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keywords"
  ],
  "properties": {
    "keywords": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "example": [
        "running shoes",
        "protein powder"
      ],
      "maxItems": 100,
      "description": "Up to 100 keywords."
    },
    "language_code": {
      "type": "string",
      "description": "ISO 639-1 two-letter lowercase language code, e.g. 'en' (no language names, no 'en-US')"
    },
    "location_code": {
      "type": "integer",
      "description": "Geo location code, e.g. 2840 = United States (NOT the ISO-3166 country number 840)"
    }
  }
}
    arguments 28 lines
  • keyword_ideas 0.05 USDC paid 41h ago

    Generate keyword ideas from a seed keyword with volume data. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "keyword"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Max ideas to return, 1-100 (default 25)"
    },
    "keyword": {
      "type": "string",
      "example": "running shoes",
      "description": "Seed keyword"
    },
    "language_code": {
      "type": "string",
      "description": "ISO 639-1 two-letter lowercase language code, e.g. 'en' (no language names, no 'en-US')"
    },
    "location_code": {
      "type": "integer",
      "description": "Geo location code, e.g. 2840 = United States (NOT the ISO-3166 country number 840)"
    }
  }
}
    arguments 25 lines
  • backlinks_overview 0.05 USDC paid 18h ago

    Backlink overview for any domain — referring domains, backlink count, authority. Priced below typical SEO-data APIs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "example": "example.com",
      "description": "Domain, e.g. example.com (no path)"
    },
    "language_code": {
      "type": "string",
      "description": "ISO 639-1 two-letter lowercase language code, e.g. 'en' (no language names, no 'en-US')"
    },
    "location_code": {
      "type": "integer",
      "description": "Geo location code, e.g. 2840 = United States (NOT the ISO-3166 country number 840)"
    }
  }
}
    arguments 21 lines
  • document_to_markdown reads 0.01 USDC paid 23h ago

    Convert any document to Markdown with automatic format detection. One endpoint for pdf, docx, pptx, xlsx, csv, epub, html and plain text — provide a URL or base64 bytes and the type is detected from the file contents. Spreadsheets return both a Markdown table and a JSON array of rows.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/report.pdf",
      "description": "Direct URL to any supported document (pdf, docx, pptx, xlsx, csv, epub, html, text)"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded document bytes (alternative to url)"
    },
    "max_length": {
      "type": "integer",
      "example": 100000,
      "description": "Truncate output to N characters"
    }
  }
}
    arguments 21 lines
  • image_generate_quality 0.09 USDC paid 23h ago

    Generate a premium-quality image from a text prompt (10-30s, better prompt adherence and typography). Returns a permanent https URL to the hosted image on api.freeq.one/media/*.

    mcp-tool

    {
  "type": "object",
  "required": [
    "prompt"
  ],
  "properties": {
    "width": {
      "type": "integer",
      "example": 1024,
      "description": "Image width in px (256-1536, default 1024)"
    },
    "height": {
      "type": "integer",
      "example": 1024,
      "description": "Image height in px (256-1536, default 1024)"
    },
    "prompt": {
      "type": "string",
      "example": "a cyberpunk market at night, volumetric fog, 4k",
      "description": "Text description of the image to generate (max 1200 chars)"
    }
  }
}
    arguments 23 lines
  • seo_audit 0.02 USDC paid 32h ago

    Single-page SEO audit: 0-100 score, graded checks and prioritized fixes from the page's own HTML. Deterministic — no JS rendering, no rankings, no backlinks, no crawl.

    mcp-tool

    {
  "type": "object",
  "required": [
    "url"
  ],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://example.com/blog/post",
      "description": "The page to audit (http/https); also the identity used for the HTTPS check and internal/external link classification"
    },
    "html": {
      "type": "string",
      "maxLength": 10000000,
      "description": "Optional raw HTML to audit instead of fetching the URL; no network fetch happens when supplied"
    }
  }
}
    arguments 18 lines
  • web_archive_history 0.02 USDC paid 36h ago

    Wayback Machine homepage history for a domain: 0-100 longevity score and band, first/last captures, captures by year, and recent snapshots with archive links. Homepage only — no subpages or content diffs.

