yamllint

{
  "aliases": [],
  "alternatives": [
    "yamlfmt",
    "prettier"
  ],
  "build_dependencies": [],
  "categories": [
    "linter",
    "yaml-tool"
  ],
  "caveats": null,
  "conflicts_with": [],
  "dependencies": [
    "libyaml",
    "python@3.14"
  ],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Linter for YAML files",
  "disable_reason": null,
  "disabled": 0,
  "enrichment_fetched_at": "2026-06-20T23:41:04+00:00",
  "first_seen": "2026-06-20T23:34:18+00:00",
  "full_name": "yamllint",
  "github_default_branch": "master",
  "github_last_commit_at": "2026-06-18T14:46:58Z",
  "github_readme_excerpt": "yamllint\n========\n\nA linter for YAML files.\n\nyamllint does not only check for syntax validity, but for weirdnesses like key\nrepetition and cosmetic problems such as lines length, trailing spaces,\nindentation, etc.\n\n.. image::\n   https://github.com/adrienverge/yamllint/actions/workflows/tests.yaml/badge.svg?branch=master\n   :target: https://github.com/adrienverge/yamllint/actions/workflows/tests.yaml?query=branch%3Amaster\n   :alt: CI tests status\n.. image::\n   https://coveralls.io/repos/github/adrienverge/yamllint/badge.svg?branch=master\n   :target: https://coveralls.io/github/adrienverge/yamllint?branch=master\n   :alt: Code coverage status\n.. image:: https://readthedocs.org/projects/yamllint/badge/?version=latest\n   :target: https://yamllint.readthedocs.io/en/latest/?badge=latest\n   :alt: Documentation status\n\nWritten in Python.\n\nDocumentation\n-------------\n\nhttps://yamllint.readthedocs.io/\n\nOverview\n--------\n\nScreenshot\n^^^^^^^^^^\n\n.. image:: docs/screenshot.png\n   :alt: yamllint screenshot\n\nInstallation\n^^^^^^^^^^^^\n\nUsing pip, the Python package manager:\n\n.. code:: bash\n\n pip install --user yamllint\n\nyamllint is also packaged for all major operating systems, see installation\nexamples (``dnf``, ``apt-get``...) `in the documentation\n\u003chttps://yamllint.readthedocs.io/en/stable/quickstart.html\u003e`_.\n\nUsage\n^^^^^\n\n.. code:: bash\n\n # Lint one or more files\n yamllint my_file.yml my_other_file.yaml ...\n\n.. code:: bash\n\n # Recursively lint all YAML files in a directory\n yamllint .\n\n.. code:: bash\n\n # Use a pre-defined lint configuration\n yamllint -d relaxed file.yaml\n\n # Use a custom lint configuration\n yamllint -c /path/to/myconfig file-to-lint.yaml\n\n.. code:: bash\n\n # Output a parsable format (for syntax checking in editors like Vim, emacs...)\n yamllint -f parsable file.yaml\n\n`Read more in the complete documentation! \u003chttps://yamllint.readthedocs.io/\u003e`__\n\nFeatures\n^^^^^^^^\n\nHere is a yamllint configuration file example:\n\n.. code:: yaml\n\n extends: default\n\n rules:\n   # 80 c",
  "github_repo": "adrienverge/yamllint",
  "github_stars": 3410,
  "github_topics": [
    "lint",
    "linter",
    "yaml",
    "yamllint"
  ],
  "homepage": "https://github.com/adrienverge/yamllint",
  "homepage_og_description": null,
  "homepage_og_image": null,
  "homepage_title": null,
  "installs_30d": 3468,
  "installs_365d": 34858,
  "installs_90d": 8989,
  "keg_only": 0,
  "keg_only_reason": null,
  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "GPL-3.0-or-later",
  "llm_generated_at": "2026-06-20T23:46:49+00:00",
  "llm_model": "claude-haiku-4-5",
  "name": "yamllint",
  "oldnames": [],
  "one_liner": "Python linter for YAML files that checks syntax, style, and common mistakes like key repetition and trailing spaces.",
  "optional_dependencies": [],
  "rank_30d": 750,
  "rank_365d": 823,
  "rank_90d": 852,
  "raw_hash": "d30b39567de6b36f",
  "recommended_dependencies": [],
  "revision": 0,
  "ruby_source_path": "Formula/y/yamllint.rb",
  "tap": "homebrew/core",
  "test_dependencies": [],
  "uses_from_macos": [],
  "version_head": "HEAD",
  "version_stable": "1.38.0",
  "versioned_formulae": [],
  "why_use_this": "Catches both syntax errors and cosmetic YAML problems (indentation, line length, trailing whitespace, duplicate keys) in CI/CD pipelines and pre-commit hooks. Highly configurable rules and integrates well with editor plugins and linting workflows. Essential for teams enforcing consistent YAML formatting in config files, Kubernetes manifests, and Ansible playbooks."
}