PyCQA/flake8
flake8 is a python tool that glues together pycodestyle, pyflakes, mccabe, and third-party plugins to check the style and quality of some python code. observed · 2026-08-28
Health v2 · maintenance only
76/100
- Activity 98
- Release rhythm 35
- Longevity 100
Flags: no_releases no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4372
- days_rel: n/a
- days_push: 16
- n_releases_24m: 0
Adoption not part of the score
3819 stars · 355 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Flake8 is a Python CLI tool that combines pycodestyle, pyflakes, and mccabe into a single command for checking code style and quality. It supports per-line noqa suppression, VCS hooks, and extension via plugin entry points.
Use cases
- lint python code for style violations
- check python code for errors with pyflakes
- measure cyclomatic complexity of python functions
- enforce pep8 style guide in ci
- run a single linting command across a python project
- suppress specific lint warnings with noqa comments
- extend linting with custom flake8 plugins
When to choose
- you want a single tool combining style checks, error detection, and complexity analysis for python
- you need a mature, widely-adopted python linter with a rich plugin ecosystem
- you want git/mercurial hooks and easy CI integration for code quality checks
When to avoid
- you need type checking, which requires mypy or similar tools
- you prefer an all-in-one formatter-linter like ruff with much faster performance
- you are linting non-python code
Facets
cli-tool · maturity stable
linter developer-tools cli developer-tools python cli cross-platform flake8 pep8 pyflakes mccabe style-checking code-quality static-code-analysis plugins python static-analysis
2 sources
- readme: https://github.com/PyCQA/flake8 · fetched 2026-08-28 · 03dcfce5ca0e
- registry_pypi: https://pypi.org/pypi/flake8/json · fetched 2026-08-29 · c6bac525f49c
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| PyCQA/flake8 | main | 76 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem