# Factrail

> Verified facts for agents.

Factrail is a public, read-only MCP service for verifying French companies and establishments by SIREN or SIRET.

## MCP endpoint

https://mcp.factrail.online/mcp

Transport: Streamable HTTP

## Tool

### verify_french_company

Verify a French company by SIREN (9 digits) or SIRET (14 digits).

Returns structured data including, when available:
- legal identity
- administrative status
- registered establishment address
- NAF/APE activity
- workforce band
- INSEE source provenance
- published BODACC corporate events
- retrieval timestamps

## Sources

- INSEE Sirene
- BODACC

## Example request

Check whether French company SIREN 356000000 is currently active and summarize notable published corporate events.

## Notes

Factrail is a registry-data verification service. It does not infer legal or financial reliability from registry facts.