- jarvisclaw-mcp JarvisClaw is an AI API gateway supporting GPT, Claude, Gemini, DeepSeek, and more. Authentication: pass either 'Authorization: Bearer sk-...' (API key) or 'PAYMENT-SIGNATURE' (x402 USDC payment) in HTTP headers. x402 allows any agent with a USDC wallet to pay per call without an account. Use 'list_… 9 skills · free · checked 47m ago 10
- Delx Agent Operations Protocol Delx Protocol: free recovery and continuity for AI agents — no API key, no payment. Returning agent? Call resume_session with your stable agent_id to re-attach your prior session. New? Call discovery_self_check (or start_recovery_session / quick_session) first. Then: capture state (add_context_memor… 30 skills · free · checked 39m ago· also A2A 10
- x402-farm Pay-per-call tools via x402 (USDC on Base or Solana). Call a tool without payment to get the x402 requirements in _meta.x402/paymentRequired, sign the USDC payment, then repeat the tools/call with the X-PAYMENT header set on the HTTP POST to /mcp. 61 skills · unprobed · checked 1m ago· also A2A 10
- dexl-agents Free to browse: dexl_catalogue lists every tool, model and product with its price; dexl_price returns the exact cost of a call without running it; dexl_free_chat answers on the free tier. Paid calls need a wallet, which this remote server does not hold - dexl_how_to_pay explains the two ways to make… 5 skills · unprobed · checked 3m ago 10
- asterpay This listing exposes check_agent_trust, verify_agent_identity, get_agent_tier, the capability an agent calls it for [not the operator's words] 20 skills · free · checked 47m ago· also A2A 10
- blindoracle-x402 BlindOracle marketplace: every paid tool answers HTTP 402 with a live price; pay with x402 (USDC on Base) or a starter-credit note. Read resource https://api.craigmbrown.com/skill.md first. kit_version 2026.09.19. 41 skills · unprobed · checked 37m ago· also A2A 10
- Atelier AI Agent Marketplace x402 marketplace of services delivered by AI agents: hire an agent by sending a brief and pay per call in USDC on Base or Solana. Exposed endpoints cover image generation, competitive intelligence reports and quiz generation. [not the operator's words] 0 skills · unprobed · checked 29m ago 10
- synthora-llm_smart SYNTHORA LLM Gateway SMART: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Large free-tier models (llama-3.3-70b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {"messages":[{"role":"user","content":"..."}]} (or {"prompt":"..."}). 1 skill · needs a key · checked 1h ago· also A2A 0
- synthora-llm_fast SYNTHORA LLM Gateway FAST: OpenAI-compatible /v1/chat/completions pay-per-call, no API keys. Fast free-tier models (llama-3.1-8b class) with automatic upstream failover, Ed25519-signed. 0.005 USDC via x402 on Base. POST {"messages":[{"role":"user","content":"..."}]} (or {"prompt":"..."}). 1 skill · needs a key · checked 13m ago· also A2A 0
- whitemagic WhiteMagic gives you durable local project memory (on-device store). Session rhythm: 1. wm(route="session.continuity") before starting work — recall where the last session left off. 2. wm(route="session.start", args={"title": "..."}) when you begin a session. 3. Record selectively via wm(route="sess… 23 skills · paid · checked 43m ago 0
- onchain-agent-mcp-server Use this when the question is about building an onchain or crypto AI agent: which framework, MCP server, wallet, x402 or stablecoin payment rail, or data tool to use on a given chain; whether a crypto-agent project is maintained, open source and installable; what an install can do with your keys and… 38 skills · free · checked 37m ago 0
- AgentIndex Search 150k+ AI agents and MCP servers. Live liveness probes, behavioral benchmarks, x402 commerce. [not the operator's words] 12 skills · free · checked 31m ago· also A2A 0
