Radio-isotope production, activity and dose for charged-particle beams on stacked targets
Connect Runs on your machine
claude mcp add hyrr -e HYRR_DATA=<HYRR_DATA> -e HYRR_LIBRARY=<HYRR_LIBRARY> -- uvx hyrr-mcp==0.22.0
{
"mcpServers": {
"hyrr": {
"command": "uvx",
"args": [
"hyrr-mcp==0.22.0"
],
"env": {
"HYRR_DATA": "<HYRR_DATA>",
"HYRR_LIBRARY": "<HYRR_LIBRARY>"
}
}
}
}
{
"mcpServers": {
"hyrr": {
"command": "uvx",
"args": [
"hyrr-mcp==0.22.0"
],
"env": {
"HYRR_DATA": "<HYRR_DATA>",
"HYRR_LIBRARY": "<HYRR_LIBRARY>"
}
}
}
}
{
"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
| Name | Description |
|---|---|
HYRR_DATAOptional | nucl-parquet data directory. Unset: the matching data release is fetched once into ~/.hyrr/nucl-parquet |
HYRR_LIBRARYOptional | Nuclear data library id, e.g. tendl-2023-iso (default) or endfb-8.1 |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 28 Sep 2026 |
| Last updated | 28 Sep 2026 |
| Registry name | io.github.exoma-ch/hyrr |
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