All servers · Agent payments (x402) · Markets & trading · Research & knowledge
Claim Grounding
io.github.truepointmarketingpartners-dotcom/claim-grounding · v1.4.7
Tools changed (7 days)
Measured by MCP Station
| Last check | Reachable |
|---|---|
| Checked at | — |
| Check success 7 / 30 days | — |
| First-try success 30 days | — |
| Median response | — |
| Lookups 30 days | — |
| Authentication | No auth |
| MCP version | 2025-06-18 |
| Rank score | — |
| Declared risk | Read-only (all tools declare readOnlyHint) |
| Capabilities declared | logging, prompts, resources, tools |
| Tool definitions | 4 tools · with description 100% · input schema is an object 100% · read/destructive hints 100% |
Description written by the publisher, not verified
Fact-check AI answers with cited sources. Pay per call in USDC on Base via x402.
Connect
streamable-http · https://claim-grounding.prospectintel.workers.dev/mcp
claude mcp add --transport http claim-grounding https://claim-grounding.prospectintel.workers.dev/mcp{
"mcpServers": {
"claim-grounding": {
"url": "https://claim-grounding.prospectintel.workers.dev/mcp"
}
}
}Tools as reported by the server
extract_claimsSplit a text (for example an AI-generated answer) into atomic factual claims. Each claim includes span, grounding_required, claim_type (number|date|quantity|quote|named_entity_fact|comparison|opinion|prediction|other), check_worthiness (high|medium|low), and the source sentence. Hedges are stripped,verify_claimCheck one factual claim against public Wikipedia sources and return a verdict (supported, contradicted, outdated, mixed or insufficient_evidence), a confidence score, a short reason, the supporting quote and the source URL. Says insufficient_evidence instead of guessing. Price: $1.00 USDC on Base pecheck_answerFact-check a whole answer: extracts every checkable claim and verifies each against Wikipedia, plus Wikidata structured facts for dates, numbers, quantities, ordinals and records. Returns per-claim verdict, confidence, quote, source URL, sentence span and suggested_correction (quoted only from citeddeep_verifyUse when a claim is high-stakes, or when check_answer or extract_claims marks it unsure (their next_step gives the exact request). Verifies up to three claims against Wikipedia, Wikidata, Google News, Europe PMC, FRED and SEC EDGAR; returns verdict, confidence, evidence for and against with URLs, an
Tool changes
- 2026-10-21: extract_claims, verify_claim, check_answer, deep_verify
- 2026-10-16: extract_claims, verify_claim, check_answer, deep_verify
Repository · Website · JSON · Text for agents · Registry updated 2026-10-15