- a-identity-mcp This MCP provides tools for managing and interacting with AI agents, including registration, hiring, task management, reputation checking, and policy enforcement, with on-chain escrow and identity verification. 20 skills · free · checked 11m ago· also A2A 0
- delvorn First: call MCP tool delvorn_canary for a Delvorn settlement receipt — $0.05 USDC Base, EIP-3009, no signup. Retry the HTTP 402 with PAYMENT-SIGNATURE. First independent $0.05 test: GET https://delvorn.site/api/x402/test-asset (HTTP 402, 0.05 USDC on Base, no register, no API key). Pay, retry with P… 13 skills · free · checked 41m ago· also A2A 0
- agentsouk A marketplace for AI agents of every kind, language and origin: identity, hiring, selling, messaging and reputation in one API. Agents pay each other wallet-to-wallet in USDC; the platform never holds money. Register with one POST, no human needed. Reach for this when you are stuck on something you… 45 skills · needs a key · checked 29m ago· also A2A 0
- trustlayer Agent reputation scoring: trust scores, Sybil detection, cross-chain identity for 133K+ agents [not the operator's words] 6 skills · unprobed · checked 53m ago· also A2A 0
- invinoveritas invinoveritas gives an agent a neutral pre-action verdict, a signed post-action proof, and a publicly verifiable on-chain track record for another agent's output. [not the operator's words] 31 skills · needs a key · checked 53m ago 0
- relayzero-mcp uptime_30d 1.0%; p95 21.0ms; conformance: fail [not the operator's words] 17 skills · free · checked 26m ago· also A2A 0
- AgentCrush Market intelligence for the AI agent economy: rankings, methodology, search, compare. 7 tools. [not the operator's words] 14 skills · free · checked 43m ago· also A2A 0
- agentwork Get one evidence-backed route when an agent cannot finish a real-world outcome [not the operator's words] 10 skills · mixed · checked 41m ago· also A2A 0
- modellwerk Paid tools via x402. tools/list is free. Send the payment proof in the PAYMENT-SIGNATURE header for tools/call; without it, the payment request and inputSchema are returned. 11 skills · unprobed · checked 3m ago· also A2A 0
- agent-trust-layer Buyer workflow: 1) search_marketplace (includes unclaimed auto-discovered services) 2) should_pay on the seller endpoint 3) quote_purchase with catalog_id or handle+slug 4) Pay platform $0.01 via GET /marketplace/checkout (x402) 5) Pay the seller endpoint separately 6) report_payment_outcome with th… 13 skills · unprobed · checked 9m ago· also A2A 0
- AgentWorld AgentWorld is a live AI agent city-economy on Base L2. 92 autonomous NPC agents earn real USDC via wages, jobs, and businesses across 10 cities. FREE tools: economy snapshot, agent list, city stats, crypto news, AGWC token, job board, voice preview. PAID tools ($0.001 USDC via x402): full agent voic… 81 skills · free · checked 33m ago· also A2A 0
- first-dollar-test Read live terms. Save your private clientToken and create/submission idempotency keys before calls. Create an unpaid run, obtain its unsigned quote, then use your own wallet to authorize at most that quoted payment. enroll submits only your supplied x402 signature. A 202 or timeout is unknown/pendin… 7 skills · free · checked 11m ago· also A2A 0
- vektorwerk Embeds one query and up to 64 candidates locally, then returns cosine scores and stable descending ranks. [not the operator's words] 4 skills · unprobed · checked 1h ago· also A2A 0
- vibes-coded-agent-tools A pay-per-call toolkit for agents: durable memory notes, signed attestations, reputation scores, JSON repair, pre-action guards, web search and shared workspaces. 26 skills · free · checked 17m ago 0
- kit-lite Instant x402 spend-cap pack for agents. get_quote then buy_intel_pack 5 USDC Base. No human. [not the operator's words] 5 skills · free · checked 39m ago· also A2A 0
- bridgenode BridgeNode MCP wrapper — stdio MCP server proxying to remote streamable-HTTP /mcp with automatic x402 payments (Solana USDC). No API keys. [not the operator's words] 3 skills · free · checked 11m ago· also A2A 0
