ProofFetch — Cited Web Evidence

Connect Remote server

claude mcp add --transport http proof-fetch https://prooffetch.steellantern.com/mcp

{
  "mcpServers": {
    "proof-fetch": {
      "url": "https://prooffetch.steellantern.com/mcp"
    }
  }
}

{
  "servers": {
    "proof-fetch": {
      "type": "http",
      "url": "https://prooffetch.steellantern.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://prooffetch.steellantern.com/mcp

Tools 3 found in our last check

• proof_fetch_preflight

  Free: checks a public URL and returns fetchability, provenance, hashes, deterministic injection indicators and a free preview of the first 1,000 or so characters of text (short pages come back whole); not a safety guarantee. No payment or purchase. Example: {"url":"https://examp…

• proof_fetch_offer

  Returns the offer and request schema without buying. Full cited text: 1,000 free extractions with a free key (no card), then $0.01 a page either way: a 500-page card pack for $5, or $0.50 per Stripe MPP call, which returns the page plus an API key holding 49 more. Cited text use…

• proof_fetch_evidence

  Fetch a public URL and return its cited, paragraph-addressable text with integrity hashes and a receipt. Uses one credit from a ProofFetch key, and only when extraction succeeds. Needs the key sent as the MCP request header Authorization: Bearer <key>: a free key holds 1,000 ext…

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