# NixOS

> Use this tool when you need to programmatically access and manage NixOS packages, system options, and configurations. It solves problems related to package discovery, configuration management, and automation by providing a standardized interface for interacting with Nix ecosystem components. Ideal for developers and AI agents seeking to integrate NixOS configuration options and package information into their workflows.

Canonical page: https://skillsregistry.net/skills/utensils-nixos  
JSON: https://api.skillsregistry.net/v1/skills/utensils-nixos

## Description

MCP-NixOS provides a server for interacting with NixOS packages, system options, Home Manager configuration, and nix-darwin macOS configuration through standardized URL schemes. Developed by James Brink, this Python implementation features multi-level caching with filesystem persistence, detailed documentation integration, and support for advanced search capabilities including hierarchical paths and version filtering. The architecture separates concerns into cache, clients, contexts, resources, and tools components, making it ideal for developers seeking programmatic access to Nix ecosystem configuration options and package information through AI assistants.

## Trust

- **Trust score (0–1):** 0.68
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-09-28

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/utensils-nixos)
- **Repository:** <https://github.com/utensils/mcp-nixos>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "utensils-nixos"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/utensils-nixos` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/utensils-nixos/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt