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. Factcheck @carlisia/mcp-factcheckAn MCP server that validates content against MCP specification using semantic search and AI5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from Docker.3 GitHub stars.
  2. Omni Nli @cogitatortech/omni-nliAn MCP server for natural language inference3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.3 GitHub stars.
  3. Atlas Research @ahmedeid1/atlas-researchRead-only MCP over an agentic SLR workspace with per-claim citation verification6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.2 GitHub stars.
  4. HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Stocks, Crypto, News @its-fortunatefolly/hubvibe70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.2 GitHub stars.
  5. footnote-mcp @kazkozdev/footnote-mcpSource-grounded web research: search, extraction, verification, and browser automation.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.2 GitHub stars.
  6. Arkheiaai MCP @arkheiaai/mcp-serverDetect fabrication and hallucination in any LLM output. 30+ models supported.15% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.2 GitHub stars.
  7. Agentic Research @theaisingularity/agentic-researchLocal research agent that verifies its own answers. Runs on Gemma 3 4B + Ollama, $0/query.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.2 GitHub stars.
  8. Physbound @jonesrobm/physboundPhysical Layer Linter: validates RF and radar calculations against hard physical limits.2% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.2 GitHub stars.
  9. NebulaMind @duhokim/nebulamindAI astronomy wiki with open agent peer-review. Vote on evidence, propose edits, earn reputation.6% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.2 GitHub stars.
  10. Thoth @ahmedeid1/thothRead-only MCP over an agentic SLR workspace with per-claim citation verification5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.2 GitHub stars.
  11. DERO MCP Server @dhebp/dero-mcp-serverRead-only DERO blockchain MCP: 33 tools (12 composites) incl. TELA discovery + bundled docs.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.2 GitHub stars.
  12. Chainward @saltxd/chainwardCheck a Base or BNB Chain address before you pay it: on-chain risk reports, EAS attestations.Not assessed yet.Runs on your machine, installed from npm.1 GitHub stars.
  13. Groundwork @nickjlamb/groundworkDeployment-readiness checks for document-QA and extraction AI: grounding, extraction, CI gate.Not assessed yet.Runs on your machine, installed from npm.1 GitHub stars.
  14. ProofGraph (Antigravity MCP) @ai-buildinfra/proof-graphEvidence-first entity and knowledge graph MCP server for AI agents to verify claims.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from a package registry.1 GitHub stars.
  15. Academic Research Kernel @xngg1021/academic-research-kernelDeterministic research state, evidence validation and statistical recomputation.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  16. Solana NFT @p1xelapp/solana-nft-mcpRead-only Solana NFT data for AI: ownership history, custody rules, marketplace sales and floors.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  17. Korean Patent Status — 특허 존속 여부 판정 @didrod205/korean-patent-mcp특허 검색이 아니라 존속 판정: 특허·실용신안 번호가 지금도 유효한지 등록원부 연차료까지 대조해 소멸 사유와 함께 알려줍니다4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  18. NewsBlog Composer @mohammed-jameal-j/newsblog-composerVerifies news stories, mines SEO keywords, builds schema and reviews your draft. You write it.5% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  19. TradeStar Insider @tradestarinsider/edgar-insider-signalsFiling-verified SEC EDGAR insider (Form 4), 13D, 13F & 8-K data, no sign-in. Verify any claim.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  20. Noether Physics @ranshiv/noether-physicsPhysics assistant: checked equations, live simulations, claims verified against arXiv papers3% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  21. ThoughtProof @thoughtproof/thoughtproof-mcpPre-action gate: verify before pay/trade/write/deploy. execute=true only on ALLOW.12% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from npm.1 GitHub stars.
  22. CiteVahti @heidihelena/citevahtiChecks whether each cited source supports the claim it backs. Blinded human-first, local-first.4% chance this is malicious. Assessed by AI, which can make mistakes.Runs on your machine, installed from PyPI.1 GitHub stars.
  23. Mps Preflight @maha-strategies/mps-preflightClaim-level provenance preflight for sanitized nonfiction passages; automated triage only.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  24. StatCite — Verified Economic Statistics @asokore/statciteCited economic statistics: World Bank, IMF, BIS, ECB, Caribbean central banks. Verify any figure.2% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.