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. Japanese Article Quick Check @45b6sm69tr-ops/jp-article-check-freeFree Japanese article checker for claims, duplicate text, PR disclosure, and basic quality.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  2. SYMBaiEX Evidence MCP @symbaiex/evidenceAuthenticated public evidence search, verification, research jobs, exports, and webhooks.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  3. FiledProof @filedproof/filedproofPrimary-source SEC filing intelligence for AI agents, with exact evidence and provenance.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  4. California Bitcoin @californiabitcoin/agent-commerceBitcoin research for AI agents: free answers, specialist Q&A, verification, evidence, timelines.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  5. aiworker-data @duckdns/aiworker-dataPaid x402 tools (USDC per call): defi_yields, defi_protocol, scrape_markdown, scrape_summary.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  6. ZadenWorks @zadengg/x402-zadenworksRead, screenshot, diff, verify and audit any URL: SEO, links, sitemaps, schema, a11y.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  7. Signal-One by EMETZOR @emetzor/signal-oneVerified external-state intelligence for agents with corroborated evidence and ANSWER or WAIT.13% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  8. SomaCheck Vibecheck @sensie-agents/vibecheckSomaCheck returns proposition-specific Aligned or Unaligned plus model confidence.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  9. Batcave Detective Basic @bjorn2-sol/batcave-detectiveEvidence-bound second-opinion audit of an agent conclusion against caller-supplied evidence.11% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  10. NewsMCP @newsmcp/newsmcpLive world news deduplicated into story events, with corroboration counts and source links.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  11. DidWork @didwork/didworkVerify that an agent's claimed outcome actually happened, using independently gathered evidence5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.
  12. ThirdMade Shelf @thirdmade/shelf26 pay-per-call tools for agents: scrape, verify, guards, crypto. x402 USDC on Base.7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  13. The Stochastic Parrot @portneymk/stochastic-parrotSpan-grounded audits of how US outlets covered the same story, quotes checkable at the source.3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  14. Rosey – Quality verification for human and AI content @getrosey/roseyFact-checks generated content against your sources of truth showing what to trust, change, & verify.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.
  15. Plumbline — a trust layer for LLM answers @lattice-sys/mcpEvery figure re-checked against SQL-computed facts; unsupported questions refused with the reason.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. 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.
  21. 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.
  22. 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.
  23. 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.
  24. 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.