io.github.cyanheads/cern-opendata-mcp-server
Search CERN Open Data, fetch records, files, analysis environments, CMS good-run lists, HLT paths.
MCP server · by cyanheads
About
io.github.cyanheads/cern-opendata-mcp-server is an MCP server published by cyanheads. Marketplaces we read that list it: 1 (Official MCP Registry). We first saw it on 2026-10-11 and have recorded no change since. As of our marketplace pass on 2026-10-14.
What it asks for
- Runs remotely
- Settings: 5
What it declares, asks for and runs, in full
Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.
Package
npm @cyanheads/cern-opendata-mcp-server (@cyanheads/cern-opendata-mcp-server on npm)
- npm downloads/week: 64 (2026-10-12)
- npm downloads/month: 707 (2026-10-12)
- Latest version on npm: 0.2.0, published 2026-10-02
- Declared version 0.2.0 is not listed on npm
npm facts come from the public npm registry (registry.npmjs.org, api.npmjs.org). Each figure is the registry's own and is never added to another. A registry that publishes no figure shows none: no number is not zero.
Works with
- Claude Code
- Codex
- Cursor
- VS Code
- Copilot CLI
A one-click link opens the client, which asks you to confirm before it adds the server.
From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.
Connect
Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.
As a remote MCP server
Built from what Official MCP Registry declares.
claude mcp add --transport http cern-opendata-mcp-server https://cern-opendata.caseyjhand.com/mcp[mcp_servers.cern-opendata-mcp-server]
url = "https://cern-opendata.caseyjhand.com/mcp"{
"mcpServers": {
"cern-opendata-mcp-server": {
"url": "https://cern-opendata.caseyjhand.com/mcp"
}
}
}Where it is published
| Marketplace | Status | Version | Figures | Verified | First seen |
|---|---|---|---|---|---|
| Official MCP Registry (Open the registry record) | Listed | 0.2.0 | Downloads/month (npm): 707 Downloads/week (npm): 64 Forks (GitHub): 0 Stars (GitHub): 1 |
Not marked |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
What changed
Nothing has moved on this plugin since we started watching it.
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Found by meaning, not by shared code or a shared repository: similar plugins stay separate products, and this is not a review or a recommendation.
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