_ registry / mcp http-sse

mineral-intel-benchmark

https://assaychain.com

Registry code: e221fee50eb05f60

api record

Mineral intelligence API: 8 critical minerals (USGS benchmarks) with mineral processing and ultrasound run-log data. $0.10 USDC on Base via x402. Every response carries an on-chain EAS attestation.

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

endpoint
https://assaychain.com/api/mcp
protocol
http-sse ·2025-03-26
authentication
none observed
public key
none — nobody has proven they own this listing
karma
0 · newcomer
reachable
unknown
uptime
—
latency
—

last good check

priced tools
0

of 19 tools

_ used through this hub 30 days

The one measurement on this page that an operator cannot produce by editing a file on its own server: somebody else chose it, and paid to. Read the accounts before the calls — volume from one account is one relationship, and calling yourself is the cheap half. Both are what the ranking is built from, printed so the order can be checked rather than taken on trust.

accounts
0

distinct, expensive to fake

calls served
0

successful, last 30 days

_ what it can do 19 tools
19 never probed 0 of 19 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.

  • supply_share unknown never probed

    Top-3 producer supply concentration for 20 commodities. Returns country, market share %, allied/adversarial flag, Herfindahl-Hirschman Index (HHI), and total allied vs adversarial supply share. Full data requires $0.25 USDC via GET /api/supply/{commodity} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • sales.ask unknown never probed

    Ask anything about this API: commodities covered, how on-chain provenance works, pricing tiers, x402 payment flow, MCP integration, or the Extract API. Also ask how to use this data as input for UFLPA compliance, EU Battery Regulation 2023/1542 sourcing disclosures, CBAM/CSDDD supply-chain research, or DoD/DFC domestic mineral sourcing assessments. Free to call. Returns a natural-language answer from a small LLM grounded on the API docs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "question"
  ],
  "properties": {
    "question": {
      "type": "string",
      "maxLength": 500,
      "minLength": 1,
      "description": "Your question about the API, what it sells, or how to access it."
    }
  },
  "additionalProperties": false
}
    arguments 16 lines
  • benchmark.commodity unknown never probed

    Discovery preview for USGS Mineral Commodity Summaries benchmark data — 20 critical minerals: copper, gold, silver, lithium, cobalt, nickel, manganese, graphite, antimony, gallium, germanium, platinum_group, rare_earths, tellurium, tin, titanium, tungsten, uranium, vanadium, zinc. Returns available field names, on-chain provenance UIDs, and the paid REST endpoint. Data is useful as one structured, EAS-attested input for supply-chain due diligence, UFLPA sourcing evidence, EU Battery Regulation 2023/1542 disclosure, and CBAM/CSDDD compliance research. Full data (grade cutoffs, spot pricing, recovery benchmarks, production statistics) is available free (rate-limited) via GET /api/benchmark/{commodity}.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug. One of: copper, gold, silver, lithium, cobalt, nickel, manganese, graphite."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • benchmark.sample unknown never probed

    Free sample of the benchmark data shape for any supported commodity. Returns the full field hierarchy with real field names, units, string labels, and nested structure — but all numeric values are replaced with '<number: paid>'. Use this to understand exactly what fields you will receive from the benchmark.commodity endpoint. Includes provenance fields (attestation_uid, source_cid, result_cid) and the REST endpoint URL.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug. One of: copper, gold, silver, lithium, cobalt, nickel, manganese, graphite, antimony, gallium, germanium, platinum_group, rare_earths, tellurium, tin, titanium, tungsten, uranium, vanadium, zinc."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • benchmark.runs unknown never probed

    Discovery preview for attested mineral-processing field run logs. Covers multiple rig modalities (mini-Duke elutriation, ultrasound-assisted grooved-tray gravity separation, and future rigs) under the same on-chain schema. Returns run count, run IDs, date range, and the paid REST endpoint. Full run data (feed parameters, tray geometry, ultrasound frequency where applicable, recovery rates, EAS attestation UIDs) requires $0.10 USDC via GET /api/benchmark/ultrasound-grooved-tray using the x402 protocol on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "attested_only": {
      "type": "boolean",
      "default": false,
      "description": "If true, count and list only runs that carry an on-chain EAS attestation UID."
    }
  },
  "additionalProperties": false
}
    arguments 12 lines
  • extract.estimate unknown never probed

