# nix-community/NUR

Nix User Repository: User contributed nix packages [maintainer=@Pandapip1]

Repository: https://github.com/nix-community/NUR
Canonical: https://ross.abutalabs.com/products/nur
Homepage: https://nur.nix-community.org/
Language: Python
License: MIT
License Family: permissive
Topics: nur, nixpkgs, overlays, nix-packages
Last push: 2026-08-26T20:37:20+00:00

## Health v2 (maintenance only)
Score: 77/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 35, longevity 100
- inputs: {"age_days": 3108, "days_push": 7, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1937, forks 532 (observed 2026-08-28T04:05:57.151345+00:00)

## What it is
The Nix User Repository (NUR) is a community-driven meta repository aggregating user-contributed Nix package expressions, installable via attributes or flakes. It lets the community share packages faster and more decentralized than Nixpkgs, with automated evaluation checks but no security review.

## Use cases
- install community nix packages not in nixpkgs
- share my own nix packages with others
- add nur overlay to my nixos configuration
- use nur with flakes in flake.nix
- find and search nix packages from user repos
- pin a specific nur revision for reproducible builds

## When to choose
- you use Nix or NixOS and need packages missing from nixpkgs
- you want to publish nix packages without going through nixpkgs review
- you want faster access to new community packages

## When to avoid
- you need security-reviewed packages - NUR does not check repositories for malicious content
- you don't use the Nix package manager
- you require guaranteed package stability or official support

## Facets
- artifact type: library
- maturity: active
- function: package-manager, developer-tools, plugin-system
- domain: developer-tools, self-hosted
- platform: cli, cross-platform
- tags: nix, nixpkgs, nur, overlays, nix-expressions, community-packages, flakes, command-line, automation, linux, macos

## Member repositories
- nix-community/NUR (main) score 77

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:57.151345+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:08:14.715651+00:00, confidence not recorded.
  - readme: https://github.com/nix-community/NUR (fetched 2026-08-28T04:05:57.151345+00:00, sha 2b84ae4a6a25)
  - homepage: https://nur.nix-community.org/ (fetched 2026-08-29T10:47:39.199109+00:00, sha ce8b7a65b361)
  - site_page: https://nur.nix-community.org/documentation (fetched 2026-08-29T10:47:39.208667+00:00, sha 07868fc582c3)
- Data as of 2026-08-30T08:39:29.467469+00:00.