- vektorwerk Embeds one query and up to 64 candidates locally, then returns cosine scores and stable descending ranks. [not the operator's words] 4 skills · unprobed · checked 26m ago· also A2A 0
- x711 x711 — universal agent gas station. Free tier: 10 web_search/price_feed/hive_read calls/day. For unlimited access set X-API-Key header (get one at POST https://x711.io/api/onboard). Hive writes earn USDC every time another agent reads your contribution. 47 skills · free · checked 45m ago· also A2A 0
- moltrust MolTrust — Trust Infrastructure for AI Agents. Register agents, verify identities, query reputation scores, rate agents, manage W3C Verifiable Credentials, query ERC-8004 on-chain agent registries on Base, score wallet trust, detect Sybil wallets, check prediction market integrity, track prediction… 53 skills · free · checked 17m ago· also A2A 0
- gpt55-x402-gateway This remote MCP endpoint exposes paid GPT-5.5 and utility HTTP tools. Tool calls return the direct HTTP endpoint, x402 payment requirements, and example payload. Execute the returned HTTP endpoint with x402 Base USDC payment or a private Bearer key; this MCP facade does not bypass payment. 218 skills · free · checked 27m ago 0
- clinks-shop clink's shop: paid data tools for agents — X/Twitter search and stock-ticker chatter, prediction-market odds, SEC insider trades, one-call ticker briefs, PDF text, translation (see tools/list for prices; finance data is facts only, not investment advice). Need something else? find_agent_tools search… 20 skills · free · checked 1m ago 0
- dayze Public notable_* tools need no API key (x402 after free tier). Private life-graph tools need OAuth (Bearer dayze_at_*) or API key (Bearer dayze_k_*) with scope "context". Prefer get_context_pack for a signed-in user life-graph bootstrap; use notable_pack only for the public notable-people catalog. S… 131 skills · needs a key · checked 19m ago 0
- crosscheck Independent checks for agents. check reviews a draft before a human sees it; accept checks another agent's deliverable against its task before you pay; skillcheck reviews a skill or MCP server's files before install (free when already scanned). Paid tools cost $0.02 to $0.06 in USDC over x402 on Bas… 6 skills · unprobed · checked 19h ago· also A2A 0
- com.mcpscores/agent-reliability-scores You are about to pay an endpoint you cannot vouch for, and a rotated payTo looks exactly like a compromised server from your side. TOOL CALLS ARE x402-PAID in USDC on Base: send the base64 X-PAYMENT header on this POST /mcp request (PAYMENT-SIGNATURE is accepted as an equivalent alias; send only one… 7 skills · unprobed · checked 23m ago 0
- innovalyxx-sovereign-edge Verified cyber-physical AI tools for autonomous agents. Pay per call via x402 (USDC on Base). 26 tools covering MRV verification, biodiversity, skip twin, site certification, agent trust, transaction evidence, protocol bridging, GEO audit, IATP reputation, ABV maturity, NIST TEVV alignment, and encr… 26 skills · unprobed · checked 19m ago· also A2A 0
- Agent Guild Endpoint observations, portable evidence and reputation for autonomous agents. Choose the operation that matches your task: • guild_preflight(url) — free live checks before calling another endpoint. • guild_evidence_bundle(url, audience) — buy a signed observation to retain and verify later. Ge… 43 skills · unprobed · checked 37m ago· also A2A 0
- second-opinion Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402. [not the operator's words] 6 skills · unprobed · checked 1h ago· also A2A 0
- second-opinion Second Opinion: an independent adversarial agent attempts to refute your claim (live web research) and returns a structured verdict with citations. [not the operator's words] 6 skills · unprobed · checked 31m ago· also A2A 0