https://github.com/aws-cloudformation/cfn-lint
aws aws-cloudformation cfn-lint cloudformation linter
Score: 32.76360111895299
Last synced: about 14 hours ago
JSON representation
Repository metadata:
CloudFormation Linter
- Host: GitHub
- URL: https://github.com/aws-cloudformation/cfn-lint
- Owner: aws-cloudformation
- License: mit-0
- Created: 2018-04-10T23:16:16.000Z (about 8 years ago)
- Default Branch: main
- Last Pushed: 2026-06-12T15:21:00.000Z (8 days ago)
- Last Synced: 2026-06-12T16:27:50.195Z (8 days ago)
- Topics: aws, aws-cloudformation, cfn-lint, cloudformation, linter
- Language: Python
- Homepage:
- Size: 249 MB
- Stars: 2,622
- Watchers: 41
- Forks: 634
- Open Issues: 68
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Notice: NOTICE
Owner metadata:
- Name: AWS CloudFormation
- Login: aws-cloudformation
- Email: cfn-github@amazon.com
- Kind: organization
- Description: AWS CloudFormation provides a common language for you to describe and provision all the infrastructure resources in your cloud environment.
- Website: https://aws.amazon.com/cloudformation/
- Location: In the AWS Cloud
- Twitter:
- Company:
- Icon url: https://avatars.githubusercontent.com/u/19900777?v=4
- Repositories: 89
- Last Synced at: 2023-03-02T15:30:31.683Z
- Profile URL: https://github.com/aws-cloudformation
GitHub Events
Total
- Create event: 119
- Delete event: 60
- Fork event: 34
- Issue comment event: 525
- Issues event: 281
- Pull request event: 631
- Pull request review comment event: 8
- Pull request review event: 77
- Push event: 973
- Release event: 56
- Watch event: 134
- Total: 2898
Last Year
- Create event: 104
- Delete event: 52
- Fork event: 31
- Issue comment event: 472
- Issues event: 248
- Pull request event: 547
- Pull request review comment event: 8
- Pull request review event: 68
- Push event: 858
- Release event: 48
- Watch event: 127
- Total: 2563
Committers metadata
Last synced: 20 days ago
Total Commits: 2,836
Total Committers: 195
Avg Commits per committer: 14.544
Development Distribution Score (DDS): 0.392
Commits in past year: 244
Committers in past year: 19
Avg Commits per committer in past year: 12.842
Development Distribution Score (DDS) in past year: 0.373
| Name | Commits | |
|---|---|---|
| Kevin DeJong | k****g@a****m | 1723 |
| github-actions[bot] | 4****] | 282 |
| Frank van Boven | f****k@c****l | 227 |
| Pat Myron | P****n | 195 |
| dependabot[bot] | 4****] | 54 |
| Chuck Meyer | c****r@a****m | 34 |
| Maria Ines Parnisari | m****a@a****m | 12 |
| Adam Johnson | m****e@a****u | 10 |
| Chuck Meyer | c****r@b****m | 10 |
| Andrew Glenn | a****n@a****m | 8 |
| Thomas O'Brien | T****5 | 8 |
| Jamie van Brunschot | j****t@c****l | 8 |
| Julius Seporaitis | j****s@s****t | 7 |
| Michael K | m****k | 6 |
| kftsehk | k****7@g****m | 6 |
| Jacob Peddicord | j****d | 6 |
| Ben Bridts | b****s@g****m | 6 |
| Alex Jurkiewicz | a****x@j****z | 5 |
| Malik | 6****S | 5 |
| Brian Shaginaw | b****w@w****m | 4 |
| Gábor Lipták | g****k@g****m | 4 |
| Jay McConnell | j****n@a****m | 4 |
| Jiati Le | 6****i | 4 |
| sambattalio | s****9@g****m | 4 |
| Chih-Hsuan Yen | y****5@g****m | 3 |
| Jonathan Morley | j****y@c****m | 3 |
| Mark van Holsteijn | m****n@x****m | 3 |
| María Inés Parnisari | m****i@g****m | 3 |
| Ralph Mei | 1****n | 3 |
| Scott Brenner | s****t@s****e | 3 |
| and 165 more... | ||
Issue and Pull Request metadata
Last synced: about 2 months ago
Total issues: 572
Total pull requests: 1,806
Average time to close issues: 6 months
Average time to close pull requests: 7 days
Total issue authors: 327
Total pull request authors: 51
