Provides practical Nix usage: running packages from nixpkgs, creating ephemeral shells, evaluating expressions, converting hashes, and troubleshooting build or cache issues. Includes command examples for running packages, formatting Nix files, prefetching hashes, and evaluating expressions non-interactively.
Use when you need reproducible, temporary environments for running tools, debugging derivations, converting hash formats, or scripting with Nix shebangs. Handy for CI tasks, local development without permanent installs, and when inspecting package attributes in nixpkgs.
Agents that can run shell commands and manage ephemeral environments (CLI-focused assistants, dev tooling bots).
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