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HYRR

io.github.exoma-ch/hyrr · v0.22.0

Radio-isotope production, activity and dose for charged-particle beams on stacked targets

Connect Runs on your machine

Terminal
claude mcp add hyrr -e HYRR_DATA=<HYRR_DATA> -e HYRR_LIBRARY=<HYRR_LIBRARY> -- uvx hyrr-mcp==0.22.0
claude_desktop_config.json
{
  "mcpServers": {
    "hyrr": {
      "command": "uvx",
      "args": [
        "hyrr-mcp==0.22.0"
      ],
      "env": {
        "HYRR_DATA": "<HYRR_DATA>",
        "HYRR_LIBRARY": "<HYRR_LIBRARY>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "hyrr": {
      "command": "uvx",
      "args": [
        "hyrr-mcp==0.22.0"
      ],
      "env": {
        "HYRR_DATA": "<HYRR_DATA>",
        "HYRR_LIBRARY": "<HYRR_LIBRARY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "hyrr": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "hyrr-mcp==0.22.0"
      ],
      "env": {
        "HYRR_DATA": "<HYRR_DATA>",
        "HYRR_LIBRARY": "<HYRR_LIBRARY>"
      }
    }
  }
}

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

NameDescription
HYRR_DATA
Optional
nucl-parquet data directory. Unset: the matching data release is fetched once into ~/.hyrr/nucl-parquet
HYRR_LIBRARY
Optional
Nuclear data library id, e.g. tendl-2023-iso (default) or endfb-8.1

Details

Package[email protected] (PYPI, stdio)
First published28 Sep 2026
Last updated28 Sep 2026
Registry nameio.github.exoma-ch/hyrr

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