{"service":"Claim Grounding","version":"1.4.8","note":"Agent-runtime grounding API. Sources: Wikipedia, Wikidata, Google News, Europe PMC (PubMed), FRED and SEC EDGAR (verify_claim uses Wikipedia; check_answer uses Wikipedia and Wikidata, plus Google News titles for recent or current claims; deep_verify uses all six). We store nothing beyond the call (public-source answers are cached for up to 6 hours to answer repeats faster; checks that use your own sources are never cached). Public remote MCP server (Streamable HTTP) at ${BASE_URL}/mcp: tools/list and tools/call return x402 payment instructions, and the paid HTTP routes run the work. Accuracy results: ${BASE_URL}/accuracy."}