# MCP Nixos (MCP server)

> MCP Nixos is an MCP server that adds cloud and DevOps tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP-NixOS - Model Context Protocol Server for NixOS resources. It has 864 GitHub stars, is released under the MIT license and runs locally with docker run -i --rm ghcr.io/utensils/mcp-nixos.

🚨 No Nix/NixOS Required! Works on any system - Windows, macOS, Linux. You're just querying APIs. Your AI now has access to real NixOS data instead of making things up. You're welcome.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/utensils/mcp-nixos |
| GitHub stars | 864 |
| License | MIT |
| Language | Python |
| Transport | stdio |
| Packages | docker: ghcr.io/utensils/mcp-nixos |
| Remote URL | none |
| Needs API key | no |
| Official | yes |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Cloud & DevOps |
| Latest release | v3.1.0 (Sep 5, 2026) |
| Last commit | Oct 26, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "mcp-nixos": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/utensils/mcp-nixos"
      ]
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --transport stdio mcp-nixos -- docker run -i --rm ghcr.io/utensils/mcp-nixos
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "mcp-nixos": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/utensils/mcp-nixos"
      ]
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "mcp-nixos": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/utensils/mcp-nixos"
      ]
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

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