| name | querying-nixos |
| description | Searches NixOS packages, options, Home Manager, nix-darwin, Nixvim, and Nix functions via mcp-nixos. Use when working with Nix configurations or looking up NixOS/Home Manager/nix-darwin options and packages. |
Querying NixOS Resources
Use the mcp__nixos__nix tool for unified queries and mcp__nixos__nix_versions for version history.
nix tool
nix(action, query, source, type, channel, limit)
Actions
search — search packages, options, programs, or flakesinfo — detailed info about a package or optionstats — counts and categoriesoptions — browse options by prefixchannels — list available channelsflake-inputs — explore local flake inputs from Nix storecache — check binary cache status
Sources
nixos — packages, options, programshome-manager — Home Manager optionsdarwin — nix-darwin optionsnixvim — Nixvim optionsflakes — community flakes (search.nixos.org)flakehub — FlakeHub registrynoogle — Nix function signatures (noogle.dev)wiki — NixOS Wikinix-dev — official Nix docsnixhub — package metadata and store paths
nix_versions tool
nix_versions(package, version, limit)
Find historical package versions with nixpkgs commit hashes.
