{"schema_version":1,"snapshot_id":"bfb936f5ceae4a7427f93961201723779c3021545a3c4222395e8678314c3e55","generated_at":"2026-10-17T21:51:24.907033+00:00","notice":"Potential GTM matches from directory metadata and model triage. Discovered does not mean vendor-verified or tested. Pending records remain under review; pricing and install details require primary sources.","canonical_url":"https://gtmmcps.com/discoveries/20d96e4c5ddf538b39b1","record":{"id":"20d96e4c5ddf538b39b1","name":"io.github.AsaiShota/mcp-server","aliases":["io.github.AsaiShota/mcp-server","x402-market"],"description":"**Pay-per-call API marketplace on Base (USDC).**\n\nx402-market lets AI agents discover and invoke any listed API end-to-end with one tool call. The MCP server handles HTTP 402 payment challenges automatically using your wallet, so Claude (or any MCP client) pays for API calls on its own.\n\n## How it works\n\n1. `list_catalog` — discover available paid APIs in the marketplace\n2. `get_listing` — inspect endpoint schema, pricing, and usage notes\n3. `pay_and_call` — invoke the API end-to-end; pays the seller via x402 / USDC on Base if a 402 challenge is returned\n4. `claim_refund` — auto-judge refund f","repository_url":"https://github.com/AsaiShota/x402-market","sources":[{"source_id":"official-registry","url":"https://registry.modelcontextprotocol.io/v0.1/servers","observed_at":"2026-10-17T19:47:47.767562+00:00"},{"source_id":"smithery","url":"https://api.smithery.ai/servers","observed_at":"2026-10-17T21:40:22.481400+00:00","source_record_id":"a437643f-91c4-4e04-b656-fac4c7108749","source_record_name":"lien-studio-akiyama/x402-market"}],"relevance_signals":["payment"],"classification":{"label":"pending","method":"not-yet-classified"},"catalog_ids":[],"verification_status":"discovered","vendor_ownership":"not-verified","execution_tested":false,"pricing_status":"not-verified","documentation_status":"not-verified"}}