Nix Command (Grade A)Security-tested data-ai skill for Claude AI. Grade A. Nix CLI command guidelines. Use new unified CLI (nix subcommand) instead of legacy commands (nix-build, nix-env, nix-shell, etc.). Use when runnin
Overview
Key features
- Guidelines for building and development
- Package management command substitutions
- Nix Store operation command substitutions
- Hash command substitutions
- Channel command substitutions
- Examples of commonly used commands
Pricing
- Model
- Free
- Category
- Skills
- Rating
- No reviews yet
Use cases
Building and Developing
Use nix build and nix develop instead of nix-build and nix-shell for building and development environments.
Package Management
Use nix profile add, nix profile remove, and nix profile upgrade instead of nix-env -i, nix-env -e, and nix-env -u for package management.
Nix Store Operations
Use nix store gc and nix store optimise instead of nix-store --gc and nix-store --optimise for Nix Store operations.
Pros & Cons
Pros
- Encourages adoption of the new unified Nix CLI
- Helps transition from legacy commands to new nix subcommand format
- Covers a wide range of use cases from building and development to package management and store operations
Cons
- Limited to environments with nix-command and flakes enabled
- May require adjustments to existing workflows that rely on legacy commands
Reviews
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Q&A
Will adopting the new `nix <subcommand>` format affect my existing workflows that rely on `nix-shell`?
Yes. You should transition `nix-shell` calls to `nix develop` for development environments or `nix shell` for one‑off package installs, which may require adjustments to scripts and documentation.
Asked by Hana Kobayashi · Oct 20, 2025
What are the new unified CLI replacements for common legacy commands like `nix-build` and `nix-env`?
Use `nix build` instead of `nix-build`, `nix develop` (or `nix shell` for temporary environments) instead of `nix-shell`, and `nix profile add/remove/upgrade/list` in place of `nix-env` operations.
Asked by Zofia Kaczmarek · Sep 15, 2025
Can I use the Nix Command guidelines if my environment does not have the experimental nix-command and flakes enabled?
No. The guidelines are only applicable in environments where the experimental features `nix-command` and `flakes` are enabled; legacy commands are prohibited in such setups.
Asked by Jovana Petrovic · Aug 31, 2025
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