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Found 18 Skills
Use when configuring NixOS with flakes, managing overlays with home-manager useGlobalPkgs, structuring NixOS configurations, or facing issues where configuration changes don't apply
Maintains development environment instructions in the project README.md using nixomatic. When the user asks to build, compile, test, lint, format, type-check, run, or set up a project, or when a command fails because a tool or runtime is not installed, analyze project files to determine required packages and use nix develop with a nixomatic.com URL. Ensure the README.md documents how to reproduce the environment with both nix develop and docker run nixos/nix.
Create reproducible, cross-platform development environments with Flox — a declarative environment manager built on Nix. ALWAYS use this skill when the user needs to: set up a project with system-level dependencies (compilers, databases, native libraries like openssl, libvips, BLAS, LAPACK); configure reproducible toolchains for Python, Node.js, Rust, Go, C/C++, Java, Ruby, Elixir, PHP, or any language; manage environments that must work identically across macOS and Linux; pin exact package versions for a team; run local services (PostgreSQL, Redis, Kafka) alongside development tools; onboard new developers with a single command; or solve 'works on my machine' problems. Especially valuable for AI-assisted and vibe coding — Flox lets agents install tools into a project-scoped environment without sudo, system pollution, or sandbox restrictions, and the resulting environment is committed to the repo so anyone can reproduce it instantly. Use this skill even if the user doesn't mention Flox — if they describe needing reproducible, declarative, cross-platform dev environments with system packages, this is the right tool. Also use when the user mentions .flox/, manifest.toml, flox activate, or FloxHub.
Creates reproducible builds, manages flake inputs, defines devShells, and builds packages with flake.nix. Use when initializing Nix projects, locking dependencies, or running nix build/develop commands.
Runs packages temporarily, creates isolated shell environments, and evaluates Nix expressions. Use when executing tools without installing, debugging derivations, or working with nixpkgs.
Package npm/TypeScript/Bun CLI tools for Nix. Use when creating Nix derivations for JavaScript/TypeScript tools from npm registry or GitHub sources, handling pre-built packages or source builds with dependency management.
· Administer NixOS/Nix: flakes, home-manager, nix-darwin, generations, overlays, disko. Triggers: 'nixos', 'nix', 'flake', 'home-manager', 'configuration.nix', 'nixos-rebuild'. Not for other distros.
Guide for using direnv - a shell extension for loading directory-specific environment variables. Use when setting up project environments, creating .envrc files, configuring per-project environment variables, integrating with Python/Node/Ruby/Go layouts, working with Nix flakes, or troubleshooting environment loading issues on macOS and Linux.
Neovim (LazyVim) configuration via Nix: LSP, plugins, im-select, extraPackages. Mason is disabled; all LSP/formatters/linters are managed by Nix extraPackages. Triggers: "nvim 플러그인", "lazy.nvim", "한글 입력", "im-select", "extraPackages", "Mason 비활성화", "tree-sitter 빌드 오류", "LSP 서버 안 됨", "markdownlint", "Neovim 설정", Mason migration, tree-sitter build errors, lazy-lock.json conflict.
Switches NixOS/Home Manager configurations, cleans old generations, and performs system maintenance. Use when running os/home switch, pruning the Nix store, or managing system generations.
Nix commands and package management guide. Use when: - Running nix build, nix run - Adding custom packages - Using nurl for hash acquisition
Rebuild nix-darwin/NixOS system after dotfiles changes. Use when config files managed by Nix (lazygit, ghostty, etc.) need to be regenerated, or after editing any .nix file in the dotfiles repo.