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
By GitHub stars, at most two per publisher
  1. Number 1: Korean Law MCP@chrisryugj/korean-law-mcpKorean law: statutes, precedents, ordinances, treaties and citation verification (법제처 API).3% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.2,658 GitHub stars.
  2. Number 2: emem, the verifiable memory protocol for the physical world@vortx-ai/ememShared, verifiable memory for machines and AI. Encode where data lives; decode with any AI.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.66 GitHub stars.
  3. Number 3: Smart Thinking@smithery/leghis-smart-thinkingFind relevant Smart‑Thinking memories fast. Fetch full entries by ID to get complete context. Spee…7% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.33 GitHub stars.

Best fit

221 made for this, ranked by starsRemoteLocal
  1. Agenda Intelligence MD @vassiliylakhonin/agenda-intelligence-mdEvidence-readiness MCP server: validate, audit, and score briefs, memos, and evidence packs.4% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.8 GitHub stars.
  2. OpenArx @openarx/openarxOpen scientific and engineering knowledge for AI agents: search, evidence, document publishing.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.8 GitHub stars.
  3. Lune Research @luneresearch/luneSearch peer-reviewed papers and research methodology guidance from your AI agent.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; you sign in with your account.4 GitHub stars.
  4. Arch Tools @deesmo/arch-tools-mcp63 production tools for AI agents — one API key, pay per call in USDC (x402) or Stripe credits.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.3 GitHub stars.
  5. qsearch @theyahia/qsearchMulti-engine search for AI agents. Trust scoring, local corpus, MCP-native. Self-hostable, BYOK.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.3 GitHub stars.
  6. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. groundcheck — decision-grade fact verification @beepboop2025/groundcheckVerify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  14. Concordance @narrowhighway/concordanceDeterministic claim verification with receipts across ~60 domains. No model in the loop.6% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  15. Stillos Notary @stillmarcus24/stillos-notary-mcpAttestation infrastructure for the agentic economy: signed, independently verifiable verdicts.5% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  16. Citation Verification @guptaprakhariitr/verification-mcpReal-time fact-check, citation verification, and source-freshness for AI agents.9% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.1 GitHub stars.
  17. check-claim @piiiico/check-claimCheck that a source really says what your claim says, before you publish. Verbatim, multi-path.Not assessed yet.A remote server; no sign-in.
  18. Ransack @chancewalker165-dot/ransackWeb search & fetch MCP for AI agents: 12 engines, one key, flat $15/mo at ransack.tools.14% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; it needs your API key.
  19. POKT Agent tools @jsymen1290/pokt-agentPine Script backtest-trap checks, backtest reconciliation and official Korean finance data.Not assessed yet.A remote server; no sign-in.
  20. Rootpublish AI facts check @rootpublish/ai-factsCheck what an AI assistant tells buyers about a company against the company's own pricing pages.8% chance this is malicious. Assessed by AI, which can make mistakes.A remote server; no sign-in.
  21. Web Evidence @impanyu/web-evidencePaid claim verification with cited web evidence, source provenance, snapshots, and hashes.Not assessed yet.A remote server; no sign-in.

Also touches on Fact-checking

112 where it is one part of a bigger job