utensils/mcp-nixos

Overview

A Model Context Protocol server that exposes NixOS resources to AI assistants. It lets LLMs query NixOS options, packages, and system configurations through a structured API.

Best for

Best for
Developers using AI assistants who need quick access to NixOS configuration and package information.

Use cases

• Query NixOS package details and options from an AI assistant
• Retrieve system configuration documentation during development
• Integrate NixOS resource lookups into automated workflows

How to use

Install

uvx mcp-nixos

Tools exposed

• flake-inputs
• home-manager
• nix-dev

Tested with

Cursor

Example client config

{\n  "mcpServers": {\n    "nixos": {\n      "command": "uvx",\n      "args": ["mcp-nixos"]\n    }\n  }\n}

Notes

A Model Context Protocol server that exposes NixOS resources to AI assistants. It lets LLMs query NixOS options, packages, and system configurations through a structured API.

656 stars on GitHub. Last updated 2026-05-27. Licensed MIT.

Use cases

• Query NixOS package details and options from an AI assistant
• Retrieve system configuration documentation during development
• Integrate NixOS resource lookups into automated workflows

Pros

• Directly connects LLMs to NixOS reference data without manual searching
• Open source with a clear protocol specification
• Lightweight Python implementation

Cons

• Requires running a local MCP server alongside the assistant
• Limited to NixOS-specific resources, not general system info
• Dependent on the NixOS data source staying current

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.