# Nixos

> - NixOS and nix-darwin system configuration — module shape, typed options with lib.mkOption, composing modules, nixosConfigurations, secrets (agenix/sops-nix), and cross-platform via nix-darwin + Home Manager. Use when writing a system module or config. Triggers: nixosConfiguration, nixos module, home-manager, nix-darwin, agenix, sops-nix, systemd service.

## Facts
- Page: https://tashan.sh/capability/skill-gurinderu-nixos
- tashan id: skill:gurinderu/nixos
- Source: https://github.com/gurinderu/craft
- Type: skill
- Category: other
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: 100.0
- Freshness: 99.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- Official: no

## Install

```sh
cp -r nixos ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-09 by tashan (https://tashan.sh) from public evidence. Scorer s5.