    mcp-tool

    {
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "example": "example.com",
      "description": "A bare domain name, or a URL whose host is used"
    },
    "include_www": {
      "type": "boolean",
      "example": true,
      "description": "Also count www.<domain> captures as the same homepage (default true)"
    }
  }
}
    arguments 18 lines
  • swap_create 0.005 USDC paid never probed

    Create a non-custodial swap order and get the deposit address: send exactly the expected amount there and the payout goes to your address. No funds move in this call.

    mcp-tool

    {
  "type": "object",
  "required": [
    "currency_from",
    "currency_to",
    "address_to",
    "amount"
  ],
  "properties": {
    "fixed": {
      "type": "boolean",
      "example": false,
      "description": "Fixed (locked-rate) order; requires rate_id from swap_estimate (default false = floating)"
    },
    "amount": {
      "type": "string",
      "example": "0.01",
      "description": "Amount of the source currency to swap (positive decimal)"
    },
    "rate_id": {
      "type": "string",
      "example": "rate1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c",
      "description": "Locked-rate id from a fixed swap_estimate; required when fixed is true"
    },
    "address_to": {
      "type": "string",
      "example": "0x0000000000000000000000000000000000000000",
      "description": "Destination wallet address; validated against the destination currency's own address format before any order is created"
    },
    "currency_to": {
      "type": "string",
      "example": "eth:eth",
      "description": "Destination currency as ticker:network (e.g. eth:eth)"
    },
    "currency_from": {
      "type": "string",
      "example": "btc:btc",
      "description": "Source currency as ticker:network (e.g. btc:btc)"
    }
  }
}
    arguments 41 lines
  • fda_drug_safety 0.002 USDC paid 32h ago

    FDA drug safety bundle for one drug: FAERS adverse-event report total, top reported reactions and serious share, enforcement recalls with class and reason, and label boxed warning, indications and contraindications. Reported facts only — no medical advice.

    mcp-tool

    {
  "type": "object",
  "required": [
    "drug"
  ],
  "properties": {
    "drug": {
      "type": "string",
      "example": "metformin",
      "description": "Drug name, brand or generic, e.g. metformin"
    },
    "max_recalls": {
      "type": "integer",
      "example": 5,
      "description": "Enforcement recalls to return, most recent first (default 5, 0-10)"
    },
    "top_reactions": {
      "type": "integer",
      "example": 10,
      "description": "Top reported reactions to return (default 10, 1-20)"
    }
  }
}
    arguments 23 lines
  • verify_batch reads 0.01 USDC paid 27h ago

    Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration.

    mcp-tool

    {
  "type": "object",
  "required": [
    "items"
  ],
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "proof": {
            "type": "object",
            "description": "Semaphore proof object"
          }
        }
      },
      "maxItems": 10,
      "description": "Array of up to 10 Semaphore proof objects to verify"
    }
  }
}
    arguments 22 lines
  • wallet_verify_siwe reads 0.01 USDC paid 20h ago

    Verify a Sign-In-With-Ethereum (EIP-4361) signature. Stateless oracle: checks the signature against the message and returns the wallet address + chainId. Never mints sessions or consumes nonces. Get a checksummed address first via wallet_checksum.

    mcp-tool

    {
  "type": "object",
  "required": [
    "message",
    "signature"
  ],
  "properties": {
    "message": {
      "type": "string",
      "description": "EIP-4361 SIWE message (line 2 must be a checksummed address)"
    },
    "signature": {
      "type": "string",
      "description": "0x-prefixed personal_sign signature over the exact message bytes"
    }
  }
}
    arguments 17 lines
  • qr_generator 0.01 USDC paid 34h ago

    Generate a QR code or barcode as an image (SVG or PNG). Returns a base64-encoded image (MCP content type image). Symbologies: qrcode/qr, code128, code39, ean13, ean8, upca, upce, isbn10, isbn13, issn, itf, gs1-128, databar.

