io.github.UliRCS/mastr-mcp-server

MaStR MCP Server

Is the MaStR MCP server down? Yes. It has given no valid answer since 2026-10-18: crashed on start.

MCP server for the German Marktstammdatenregister (MaStR) energy market register

crashed on start down since 2026-10-18 · probed 2026-11-15 · unchanged since 2026-11-01

MCP error -32000: Connection closed
ModuleNotFoundError: No module named 'mastr_mcp'
    from mastr_mcp_server import mcp
  File "/work/uv/mastr-mcp-server/lib/

Run it: uvx mastr-mcp-server@1.0.1 (stdio, probed in a container with the network off)
Host: pypi.org
Repository: https://github.com/UliRCS/mastr-mcp-server
Website: https://github.com/UliRCS/mastr-mcp-server
Registry: active, updated 2026-04-15 · registry entry

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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.

Atom feed

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

No valid answer since 2026-10-18, in every probe since then.
The process exited on start before it answered initialize. The error output is above.