io.github.GOLayerone/layerone
LayerOne (DocX + Sign)
Is the LayerOne (DocX + Sign) MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
MCP server for LayerOne DocX (documents & Factur-X) and Sign (e-signature) APIs.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y layerone-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- layerone-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.3k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 4.5k. The o200k_base estimate is 2.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/GOLayerone/layerone-mcp
- Website
- https://dev.layerone.fr
- Registry
- active, updated 2026-06-18 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.77×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| sign_send_for_signature | 532 | 300 | 12 % |
| docx_render_document | 363 | 205 | 8 % |
| docx_render_facturx | 342 | 193 | 8 % |
| sign_send_otp | 264 | 149 | 6 % |
| docx_upload_template | 257 | 145 | 6 % |
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.