{"name":"claim-grounding","title":"Claim Grounding","version":"1.4.4","description":"Fact-check AI answers. Extract claims and verify them against cited public sources (Wikipedia, Wikidata, Google News, Europe PMC, FRED, SEC EDGAR via Deep verify). Says \"not enough evidence\" instead of guessing. Pay per call in USDC on Base via x402. No API key.","websiteUrl":"https://claim-grounding.prospectintel.workers.dev/docs","icons":[{"src":"https://claim-grounding.prospectintel.workers.dev/icon.svg","mimeType":"image/svg+xml","sizes":["any"]}],"protocol":"mcp","transport":"streamable-http (POST JSON-RPC to this URL)","protocolVersions":["2025-11-25","2025-06-18","2025-03-26","2024-11-05"],"serverCard":"https://claim-grounding.prospectintel.workers.dev/.well-known/mcp/server-card.json","note":"Tool calls return x402 payment instructions; the paid HTTP route runs the work."}