io.github.quietforgestudio/x402-tools

up checked 2026-11-11T13:38:04.640Z

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Publisher-provided title

Quietforge x402 Tools

Publisher-provided description

Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.

Summary by lookupd

Probes and searches x402 pay-per-call APIs, checks their pricing and health, and reports on-chain x402 payment demand.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http x402-tools https://qf-api.quietforge-studio.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add x402-tools --url https://qf-api.quietforge-studio.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "x402-tools": {
      "url": "https://qf-api.quietforge-studio.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (7 tools)

Publisher-provided text

• x402_search Use this to find a pay-per-call x402 API for a given task, network or price cap before calling it (mostly USDC on Base; check each row's network and asset, some
• x402_service Use this to check whether one endpoint from x402_search is reliable enough to pay: its record plus its last 20 health probes (status code, latency, alive) and u
• x402_index_stats Use this to see how much this index covers (it is a subset of the x402 market, not all of it) and to sanity-check x402_search coverage before relying on it. Sum
• x402_demand Use this to answer "is anyone actually paying for x402 APIs today" with settled on-chain numbers instead of listings. Market-level demand signal for the x402 ec
• x402_probe Use this to check a URL you are about to pay (or one you operate) for a well-formed x402 challenge before sending funds; a challenge is no guarantee the service
• sudoku_puzzle Use this when a user wants a sudoku to play or print, or an app needs a verified puzzle at a named difficulty. Generates ONE sudoku puzzle with a unique solutio
• quietforge_pricing Price-check Quietforge's paid x402 HTTP routes before paying (free read-only list, not tools here): convert docx, xlsx, pptx, csv to pdf; PDF text; URL/HTML to

Details

• Version: 1.3.0
• Transports: streamable-http
• Uptime (7 days): 88%
• Median latency: 707 ms
• First indexed: 2026-11-01T09:50:33.037Z
• Last seen in registry: 2026-11-01T09:50:33.252Z
• Repository: https://github.com/quietforgestudio/qf-mcp-server
• Website: https://quietforge-studio.pages.dev/docs-api/

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