Official MCP server for the FacturX API: dry run, Factur-X conversion, validation, rule lookup.
Connect Runs on your machine
claude mcp add mcp -e FACTURX_API_KEY=<FACTURX_API_KEY> -e FACTURX_BASE_URL=<FACTURX_BASE_URL> -- uvx facturx-mcp==0.1.2
{
"mcpServers": {
"mcp": {
"command": "uvx",
"args": [
"facturx-mcp==0.1.2"
],
"env": {
"FACTURX_API_KEY": "<FACTURX_API_KEY>",
"FACTURX_BASE_URL": "<FACTURX_BASE_URL>"
}
}
}
}
{
"mcpServers": {
"mcp": {
"command": "uvx",
"args": [
"facturx-mcp==0.1.2"
],
"env": {
"FACTURX_API_KEY": "<FACTURX_API_KEY>",
"FACTURX_BASE_URL": "<FACTURX_BASE_URL>"
}
}
}
}
{
"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
| Name | Description |
|---|---|
FACTURX_API_KEYRequired, secret | FacturX API key (free Sandbox key at https://facturxapi.com/api-key) |
FACTURX_BASE_URLOptional | API base URL |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 11 Nov 2026 |
| Last updated | 11 Nov 2026 |
| Registry name | com.facturxapi/mcp |
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