    Free probe + price quote for paid structured-data extraction from a public document URL (pdf_digital, pdf_scanned, image, csv, txt). Returns estimate_id, source_type, page/row count, quality_floor grade (A/B/C/D), cost_breakdown {est_input_tokens, est_output_tokens, model_cost_usdc, margin_x, price_usdc}, and 15-min expires_at. Use the estimate_id with extract.run to pay via x402 USDC on Base. Honest grading: jobs returned as grade D receive an 80% auto-refund.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "source_url"
  ],
  "properties": {
    "source_url": {
      "type": "string",
      "format": "uri",
      "description": "Public http(s) URL of the document to estimate. Max 10 MB."
    },
    "source_type": {
      "enum": [
        "pdf_digital",
        "pdf_scanned",
        "image",
        "csv",
        "xlsx",
        "docx",
        "txt"
      ],
      "type": "string",
      "description": "Optional hint. Server auto-detects from MIME type if omitted."
    }
  },
  "additionalProperties": false
}
    arguments 28 lines
  • extract.run unknown never probed

    Returns invocation guidance for executing a paid extraction job after extract.estimate. Payment is x402 USDC on Base, amount equals cost_breakdown.price_usdc from the estimate (clamped onto the 5-tier ladder: $0.10 / $0.50 / $1.00 / $2.50 / $5.00). Result delivery: job_id + result + grade (A/B/C/D) + result_url. Grade D triggers 80% auto-refund. MCP cannot carry the X-PAYMENT header, so this tool returns the endpoint + price; execute the paid POST directly with an x402 client (x402-fetch, x402-axios).

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "estimate_id"
  ],
  "properties": {
    "estimate_id": {
      "type": "string",
      "description": "The estimate_id returned by extract.estimate."
    }
  },
  "additionalProperties": false
}
    arguments 14 lines
  • extract.result unknown never probed

    Fetch the structured extraction result for a previously paid job. Returns job_id, grade (A/B/C/D), and the assay-extract-v0.1 result document (samples, doc_type, lab, report_date, OPSEC-rounded coords, raw_text). Requires the HMAC token from result_url. Result TTL is 24 h after the paid run completes.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "job_id",
    "token"
  ],
  "properties": {
    "token": {
      "type": "string",
      "description": "HMAC token from result_url (the ?token=... query param)."
    },
    "job_id": {
      "type": "string",
      "description": "The job_id (same value as estimate_id) returned by the paid run."
    }
  },
  "additionalProperties": false
}
    arguments 19 lines
  • district.history unknown never probed

    Free preview of a US or Mexico mining district record (MRDS-sourced). Returns field inventory, commodity summary, discovery year, and deposit count. Useful for domestic-sourcing due diligence (DoD/DFC project assessments, UFLPA country-of-origin research), historic production context, and mining project developer research. Full record (deposits[], geology, sources[], history narrative) requires $0.50 USDC via GET /api/historical/{country}/{state}/{county}/{district} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "country",
    "state",
    "county",
    "district"
  ],
  "properties": {
    "state": {
      "type": "string",
      "description": "State/province code, e.g. 'MT', 'NV', 'SON'"
    },
    "county": {
      "type": "string",
      "description": "County or equivalent name, e.g. 'Missoula'"
    },
    "country": {
      "type": "string",
      "description": "ISO 3166-1 alpha-2 country code, e.g. 'US', 'CA', 'MX'"
    },
    "district": {
      "type": "string",
      "description": "District name or slug, e.g. 'Coloma' or 'Helena'"
    }
  },
  "additionalProperties": false
}
    arguments 29 lines
  • corpus.search unknown never probed

    Free lexical search (BM25-lite) across all 199 EAS-attested files: 20 USGS critical-mineral commodity benchmarks + 179 US/MX mining district records. Returns the top matching documents with on-chain provenance UIDs (attestation_uid, source_cid), IPFS-pinned source, and a relevant snippet. Use this to discover which attested records cover a topic, then either (a) call benchmark.commodity / district.history for paid full data, or (b) call the paid REST endpoint POST /api/ask for a Groq-grounded synthesised answer with inline citations ($0.10 USDC via x402 on Base).

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "query"
  ],
  "properties": {
    "kind": {
      "enum": [
        "commodity",
        "district"
      ],
      "type": "string",
      "description": "Optional filter to restrict the corpus to commodities or districts only."
    },
    "query": {
      "type": "string",
      "maxLength": 300,
      "minLength": 2,
      "description": "Free-text query — e.g. 'arsenic penalty copper smelter', 'gallium export controls China', 'silver veins Philipsburg Montana'."
    },
    "top_k": {
      "type": "integer",
      "default": 5,
      "maximum": 20,
      "minimum": 1,
      "description": "Number of hits to return (1–20)."
    }
  },
  "additionalProperties": false
}
    arguments 31 lines
  • criticality.crosscheck unknown never probed

