MCP server for LayerOne DocX (documents & Factur-X) and Sign (e-signature) APIs.
Connect Runs on your machine
claude mcp add layerone -e DOCX_API_KEY=<DOCX_API_KEY> -e SIGN_API_KEY=<SIGN_API_KEY> -- npx -y [email protected]
{
"mcpServers": {
"layerone": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"DOCX_API_KEY": "<DOCX_API_KEY>",
"SIGN_API_KEY": "<SIGN_API_KEY>"
}
}
}
}
{
"mcpServers": {
"layerone": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"DOCX_API_KEY": "<DOCX_API_KEY>",
"SIGN_API_KEY": "<SIGN_API_KEY>"
}
}
}
}
{
"servers": {
"layerone": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"DOCX_API_KEY": "<DOCX_API_KEY>",
"SIGN_API_KEY": "<SIGN_API_KEY>"
}
}
}
}
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 |
|---|---|
DOCX_API_KEYRequired, secret | DocX API key (documents, PDF, Factur-X). Generate at https://dev.layerone.fr |
SIGN_API_KEYRequired, secret | Sign API key (eIDAS/PAdES e-signature). Generate at https://dev.layerone.fr |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 18 Jun 2026 |
| Last updated | 18 Jun 2026 |
| Registry name | io.github.GOLayerone/layerone |
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