Data · Local MCP server
Nix Packages MCP
Nix package search from nixpkgs. No key required.
What the MCP Registry states
The entry as published to the official MCP Registry (read 2026-10-04), latest version.
- Registry name
io.github.mrfentmen/nix-packages-mcp- Version
- 1.0.0
- Status
- Active
- Category
- data
- Transport
- stdio (local process)
- Package
- npm
- Published
- 2026-09-21
- Updated
- 2026-09-21
- Publisher
- mrfentmen (GitHub) · 687 servers with pages here
- Repository
- github.com/mrfentmen/nix-packages-mcp
- Source
- Registry API entry
Packages
| Registry | Package | Version | Transport |
|---|---|---|---|
| npm | nix-packages-mcp | 1.0.0 | stdio |
How to connect Nix Packages MCP
Nix Packages MCP runs locally from a Node.js package published to the npm registry: nix-packages-mcp version 1.0.0. It speaks MCP over stdio, so the client starts it as a program and talks to it through standard input and output. It needs Node.js; clients usually start it with npx — the usual command is npx -y nix-packages-mcp@1.0.0.
In the mcpServers JSON format that many desktop and editor MCP clients read, the entry looks like this (placeholders in angle brackets):
{
"mcpServers": {
"nix-packages-mcp": {
"command": "npx",
"args": [
"-y",
"nix-packages-mcp@1.0.0"
]
}
}
}Derived from the registry entry, not tested here. What the server does, and on what terms, is set by its publisher; check its repository or website before giving it access to your accounts or files. How to add an MCP server to an assistant · Before you connect
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