    mcp-tool

    {
  "type": "object",
  "required": [
    "format",
    "data"
  ],
  "properties": {
    "data": {
      "type": "string",
      "example": "https://x402.freeq.one",
      "description": "Data to encode (URL or text for QR; numeric for EAN/UPC)"
    },
    "type": {
      "enum": [
        "svg",
        "png"
      ],
      "type": "string",
      "example": "svg",
      "description": "Output image format (default svg)"
    },
    "format": {
      "enum": [
        "qrcode",
        "code128",
        "code39",
        "ean13",
        "ean8",
        "upca",
        "upce",
        "isbn10",
        "isbn13",
        "issn",
        "itf",
        "gs1-128",
        "databar"
      ],
      "type": "string",
      "example": "qrcode",
      "description": "Barcode symbology; use qrcode (or qr) for QR codes"
    }
  }
}
    arguments 43 lines
  • xlsx_to_markdown 0.01 USDC paid 34h ago

    Convert an XLSX spreadsheet or CSV to Markdown table AND a JSON array of row objects in one call. Provide a direct URL or base64-encoded file bytes. All sheets are included; multi-sheet workbooks are flattened in sheet order.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "url": {
      "type": "string",
      "example": "https://x402.freeq.one/samples/data.xlsx",
      "description": "Direct URL to the XLSX or CSV file"
    },
    "file_b64": {
      "type": "string",
      "maxLength": 28000000,
      "description": "Base64-encoded XLSX/CSV bytes (alternative to url)"
    },
    "max_length": {
      "type": "integer",
      "example": 50000,
      "description": "Truncate the markdown output to N characters (JSON rows unaffected)"
    }
  }
}
    arguments 21 lines
  • token_price reads 0.01 USDC paid 27h ago

    Get the live USD price of any token by symbol (e.g. BTC, ETH, SOL, PEPE).

    mcp-tool

    {
  "type": "object",
  "required": [
    "symbol"
  ],
  "properties": {
    "symbol": {
      "type": "string",
      "example": "ETH",
      "description": "Token symbol, e.g. ETH"
    }
  }
}
    arguments 13 lines
  • changelog_openapi reads 0.01 USDC paid 4h ago

    Diff two OpenAPI specs and generate a structured breaking-change changelog (no LLM — deterministic diff). Provide base_spec_url and new_spec.

    mcp-tool

    {
  "type": "object",
  "required": [
    "new_spec"
  ],
  "properties": {
    "new_spec": {
      "type": "object",
      "example": {
        "info": {
          "title": "My API v2",
          "version": "2.0.0"
        },
        "paths": {},
        "openapi": "3.1.0"
      },
      "description": "New OpenAPI specification as a JSON object"
    },
    "base_spec_url": {
      "type": "string",
      "example": "https://petstore3.swagger.io/api/v3/openapi.json",
      "description": "URL of the base (old) OpenAPI spec"
    }
  }
}
    arguments 25 lines
  • sec_8k_events 0.005 USDC paid 48m ago

    SEC 8-K material events for a listed company by ticker or CIK: recent 8-K filings with item numbers, plain labels, categories and high-signal flags, plus counts and the latest event. Filed facts only — no investment advice.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "cik": {
      "type": "string",
      "example": "320193",
      "description": "SEC CIK number, e.g. 320193 for Apple (wins over ticker when both given)"
    },
    "ticker": {
      "type": "string",
      "example": "AAPL",
      "description": "Stock ticker, e.g. AAPL (at least one of ticker/cik required)"
    },
    "max_filings": {
      "type": "number",
      "example": 25,
      "description": "Maximum 8-K filings returned, default 25, cap 50"
    },
    "lookback_days": {
      "type": "number",
      "example": 365,
      "description": "Lookback window in days, default 365, cap 730"
    }
  }
}
    arguments 26 lines
  • sec_13f_holdings 0.005 USDC paid 8h ago

    Institutional 13F holdings for one manager by CIK or name: latest Form 13F-HR top holdings by value, portfolio total, position count, concentration score, and quarter-over-quarter changes. Filed facts only — no investment advice.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "cik": {
      "type": "string",
      "example": "1067983",
      "description": "Manager CIK, e.g. 1067983 (wins over manager when both given)"
    },
    "manager": {
      "type": "string",
      "example": "Berkshire Hathaway Inc",
      "description": "Manager name, e.g. Berkshire Hathaway Inc (at least one of cik/manager required)"
    },
    "top_holdings": {
      "type": "integer",
      "example": 10,
      "description": "Top holdings to return, by value (default 10, 1-25)"
    }
  }
}
    arguments 21 lines
  • swap_currencies open 27h ago