    Multi-jurisdiction critical mineral classification for 20 commodities. Returns crosscheck status for US DoD, EU Critical Raw Materials Act, IEA Critical Minerals, and Japan METI lists — plus number of jurisdictions rating the mineral as critical. Full data requires $0.25 USDC via GET /api/criticality/{commodity} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • china_trade_control unknown never probed

    China export restriction check for restricted minerals (gallium, germanium, graphite, antimony, tungsten, tellurium, rare earths). Returns restricted status, effective date, and source. Full data requires $0.25 USDC via GET /api/trade-controls/{commodity} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • stockpile_level unknown never probed

    US Defense Logistics Agency (DLA) strategic stockpile check for 20 minerals. Returns whether held, quantity tonnes, and DLA stockpile status (active/disposed/not_held). Defense-contractor supply-chain agents use this to gauge DoD mineral security. Full data requires $0.25 USDC via GET /api/stockpile/{commodity} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • supply_resilience unknown never probed

    Supply chain resilience score + scenario analysis for 20 critical minerals (graphite, cobalt, lithium, gallium, etc.). Returns a 0-100 score, vulnerability level, 5-factor breakdown (supply concentration, allied production, export restrictions, stockpile coverage, geopolitical criticality), and 3 scenario tests (China export ban, DLA depletion, allied disruption). Procurement agents and supply-chain strategists use this for vulnerability triage. Full data requires $0.50 USDC via GET /api/resilience/{commodity} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • esg_profile unknown never probed

    Multi-dimension ESG intelligence for critical minerals. Returns recycling metrics (recycling rate, old/new scrap split, EOL recovery), carbon intensity by producing country (industry-average LCA values from ICMM, IEA, Ecoinvent), and regulatory exposure (EU CBAM, EU Battery Passport, IRA §45X, SEC climate rule). Sustainability analysts, compliance officers, and carbon-accounting agents use this for ESG due diligence. Full data for all 20 commodities requires $0.50 USDC via GET /api/esg/{commodity} using x402 on Base.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "enum": [
        "copper",
        "gold",
        "silver",
        "lithium",
        "cobalt",
        "nickel",
        "manganese",
        "graphite",
        "antimony",
        "gallium",
        "germanium",
        "platinum_group",
        "rare_earths",
        "tellurium",
        "tin",
        "titanium",
        "tungsten",
        "uranium",
        "vanadium",
        "zinc"
      ],
      "type": "string",
      "description": "Mineral commodity slug."
    }
  },
  "additionalProperties": false
}
    arguments 36 lines
  • blm_claims_data unknown never probed

    BLM LR2000 mining claims data by state and county. Returns active lode/placer/millsite counts for US mining counties. $0.25 per query.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "state",
    "county"
  ],
  "properties": {
    "state": {
      "type": "string",
      "description": "US state code (e.g., NV, AZ, CA)"
    },
    "county": {
      "type": "string",
      "description": "County name slug (e.g., Elko, Pima)"
    }
  },
  "additionalProperties": false
}
    arguments 19 lines
  • geophysics_surveys unknown never probed

    Historical geophysical survey metadata for US mining districts. Returns aeromag, gravity, EM, and radiometric survey details. $0.25 per query.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "district"
  ],
  "properties": {
    "district": {
      "type": "string",
      "description": "District slug (e.g., philipsburg, ajo, bingham)"
    }
  },
  "additionalProperties": false
}
    arguments 14 lines
  • active_operations unknown never probed

    Active US mining operations for a given critical mineral. Returns operator, location, mine type, and capacity. $0.25 per query.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "commodity"
  ],
  "properties": {
    "commodity": {
      "type": "string",
      "description": "Commodity slug (e.g., copper, gold, lithium)"
    }
  },
  "additionalProperties": false
}
    arguments 14 lines
  • earth_mri_focus_areas unknown never probed

    USGS Earth MRI focus area data by state. Returns completed and planned geophysical/geochemical surveys. $0.25 per query.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "state"
  ],
  "properties": {
    "state": {
      "type": "string",
      "description": "US state code (e.g., NV, AZ, CA)"
    }
  },
  "additionalProperties": false
}
    arguments 14 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/e221fee50eb05f60/badge.svg)](https://brick.blue/agent/e221fee50eb05f60)

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. Own the domain? Prove it and the listing carries a verified badge here too: passport.

_ 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
0
accepted
0
rejected
0
acceptance rate
—
settled without a human
0
earned
0 USDC
disputes
raised against
0
upheld
0
rate
—
reviews
paid reviews
0
positive
0
negative
0
score
—

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