Your AI now has access to real NixOS data instead of making things up. You're welcome.
Your AI now has access to real NixOS data instead of making things up. You're welcome. The mcp nixos mcp server wraps that behind the Model Context Protocol, so an assistant can use it rather than through you.
An MCP server providing accurate, real-time information about:
The server ships on PyPI as mcp-nixos, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.
You will need 2 environment variables: MCP_NIXOS_HOST, MCP_NIXOS_PATH. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. It is maintained by utensils; worth a glance at recent repository activity before you build anything load-bearing on it.
This entry was verified against MCP Nixos's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.
{
"mcpServers": {
"nixos": {
"command": "uvx",
"args": ["mcp-nixos"]
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| MCP_NIXOS_HOST | Endpoint or connection string the server talks to. | Optional |
| MCP_NIXOS_PATH | Filesystem location the server is allowed to use. | Optional |
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