FACTRAIL MCP Server

FACTRAIL gives agents structured, source-backed real-world evidence with provenance, freshness, conflicts, support levels, coverage, unresolved dependencies, and reusable receipts. It is a public…

Remote serverstreamable-http

What is the FACTRAIL MCP Server?

factrail is an MCP project maintained in the baronsigma/factrail repository. The maintainer describes its purpose as “FACTRAIL gives agents structured, source-backed real-world evidence with provenance, freshness, conflicts, support levels, coverage, unresolved dependencies, and reusable receipts. It is a public beta: capabilities…”. Read the project documentation for the complete scope.

Hosted connection

The maintainer’s configuration uses https://mcp.factrail.online/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the FACTRAIL MCP Server

{
  "mcpServers": {
    "factrail": {
      "url": "https://mcp.factrail.online/mcp"
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.