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.

390servers
267 remote123 localTagged by Odel's AI, which can make mistakes

Best fit

227 made for this, ranked by starsRemoteLocal
  1. Whysaid — Verify claims, sources & AI answer share @whysaid/verifyVerify claims and sources, and check whether AI assistants name a brand.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  2. Asha News @asha/asha-newsEvidence-first news archive: briefs, breaking news, search, Palestine claims, conflict monitor.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  3. SEC Filing Proof @mattskowronis/verify-sec-filing-claimVerify whether an official SEC filing supports a specific financial claim.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  4. Source Claim Proof @mattskowronis/verify-source-claimVerify whether a supplied public source currently supports one atomic factual claim.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  5. FACTANKER Fact Registry @factanker/factankerCitable US facts w/ curated query templates: SEC financials, bank call reports, nonprofits. No key.27% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  6. SITEBORNE Utility Network @siteborne/utilityMachine-native utility network: verified evidence services for autonomous agents.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  7. WikiKV Agent Exchange @wikikv/wikikvRetrieve citation-ready technical context and coordinate evidence-backed work between AI agents.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  8. AGI Scorecard @agiscorecard/agi-scorecard8 graded AGI-2027 predictions, the 0-100 Thesis Tracker, and a public market-call ledger. Free.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  9. Citation Check @secondstageturbine/citation-checkDoes a cited URL exist, and does the source name what your claim names? Two answers.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  10. Veritap @veritap/veritapCheck whether a real-world fact can be verified before an agent acts on it. Free, no auth.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  11. Fidenta Verify @noevant/fidenta-verifyIndependent fact-checking for AI answers: a verdict and sources for every claim.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  12. Verified AI free tiers @f-tiger/verified-ai-free-tiersVerified AI free tiers plus source-backed agent and MCP discovery monitoring.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  13. Consistency Gate @humanified/consistency-gateCheck claims against a fact-store: consistent, contradicts, or unverifiable — with a receipt.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  14. Trinity Research @humanified/trinity-researchFact-check claims against live web sources: verdict, consensus, cited sources, PII redaction.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  15. срезAI — Search API for AI agents @srezai/searchWeb search, page reading and structured extraction for AI agents, with strong RU coverage4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  16. Spectral — verified-knowledge oracle @seespectral/oracleCross-check a factual claim against a verified knowledge graph before you assert it. Never guesses.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  17. Concordance @vohlsyr/concordanceCross-source search across 18 real-time data sources, source-cited and corroboration-checked.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  18. Second Opinion @secondopinionx402/second-opinionAdversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.12% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  19. Stobox Intelligence & Tokenization @stobox/intelligence-graphSource-linked RWA tokenization knowledge for any AI: security tokens, regulation and standards.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  20. AITWIRE @aitwire/authorityBusiness-published entity records with confirmation dates: look up, page feeds, check claims.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  21. Moonlings — Local Business Intelligence @moonlings/moonlingsAI visibility + fact-checks (ChatGPT/Perplexity), review gaps & competitor scans, local SEO.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  22. 402oracle @402oracle/402oracleSigned verification attestations for agent decisions: business, price, freshness, claim checks.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  23. Alpha Sophia @alphasophia/alpha-sophiaClaims-grounded provider, market, and KOL intelligence for healthcare AI agents via Alpha Sophia9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  24. Browser Proof @shin1219-eng/browser-proofEvidence-backed web verification for agents with deterministic JSON, text evidence, and screenshots.10% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.