Cern-opendata-mcp-server MCP Server

Cern-opendata-mcp-server is an MCP integration. Search CERN Open Data, fetch records, files, analysis environments, CMS good-run lists, HLT paths.

Hosted connection

The registry lists a streamable-http connection at https://cern-opendata.caseyjhand.com/mcp.

Packages and local setup

The published npm package is @cyanheads/cern-opendata-mcp-server, version 0.2.0. Its declared MCP transport is stdio.

The package declares MCP_LOG_LEVEL: Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')..

This package has launch arguments in its registry record. Use the maintainer’s configuration for those arguments rather than launching it with only the package name.

The published npm package is @cyanheads/cern-opendata-mcp-server, version 0.2.0. Its declared MCP transport is streamable-http.

The package declares MCP_HTTP_HOST: The hostname for the HTTP server.; MCP_HTTP_PORT: The port to run the HTTP server on.; MCP_HTTP_ENDPOINT_PATH: The endpoint path for the MCP server.; MCP_AUTH_MODE: Authentication mode to use: 'none', 'jwt', or 'oauth'.; MCP_LOG_LEVEL: Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.2.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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