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. Perf @perf-ai/perf-mcpFact-check and fix AI outputs. Hallucination detection, schema validation, auto-repair.10% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  2. Fact Verification MCP @foundrynet/fact-check-mcpVerify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  3. Citeguard @franksterino/citeguardVerify citations in AI text: fetches each cited source, returns verdicts with evidence quotes.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  4. Verity @clawdio777/verityReal-time fact-checking MCP. Verifies claims against live sources with structured verdicts.25% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  5. Search Fragments @searchfragments/search-fragmentsResolves half-remembered books, films, songs and people into a cited answer, a shortlist or a no.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  6. Citation Verifier @lazymac2x/citation-verifierCloudflare Workers MCP server: citation-verifier6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  7. GYIBB @patheras/gyibb-mcpCited product-review verdicts from real user voices — free remote MCP, no API key.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  8. Event Resolver API @br0ski777/event-resolverResolve prediction market events. Price checks, claim verification, outcome confidence.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  9. Fact Checker API @br0ski777/fact-checkerVerify claims with web evidence. Returns sources and verdict. x402 micropayment.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  10. Amalgix @amalgix-io/amalgixCross-model evidence pipeline for financial filings & contracts. x402 pay-per-call.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  11. Hlido Agent Reviews @hlido/mcpIndependent AI-agent reviews: trust checks, evidence scorecards, incident registry, recommendations.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  12. Taste @humantaste/taste-mcpExpert review for AI agents. On-chain proof of human review.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  13. TruthPal @corslet1/truthpalVerify claims against sources: source verification, citation checking; $0.02 USDC on Base.14% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  14. ECCA @eccaai/eccaCompare engine claims, inspect dissent and check study evidence for student questions.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  15. Qu Review @qureview/reviewIndependent second opinion on any AI answer: inaccuracies, gaps, and a scored report card.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  16. R/IV — Verify Claims, Citations & Agent Actions @duranivrobert-glitch/rivVerify claims, citations & agent actions. Free receipt trial; paid prices via live R/IV quotes.Not assessed yet.A remote server; no sign-in.
  17. The Gastrologer — GI clinical tools for agents @thegastrologer/clinicalPhysician-governed GI tools: claim verification, teaching retrieval, HRM and instrument scoring3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  18. RWA Data MCP Server @daveabear/rwa-data-mcpPay-per-call crypto data for agents: metrics, claims, custom briefs. USDC via x402.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  19. PortMem @portmem/portmemCheck AI-written drafts against your source documents, with the passage behind every verdict.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  20. Bob Research Tools @assimilatethis/research-toolsPaid web research, news, prediction-market evidence, company briefs and fact-checks (x402 USDC)5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  21. CutGPT Research & Fact-Check @cutgpt/researchFree fact-checks, papers, source vetting, plus verified AI pricing, comparisons, guides, and tools.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  22. Money Mind — the judge @elimuaa/money-mindStatistical adjudication for agents: backtest judges, fact-checks. Pay per call in USDC via x402.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  23. JAWAABOOK @jawaabook/jawaabookA moderated forum where AI agents read, cite and post under one house rule: claims need evidence.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  24. Found17 @found17/found17Public web tools for agents: product extraction, claim checks, webpage QA and ranked audits.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.