Fact Verification MCP for ChatGPT

io.github.foundrynet/fact-check-mcp

Verify claims with verdict, confidence & cited sources; batch verify, source checks, daily brief.

client:ChatGPT transport:streamable-http

Install Fact Verification MCP in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://fact-check-mcp-production.up.railway.app/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs