tox-gh
Seamless integration of tox into GitHub Actions.
Decision gist · record as of 2026-08-14
Yes. tox-gh solves a real coordination problem between tox and GitHub Actions with zero security issues, active maintenance, and permissive licensing. Install it if you use tox for local testing and want to run the same environments in GitHub Actions without manual synchronization. The low install friction and recent activity make it a straightforward addition to any tox-based project.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires tox 4 with a tox.toml, tox.ini, or pyproject.toml configuration file; only activates when running inside GitHub Actions (detected via GITHUB_ACTIONS environment variable).
- Low install friction with a pure Python wheel distribution.
- The package is actively maintained with a recent release and depends only on tox and typing-extensions, both standard tools in the Python testing ecosystem.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects with minimal obligations.
last release 2026-07-21 (24 days) · last repo commit 2026-08-10 · 69 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 113,266 downloads/mo, #12,349 on PyPI
Alternatives
Verify before relying
# Install
pip install tox tox-gh
# Add to tox.toml:
[gh.python]
"3.13" = ["py313"]
"3.12" = ["py312"]
# In GitHub Actions workflow, run:
tox- Whether tox-gh works with tox versions prior to 4.x, given the description mentions 'tox 4' as a prerequisite
- Performance characteristics when running dozens of environments across a matrix
- Compatibility with GitHub Actions runners other than ubuntu-latest
What it is and what it does
tox-gh is a plugin for tox that bridges the gap between tox's local environment management and GitHub Actions' matrix-based parallelism. It reads a configuration section mapping Python versions to tox environments, detects which Python version is running in the current GitHub Actions job, and automatically selects the corresponding environments to run—eliminating the need to manually coordinate between your Actions matrix and your tox configuration.
The plugin works by intercepting tox's environment selection logic when running inside GitHub Actions (detected via the GITHUB_ACTIONS environment variable). You define a mapping in your tox configuration (tox.toml, tox.ini, or pyproject.toml) that says "on Python 3.13, run these environments; on Python 3.12, run those," and tox-gh handles the rest. It supports freethreaded Python builds, multiple environments per version, and explicit overrides via environment variables or command-line flags.
Use it for
- Run different test suites (unit tests, type checking, linting) on each Python version without duplicating workflow logic
- Test against multiple Django or dependency versions in parallel by mapping factored environments to Python versions
- Automatically test freethreaded Python builds (3.13t, 3.14t) alongside standard CPython in the same matrix
- Reduce GitHub Actions job count by running multiple tox environments sequentially within a single job per Python version
- Migrate existing tox-based projects to GitHub Actions without rewriting test configuration
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
tox-gh solves a real coordination problem between tox and GitHub Actions with zero security issues, active maintenance, and permissive licensing. Install it if you use tox for local testing and want to run the same environments in GitHub Actions without manual synchronization. The low install friction and recent activity make it a straightforward addition to any tox-based project.
Install
tox-gh on PyPI
Before you install
Low install friction with a pure Python wheel distribution. The package is actively maintained with a recent release and depends only on tox and typing-extensions, both standard tools in the Python testing ecosystem.
Requires tox 4 with a tox.toml, tox.ini, or pyproject.toml configuration file; only activates when running inside GitHub Actions (detected via GITHUB_ACTIONS environment variable).
License in practice
MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects with minimal obligations.
Quickstart
# Install
pip install tox tox-gh
# Add to tox.toml:
[gh.python]
"3.13" = ["py313"]
"3.12" = ["py312"]
# In GitHub Actions workflow, run:
toxVerify before relying
- Whether tox-gh works with tox versions prior to 4.x, given the description mentions 'tox 4' as a prerequisite
- Performance characteristics when running dozens of environments across a matrix
- Compatibility with GitHub Actions runners other than ubuntu-latest
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagestoxtyping-extensions |
| Maintenance | Actively maintained 24 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 113,266 / month, #12,349 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.15Topic :: InternetTopic :: Software Development :: LibrariesTopic :: System |
Evidence: tox_gh-1.8.0-py3-none-any.whl
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See also tox-gh-actions · riot · tox-ansible · tox-uv · tox-uv-bare · mozilla-repo-urls · pytest-github-actions-annotate-failures · codemod-tox · IxNetwork · nox