Average comments per issue: 1.84
Average comments per pull request: 0.64
Merged pull request: 1,610
Bot issues: 2
Bot pull requests: 333
Past year issues: 45
Past year pull requests: 139
Past year average time to close issues: 7 days
Past year average time to close pull requests: 2 days
Past year issue authors: 37
Past year pull request authors: 8
Past year average comments per issue: 0.58
Past year average comments per pull request: 0.81
Past year merged pull request: 101
Past year bot issues: 1
Past year bot pull requests: 46
Top Issue Authors
- kddejong (46)
- r-heimann (29)
- whoDoneItAgain (19)
- nosnilmot (9)
- Slooz (9)
- trav-c (8)
- sudoudaisuke (8)
- egut (7)
- randybasrs (6)
- dengmingtong (6)
- gbudge (6)
- cbernander (6)
- bgardner-noggin (5)
- georgealton (5)
- mtschneiders (4)
Top Pull Request Authors
- kddejong (1,370)
- github-actions[bot] (287)
- dependabot[bot] (46)
- PatMyron (14)
- michael-k (6)
- kftsehk (6)
- gbudge (4)
- stampflit (4)
- r-heimann (3)
- benbridts (3)
- kylekluever (2)
- syldyer (2)
- Vandita2020 (2)
- thecodingsysadmin (2)
- joshmarinacci (2)
Top Issue Labels
- enhancement (36)
- v1 (35)
- bug (33)
- new rule (28)
- question (21)
- good first issue (13)
- researching (8)
- spec (7)
- response-requested (6)
- p0 (5)
- wontfix (4)
- p1 (4)
- p2 (2)
- dependencies (1)
- python (1)
Top Pull Request Labels
- dependencies (46)
- v1 (33)
- github_actions (32)
- python (10)
- docker (4)
- bug (2)
- researching (1)
- WIP (1)
Package metadata
- Total packages: 12
-
Total downloads:
- homebrew: 4,183 last-month
- conda: 32,822 total
- pypi: 73,012,245 last-month
- Total docker downloads: 249,993,384
- Total dependent packages: 23 (may contain duplicates)
- Total dependent repositories: 3,189 (may contain duplicates)
- Total versions: 1,155
- Total maintainers: 1
pypi.org: cfn-lint
Checks CloudFormation templates for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/aws-cloudformation/cfn-lint
- Licenses: MIT-0
- Latest release: 1.51.4 (published 17 days ago)
- Last Synced: 2026-06-14T15:19:50.234Z (6 days ago)
- Versions: 463
- Dependent Packages: 20
- Dependent Repositories: 3,157
- Downloads: 73,012,245 Last month
- Docker Downloads: 249,993,384
-
Rankings:
- Downloads: 0.053%
- Dependent repos count: 0.189%
- Docker downloads count: 0.376%
- Dependent packages count: 0.556%
- Average: 0.816%
- Stargazers count: 1.476%
- Forks count: 2.244%
- Maintainers (1)
proxy.golang.org: github.com/aws-cloudformation/cfn-lint
- Homepage:
- Documentation: https://pkg.go.dev/github.com/aws-cloudformation/cfn-lint#section-documentation
- Licenses: mit-0
- Latest release: v1.51.4 (published 17 days ago)
- Last Synced: 2026-06-04T03:32:10.059Z (16 days ago)
- Versions: 444
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent packages count: 6.999%
- Average: 8.173%
- Dependent repos count: 9.346%
formulae.brew.sh: cfn-lint
Validate CloudFormation templates against the CloudFormation spec
- Homepage: https://github.com/aws-cloudformation/cfn-lint/
- Licenses: MIT-0
- Latest release: 1.51.4 (published 9 days ago)
- Last Synced: 2026-06-11T05:47:14.983Z (9 days ago)
- Versions: 193
- Dependent Packages: 2
- Dependent Repositories: 29
- Downloads: 4,183 Last month
-
Rankings:
- Forks count: 4.699%
- Downloads: 6.905%
- Dependent repos count: 7.722%
- Average: 9.68%
- Stargazers count: 10.63%
- Dependent packages count: 18.441%
anaconda.org: cfn-lint
Validate CloudFormation yaml/json templates against the CloudFormation spec and additional checks. Includes checking valid values for resource properties and best practices.
