https://mcp.facticity.ai/mcp ↗
Real-time, multi-modal fact-checking for AI systems. Facticity AI verifies claims across text, audio, and video using trusted sources, helping agents and applications reduce hallucinations and improve reliability in production environments. Powered by a combination of large language models and retrieval-augmented generation (RAG), Facticity performs structured claim extraction, evidence retrieval, and source ranking to deliver fast, transparent verification results. Recognized as one of Time’s Best Inventions of 2024, Facticity AI has been used in high-stakes scenarios including near real-time fact-checking of live events. Built for MCP-compatible workflows, it enables seamless integration of truth validation into AI agents, developer tools, and enterprise systems—bringing verifiable intelligence directly into your stack.
Facticity AI is a remote MCP server published at mcp.facticity.ai. It has been probed 35 times since 9/10/2026. It answered in 35 of them (100.0%), a near-uninterrupted record. Median response time is 1,168 ms, a delay an agent will notice. Its tool list could not be read; the server is closed to direct calls. It answers direct calls with an authentication wall.
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 21:01:02 | Auth-gated | 401 | 1340 | 401 | 1347 | — |
| 2026-09-13 18:57:30 | Auth-gated | 401 | 991 | 401 | 965 | — |
| 2026-09-13 16:52:42 | Auth-gated | 401 | 1075 | 401 | 1119 | — |
| 2026-09-13 14:49:35 | Auth-gated | 401 | 1620 | 401 | 1071 | — |
| 2026-09-13 12:47:19 | Auth-gated | 401 | 848 | 401 | 950 | — |
| 2026-09-13 10:45:14 | Auth-gated | 401 | 1130 | 401 | 1210 | — |
| 2026-09-13 08:43:04 | Auth-gated | 401 | 1166 | 401 | 1292 | — |
| 2026-09-13 06:40:42 | Auth-gated | 401 | 1601 | 401 | 1659 | — |
| 2026-09-13 04:35:29 | Auth-gated | 401 | 1515 | 401 | 1441 | — |
| 2026-09-13 01:33:33 | Auth-gated | 401 | 946 | 401 | 976 | — |
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
The two probe legs separately: modern server/discover and legacy initialize.
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
Add this badge to your README — it updates automatically as measurements change.
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Verify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.
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