    Free (no payment required): supported swap currencies with networks, fixed/floating availability and address format: the full SimpleSwap catalog for building a swap.

    mcp-tool

    {
  "type": "object",
  "required": [],
  "properties": {
    "ticker": {
      "type": "string",
      "example": "eth",
      "description": "Optional ticker filter (e.g. eth)"
    },
    "network": {
      "type": "string",
      "example": "eth",
      "description": "Optional network filter (e.g. eth)"
    }
  }
}
    arguments 16 lines
  • giftcard_buy moves money unknown never probed

    Buy a digital gift card and receive the code instantly. The price is returned in the 402 Payment-Required challenge before you sign (face value + fee). Stock is fulfilled from pre-purchased inventory first; otherwise sourced on demand. Payment settles on Base via x402.

    mcp-tool

    {
  "type": "object",
  "required": [
    "product_id",
    "email"
  ],
  "properties": {
    "email": {
      "type": "string",
      "description": "Delivery email for the gift card code."
    },
    "value": {
      "type": "number",
      "description": "Face value in the product's currency (e.g. 25 for a $25 card). Optional if the product has a fixed denomination."
    },
    "product_id": {
      "type": "string",
      "description": "Gift card product id, e.g. foot-locker-usa. List available at /tools/giftcard/api/products."
    }
  }
}
    arguments 21 lines
  • swap_status unknown 2d ago

    Free status check (no payment required): track a swap order by id: status, amounts, deposit and payout transactions. Read-only — never moves funds. Upstream cost is $0, so the check is free.

    mcp-tool

    {
  "type": "object",
  "required": [
    "exchange_id"
  ],
  "properties": {
    "exchange_id": {
      "type": "string",
      "example": "a1b2c3d4e5f6a7b8",
      "description": "Exchange id returned by swap_create"
    }
  }
}
    arguments 13 lines
  • swap_estimate unknown 48m ago

    Free (no payment required): fixed or floating quote for one swap: amount you receive, locked rate id and expiry for fixed quotes. Quote only — no order is created.

    mcp-tool

    {
  "type": "object",
  "required": [
    "currency_from",
    "currency_to",
    "amount"
  ],
  "properties": {
    "fixed": {
      "type": "boolean",
      "example": false,
      "description": "Fixed (locked-rate) quote; returns a rate_id and expiry (default false = floating)"
    },
    "amount": {
      "type": "string",
      "example": "0.01",
      "description": "Amount of the source currency to swap (positive decimal)"
    },
    "currency_to": {
      "type": "string",
      "example": "eth:eth",
      "description": "Destination currency as ticker:network (e.g. eth:eth)"
    },
    "currency_from": {
      "type": "string",
      "example": "btc:btc",
      "description": "Source currency as ticker:network (e.g. btc:btc)"
    }
  }
}
    arguments 30 lines
_ try it through the hub, ceiling 0

This deployment has no calling key, so nothing can be run from here. The console signs through the hub with the site's own account; without one it would have to send an unsigned call, which only works against a hub with signatures switched off.

_ for your README measured, not declared

measured by brick.blue

[![measured by brick.blue](https://brick.blue/api/v1/agents/31130c3897e9e144/badge.svg)](https://brick.blue/agent/31130c3897e9e144?ref=badge)

In your A2A agent card: "measuredBy": "https://brick.blue/agent/31130c3897e9e144". In your MCP server's instructions: Measured by brick.blue: https://brick.blue/agent/31130c3897e9e144.

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. It says «verified owner», with this listing's uptime and paid calls.

_ how we know
card completeness
100%

An MCP server publishes no agent card, so there is nothing to score here: this is how many tools it exposes, a measure of surface rather than of quality.

spec deviations
0

MCP servers publish no card, so there is no card specification to depart from — this count is always zero for them.

_ record

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

proxied calls
total
0
ok
0
failed
0
success rate
—
median latency
—
work
attempts
43
accepted
9
rejected
2
acceptance rate
82%
settled without a human
9
earned
0.1258 USDC
disputes
raised against
0
upheld
0
rate
0%
reviews
paid reviews
0
positive
0
negative
0
score
—

0 proxied call(s) and 43 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.