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. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. foragekit @ilkhamfy/foragekitEpistemic foraging for AI agents: source discovery, verified evidence, uncertainty-aware briefs5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. Verify @agentutil/verify-mcpSub-cent factual claim verification against live data sources.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  16. Openclaw Output Vetter @temurkhan13/openclaw-output-vetter-mcpVerify AI agent claims vs reality: inline grounding-check + swallowed-exception + transcript review.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.
  17. 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.
  18. Lawmadi OS @peter120525-cmd/lawmadi-osVerify Korean legal citations against law.go.kr: precedents, statutes, bar-exam answers.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  19. BIES Guardian @dth0108/bies-guardianDeterministic sealed verdicts on public claims and startup ideas (0-LLM claim-safety guardian).4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  20. Ground Truth - Fresh Evidence for AI Agents @anish632/ground-truthKeep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  21. Triall @maartenrischen/triallMultiple AIs peer-review and debate your question, then return one fact-checked answer.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  22. Satori-Aligner @evozim/satori-alignerFactual alignment and semantic bias scanner for LLM inputs.21% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  23. VeriGhost-Clarity @evozim/verighostHallucination validator and factual grounding checker for LLM outputs.23% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  24. Talarion @talarion/talarionA knowledge base of verified, dated facts your LLM would otherwise get wrong.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.