# casey/just

🤖 Just a command runner

Repository: https://github.com/casey/just
Canonical: https://ross.abutalabs.com/products/just
Homepage: https://just.systems
Language: Rust
License: CC0-1.0
License Family: permissive
Last push: 2026-08-20T23:01:29+00:00

## Health v2 (maintenance only)
Score: 98/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 98, release rhythm 96, longevity 100
- inputs: {"age_days": 3729, "days_push": 13, "days_rel": 30, "gap_med": 9, "n_releases_24m": 32}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 35500, forks 836 (observed 2026-08-28T04:12:00.832078+00:00)

## What it is
just is a command runner that saves and runs project-specific commands defined in a justfile with make-inspired syntax. It focuses on running recipes rather than build tracking, avoiding make's idiosyncrasies while adding arguments, dotenv loading, and multi-language shebang recipes.

## Use cases
- run project-specific commands easily
- replace make for task automation
- define scripts in a justfile
- run recipes with command line arguments
- load .env variables for project commands
- write task recipes in python or node

## When to choose
- you want a simple task runner without make's build-system complexity
- you need cross-platform command automation with no extra dependencies
- you want recipes in arbitrary languages via shebang lines

## When to avoid
- you need incremental build tracking and file dependency graphs
- you need a full CI/CD pipeline tool rather than a local command runner

## Facets
- artifact type: cli-tool
- maturity: stable
- function: cli, developer-tools, build-tool, workflow-automation
- domain: developer-tools
- platform: windows, cli, rust, cross-platform
- tags: command-runner, justfile, task-runner, make-alternative, rust, command-line, automation, linux, macos

## Member repositories
- casey/just (main) score 98

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:12:00.832078+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 2026-08-29T16:26:56.724064+00:00, confidence not recorded.
  - readme: https://github.com/casey/just (fetched 2026-08-28T04:12:00.832078+00:00, sha 7714b68cdfe0)
  - homepage: https://just.systems (fetched 2026-08-29T07:47:56.410797+00:00, sha 16955b369126)
  - registry_crates: https://crates.io/api/v1/crates/just (fetched 2026-08-29T07:47:56.420843+00:00, sha 41800b05738f)
- Data as of 2026-08-30T08:39:29.467469+00:00.