INDIVIDUAL MCP TOOL

corpus.search

Free lexical search (BM25-lite) across all 199 EAS-attested files: 20 USGS critical-mineral commodity benchmarks + 179 US/MX mining district records.

assaychain.comnone authenticationAvailability not checked

Input schema

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.assaychain-com]
url = "https://assaychain.com/api/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "assaychain-com": {
      "type": "http",
      "url": "https://assaychain.com/api/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: assaychain-com
Remote MCP URL: https://assaychain.com/api/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "assaychain-com": {
      "url": "https://assaychain.com/api/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "assaychain-com": {
      "type": "http",
      "url": "https://assaychain.com/api/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "assaychain-com",
  "transport": "streamable-http",
  "url": "https://assaychain.com/api/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

sales.ask — Ask anything about this API: commodities covered, how on-chain provenance works, pricing tiers, x402 payment flow, MCP integration, or the Extract API.
benchmark.commodity — 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.
benchmark.sample — Free sample of the benchmark data shape for any supported commodity.
benchmark.runs — Discovery preview for attested mineral-processing field run logs.
extract.estimate — Free probe + price quote for paid structured-data extraction from a public document URL (pdf_digital, pdf_scanned, image, csv, txt).
extract.run — Returns invocation guidance for executing a paid extraction job after extract.estimate.
extract.result — Fetch the structured extraction result for a previously paid job.
district.history — Free preview of a US or Mexico mining district record (MRDS-sourced).