# tox-dev/tox

Command line driven CI frontend and development task automation tool.

Repository: https://github.com/tox-dev/tox
Canonical: https://ross.abutalabs.com/products/tox
Homepage: https://tox.wiki
Language: Python
License: MIT
License Family: permissive
Topics: testing, python, virtualenv, continuous-integration, cli, automation, venv, actions
Last push: 2026-08-25T05:38:25+00:00

## Health v2 (maintenance only)
Score: 95/100 (v2, computed 2026-09-03T02:39:23.370411+00:00)
- activity 99, release rhythm 87, longevity 100
- inputs: {"age_days": 3637, "days_push": 8, "days_rel": 8, "gap_med": 2.0, "n_releases_24m": 79}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 3925, forks 573 (observed 2026-08-28T04:08:29.850852+00:00)

## What it is
tox is a command-line tool that automates and standardizes testing in Python by creating isolated virtual environments and running test commands in each. It also acts as a CI frontend, letting the same configuration drive both local development tasks and continuous integration pipelines.

## Use cases
- run tests across multiple Python versions
- verify my package installs correctly in isolated environments
- automate development tasks in Python projects
- reduce CI boilerplate with a single test config
- manage virtualenvs for testing workflows

## When to choose
- you maintain a Python library that must support several Python versions or dependency combinations
- you want one config driving both local testing and CI
- you need isolated, reproducible test environments

## When to avoid
- you only need a single fixed environment and a simple test runner
- your project is not Python-based
- you want full CI pipeline orchestration beyond test automation

## Facets
- artifact type: cli-tool
- maturity: active
- function: testing, cli, ci-cd, build-tool
- domain: testing, developer-tools
- platform: python, cli, cross-platform
- tags: virtualenv, test-automation, continuous-integration, environment-management, packaging, automation, python

## Member repositories
- tox-dev/tox (main) score 95

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:08:29.850852+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 2026-08-29T18:24:44.696393+00:00, confidence not recorded.
  - readme: https://github.com/tox-dev/tox (fetched 2026-08-28T04:08:29.850852+00:00, sha 43f378c53af8)
  - registry_pypi: https://pypi.org/pypi/tox/json (fetched 2026-08-29T09:19:14.047793+00:00, sha ade9e67c14a8)
- Data as of 2026-08-30T08:39:29.467469+00:00.