Factrail MCP Server

by baronsigma Your server? Claim it

answering

Factrail is answering right now. Last checked 12 min ago. It exposes 1 tools.

Verified French company facts and corporate events from INSEE Sirene and BODACC.

Uptime history 20 hours of history · worst hour 0%

20 hours agonow

43.2%

Uptime 24h

60 of 139 checks

Tools

read from the server

224 ms

Response time

average over 24h

open, no key

Access

streamable-http

Factrail does not always answer

Over the last week it answered 43.2% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add factrail --transport http https://mcp.factrail.online/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

[mcp_servers.factrail]
url = "https://mcp.factrail.online/mcp"

.cursor/mcp.json

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

.vscode/mcp.json

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

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

verify

verify_french_company

Verify a French company by SIREN (9-digit) or SIRET (14-digit). Returns structured verified data from INSEE Sirene (official company register) with BODACC company-event intelligence (legal notices, proceedings, filings). Read-only — does not modify any state. Accesses open-world data sources including the French government's official APIs.

Endpoints

URL	Transport	State	Latency	Checked
https://written-electron-favourites-exhibition.trycloudflare.com/mcp	streamable-http	answering	9 ms	12 min ago
https://mcp.factrail.online/mcp	streamable-http	answering	241 ms	12 min ago

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Factrail — questions

Answers built from our own checks of this server.

What can Factrail do?

It exposes 1 tools, read directly from the server on our last check. Among them: verify_french_company. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Factrail working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 60 of 139 checks got a reply (43.2%), average response time 224 ms. The bar chart above shows every period we have measured.

How do I connect Factrail?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Factrail need an API key?

No. Factrail completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Factrail?

It answers our handshake in 224 ms on average, which is faster than 70% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.