How do I connect MCP Nixos MCP Server to Claude?

Run `claude mcp add mcp-nixos -- uvx mcp-nixos` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is MCP Nixos MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can MCP Nixos MCP Server do?

MCP Nixos MCP Server documents 18 tools to the agent, including browse, cache, channels. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

MCP Nixos

Unclaimed

by utensils

MCP-NixOS - Model Context Protocol Server for NixOS resources

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'mcp-nixos' -- 'uvx' 'mcp-nixos'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

ai-assistantai-integrationai-toolsanthropicclaudedeveloper-toolsdevops-toolsfastmcpllm-toolsmcpmodel-context-protocolnixnix-optionsnix-packagesnix-searchnixospackage-searchpythonsre-tools

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18 of 18 tools

Documented tools (18)

From project documentation. A server handshake does not verify each tool’s description or behavior.

browse

Browse Home Manager, Darwin, Nixvim, NVF, or Noogle by prefix (legacy alias: options)

cache

Check binary cache status for packages

channels

List available NixOS channels

darwin

nix-darwin options

flake-inputs

Explore local flake inputs from Nix store

flakehub

FlakeHub registry (flakehub.com)

flakes

Community flakes (search.nixos.org)

home-manager

Home Manager options

info

Get detailed info about a package or option

nix-dev

Official Nix documentation (nix.dev)

nixhub

Package metadata and store paths (nixhub.io)

nixos

Packages, options, programs

nixvim

Nixvim Neovim configuration options

noogle

Nix function signatures and docs (noogle.dev)

nvf

NVF Neovim configuration options (latest unstable docs)

search

Search packages, options, programs, or flakes

stats

Get counts and categories

wiki

NixOS Wiki articles (wiki.nixos.org)

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about MCP Nixos MCP Server

How do I connect MCP Nixos MCP Server to Claude?: Run `claude mcp add mcp-nixos -- uvx mcp-nixos` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is MCP Nixos MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can MCP Nixos MCP Server do?: MCP Nixos MCP Server documents 18 tools to the agent, including browse, cache, channels. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.