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FacturX API

com.facturxapi/mcp · v0.1.2

Official MCP server for the FacturX API: dry run, Factur-X conversion, validation, rule lookup.

Connect Runs on your machine

Terminal
claude mcp add mcp -e FACTURX_API_KEY=<FACTURX_API_KEY> -e FACTURX_BASE_URL=<FACTURX_BASE_URL> -- uvx facturx-mcp==0.1.2
claude_desktop_config.json
{
  "mcpServers": {
    "mcp": {
      "command": "uvx",
      "args": [
        "facturx-mcp==0.1.2"
      ],
      "env": {
        "FACTURX_API_KEY": "<FACTURX_API_KEY>",
        "FACTURX_BASE_URL": "<FACTURX_BASE_URL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "command": "uvx",
      "args": [
        "facturx-mcp==0.1.2"
      ],
      "env": {
        "FACTURX_API_KEY": "<FACTURX_API_KEY>",
        "FACTURX_BASE_URL": "<FACTURX_BASE_URL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "facturx-mcp==0.1.2"
      ],
      "env": {
        "FACTURX_API_KEY": "<FACTURX_API_KEY>",
        "FACTURX_BASE_URL": "<FACTURX_BASE_URL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
FACTURX_API_KEY
Required, secret
FacturX API key (free Sandbox key at https://facturxapi.com/api-key)
FACTURX_BASE_URL
Optional
API base URL

Details

Package[email protected] (PYPI, stdio)
First published11 Nov 2026
Last updated11 Nov 2026
Registry namecom.facturxapi/mcp

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