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Licenses: MIT-0
- Latest release: 1.51.2 (published 22 days ago)
- Last Synced: 2026-05-29T08:22:19.417Z (22 days ago)
- Versions: 43
- Dependent Packages: 1
- Dependent Repositories: 3
- Downloads: 32,822 Total
-
Rankings:
- Dependent packages count: 30.652%
- Average: 38.544%
- Dependent repos count: 46.435%
nixpkgs-24.05: python311Packages.cfn-lint
Checks cloudformation for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/NixOS/nixpkgs/blob/nixos-24.05/pkgs/development/python-modules/cfn-lint/default.nix#L77
- Licenses: MIT
- Latest release: 0.86.0 (published 5 months ago)
- Last Synced: 2026-05-08T00:02:17.742Z (about 1 month ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
nixpkgs-24.11: python312Packages.cfn-lint
Checks cloudformation for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/NixOS/nixpkgs/blob/nixos-24.11/pkgs/development/python-modules/cfn-lint/default.nix#L97
- Licenses: MIT
- Latest release: 1.32.1 (published 5 months ago)
- Last Synced: 2026-03-07T15:17:55.301Z (3 months ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
nixpkgs-24.11: python311Packages.cfn-lint
Checks cloudformation for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/NixOS/nixpkgs/blob/nixos-24.11/pkgs/development/python-modules/cfn-lint/default.nix#L97
- Licenses: MIT
- Latest release: 1.32.1 (published 5 months ago)
- Last Synced: 2026-04-20T00:06:49.438Z (2 months ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
nixpkgs-24.05: python312Packages.cfn-lint
Checks cloudformation for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/NixOS/nixpkgs/blob/nixos-24.05/pkgs/development/python-modules/cfn-lint/default.nix#L77
- Licenses: MIT
- Latest release: 0.86.0 (published 5 months ago)
- Last Synced: 2026-03-09T04:05:32.730Z (3 months ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
gentoo-portage: dev-python/cfn-lint
CloudFormation Linter
- Homepage: https://github.com/aws-cloudformation/cfn-lint/
- Documentation: https://packages.gentoo.org/packages/dev-python/cfn-lint
- Licenses: MIT
- Latest release: 1.51.1 (published 29 days ago)
- Last Synced: 2026-05-27T02:20:42.806Z (24 days ago)
- Versions: 3
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
guix: python-cfn-lint
Validate CloudFormation templates
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/packages/python-web.scm#n3150
- Licenses: expat
- Latest release: 1.38.1 (published 4 months ago)
- Last Synced: 2026-04-27T16:39:33.910Z (about 2 months ago)
- Versions: 1
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
nixpkgs-unstable: python314Packages.cfn-lint
Checks cloudformation for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/development/python-modules/cfn-lint/default.nix#L75
- Licenses: MIT
- Latest release: 1.43.3 (published 4 months ago)
- Last Synced: 2026-04-10T19:01:52.491Z (2 months ago)
- Versions: 2
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%
nixpkgs-unstable: python313Packages.cfn-lint
Checks cloudformation for practices and behaviour that could potentially be improved
- Homepage: https://github.com/aws-cloudformation/cfn-lint
- Documentation: https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/development/python-modules/cfn-lint/default.nix#L75
- Licenses: MIT
- Latest release: 1.43.3 (published 4 months ago)
- Last Synced: 2026-03-07T00:32:27.869Z (4 months ago)
- Versions: 2
- Dependent Packages: 0
- Dependent Repositories: 0
-
Rankings:
Dependencies
- actions/checkout v4 composite
- actions/setup-python v4 composite
- peter-evans/create-pull-request v5 composite
- actions/checkout v4 composite
- actions/setup-python v4 composite
- pypa/gh-action-pypi-publish release/v1 composite
- actions/checkout v4 composite
- actions/setup-python v4 composite
- codecov/codecov-action v3.1.4 composite
- pypa/gh-action-pip-audit v1.0.8 composite
- python 3.11-alpine build
- aws-sam-translator >=1.73.0
- jschema_to_python *
- jsonpatch *
- jsonschema >=3.0,<5
- junit-xml *
- networkx >=2.4,<4
- pyyaml >5.4
- regex >=2021.7.1
- sarif-om *
- sympy >=1.0.0