Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.
| Endpoint | https://groundcheck.seiche.info/mcp (streamable-http) |
|---|---|
| Registry version | 0.7.2 |
| Now | 5 tools · grade D (55) · pin ts_b40decc66daa592b85619bda4f638c74 · protocol 2025-06-18 |
| First / last listed | 2026-11-12 01:15 UTC / 2026-11-12 01:15 UTC |
| Grade over time | 2026-11-12: D (55), 5 tools |
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Tools: verify_claim check_citations resolve_instrument extract_claims attest_delivery
verify_claim | PURPOSE: Fact-check one claim against live retrieved sources and return a result you can GATE A DECISION ON, not just read. Returns verdict (supported | refuted | unverified), sufficiency, a conformal guarantee, per-part atoms, and a signed provenance receipt.
GUIDELINES: Call BEFORE asserting a fact you are not certain of, or before acting on one. Branch on the fields: (1) sufficiency — 'sufficie params: claim*, max_sources |
check_citations | PURPOSE: Fact-check EVERY factual claim in a block of text and return a per-claim report — the batch form of verify_claim, for AI-generated drafts or documents before you publish or act on them.
GUIDELINES: Call on any multi-claim text you are about to rely on. Each reported claim carries the same actionable fields as verify_claim (verdict, sufficiency — abstain/escalate on anything but 'sufficien params: text*, max_claims |
resolve_instrument | PURPOSE: Resolve a security identifier (ticker, ISIN, CUSIP, SEDOL, FIGI) or an instrument name to canonical FIGI records via Bloomberg open symbology (OpenFIGI), WITH provenance and a signed receipt. Returns {matched, instruments: [...], provenance}.
GUIDELINES: Call BEFORE acting on any claim, order, or document that names a security, so you know exactly WHICH instrument it refers to (disambigua params: query*, id_type, max_results |
extract_claims | PURPOSE: Split text into independently checkable ATOMIC factual claims — the cheap first step of a verification loop (extract -> ground -> attest). Returns {claims: [...], count, input_sha256} plus a signed receipt bound to the input hash.
GUIDELINES: Call when you want to see WHICH claims a document makes before paying to ground them, to budget a verification pass (extract everything, then verify params: text*, max_claims |
attest_delivery | PURPOSE: Neutral delivery verification for agentic commerce. You (or your principal) paid some OTHER service over x402 and got a response; this tool verifies what was delivered and returns a SIGNED, offline-verifiable delivery receipt binding payment -> delivery -> content: the settlement receipt (by hash + decoded tx fields), the exact response bytes (sha256), structural conformance to the schema params: service*, response_text*, request_text, payment_receipt, advertised_schema, max_claims |
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