HYRR runs on your own machine — the client starts it, so there is no endpoint to ping. 251 installs a week from pypi. Last commit 28 Sep 2026.
Radio-isotope production, activity and dose for charged-particle beams on stacked targets
We read the source, 2 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
этот файл ставится пользователю, но в репозитории его нет
<script src="https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit" async defer></script>
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Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.
- "${CONTAINER_SOCKET_PATH:-/var/run/docker.sock}:/var/run/docker.sock"
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add hyrr -- uvx hyrr-mcp
{
"mcpServers": {
"hyrr": {
"command": "uvx",
"args": [
"hyrr-mcp"
]
}
}
}
[mcp_servers.hyrr]
command = "uvx"
args = ["hyrr-mcp"]
{
"mcpServers": {
"hyrr": {
"command": "uvx",
"args": [
"hyrr-mcp"
]
}
}
}
{
"servers": {
"hyrr": {
"type": "stdio",
"command": "uvx",
"args": [
"hyrr-mcp"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
HYRR_DATA (nucl-parquet data directory. Unset: the matching data release is fetched once into ~/.hyrr/nucl-parquet), HYRR_LIBRARY (Nuclear data library id, e.g. tendl-2023-iso (default) or endfb-8.1).
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Ask a Downtrace project what changed in a Node.js backend in production, and why.
Answers built from our own checks of this server.