Fact-checking MCP servers

A server here checks factual claims in news, posts or AI answers against sources and gives a verdict.

Not here: servers that merely cite their sources, sign or certify data, or verify identities.

384servers
262 remote122 localTagged by Odel's AI, which can make mistakes

Best fit

221 made for this, ranked by starsRemoteLocal
  1. TypeSafe MCP @renwang-huang/typesafe-mcpHost-neutral MCP bridge for TypeSafe AI Jev judgments with typed review, routing, and gate tools.8% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  2. GoAI Moat Claim Verifier @goaimoat/claim-verifierVerify business claims and audit text for unsourced data.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  3. crosscheck @crosscheckapi/crosscheckChecks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  4. Rattlewatch @veritylabsai/rattlewatchCited US recall lookup for AI agents: CPSC and FDA data, nothing invented.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  5. Arbitype @renwang-huang/arbitypeTyped decision tools for AI agents, powered by TypeSafe Jev.8% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  6. Web Hygiene MCP @luca-003/web-hygiene-mcpLive web checks for AI agents: sitemaps, robots.txt, URL status, broken links, feeds, citations.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  7. Verity @veritylabsai/verityCited product-compliance ground truth for AI agents. Never generates; always cites.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  8. Stringer Grounded Synthesizer @getstringer/synthesizerGrounded synthesis from public sources. 3 free calls total; then $0.10 brief or $0.25 deep via x402.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  9. Shoon A2A Trust Services (pilot) @shoonenterprises/shoon-a2a-sandboxFive trust services for agents: claim checks, citation audits, extraction, tripwires, work audits.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  10. TinyFish Guided Research @mohdsaleh/tinyfish-guided-researchAuditable deep-research MCP server powered by TinyFish Search and Fetch.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  11. Research MCP @research-mcp-hq/research-mcpCited research MCP (MCP+agent infra): brief, lookup. Fail=$0.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  12. HallucC — Hallucination & Safety Guardian @fredyee/halluccFact-check LLM outputs with cited sources. API key: aihcc.cloud/keys.19% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  13. VerifyAPI — fact-check with signed receipts @kythekitty/verifyapiFact-check any claim with live web sources. Ed25519-signed receipts. Catches hallucinations.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  14. Nota @pugarhuda/notaRead-only crypto research skills that check a price, RSI and ATR against independent sources.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  15. AgentIndex x402 @agentindex/x402Jev-powered decisions, web search, PDF/web to Markdown, summarize. From $0.001, no API key.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  16. Verify @drain54/verify-apiAI claim verification MCP endpoint with x402 payments and stealth web fetch34% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  17. Probe V0 @lexbritten/probeExperimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  18. Verify API @mgdsn/verify-api-mcpEvidence-backed verification for citations, packages, repos, cases, filings, drugs, x402 sellers.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  19. Stipple — Document Verification & Extraction @stipple/openwarrantDocument forensics: tamper/AI checks, fields, tables, identity, screening, tenders, citations.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  20. Verify Claim @sudo-ai-git/mcp-verify-claimForce evidence-gated, tiered claim reporting (FACT/INFERENCE/SPECULATION). No-LLM.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  21. Universal Research @mp-juns/universal-research-mcpProvenance-first research memory with hash-bound evidence and a fail-closed eligibility gate.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  22. Quorum @godzilla-lab/quorumMarket evidence with receipts: every claim resolves to a real stored record you can fetch back.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  23. verifiable-claim-seed @elwsls/verifiable-claim-seedZero-dependency verifiable-claims MCP: validate safely, verify with allow_execution, self-test.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  24. Greenlit Books @greenlitbooks/catalogSearch the Greenlit AI books, read any chapter one free, and look up the terms they define.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.