MCP server for finding paid x402 APIs: 7,400 listings, 1,877 verified with real USDC test calls
SashSail · reddit · 2026-10-07
A new MCP server lets agents discover paid x402 APIs from a registry of 7,400 listings. Its differentiator is verification: every endpoint is probed for free (live x402 endpoints answer unpaid requests with a 402), and the team actually buys from endpoints with real USDC on Base—a listing counts as paid-verified only if the paid call returned an accepted response. 1,877 listings have passed so far, and failed buys are shown too.
Four tools are exposed: findpaidservice (search by query, category, max price, min score), getservicedetails (probe history, paid-call outcomes, failure reasons), resolveendpoint (look up a specific URL), and whatagentsareaskingfor (what agents searched for but couldn't find).
Free, no key required, CC-BY data, available via Streamable HTTP at https://api.nohumans.directory/mcp
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