The approve plugin implements a pull request approval process that manages the 'approved' label and an approval notification comment.

The assign plugin assigns or requests reviews from users/teams.

The backport validation plugin is used to validate that backports come from merged PRs in a configured upstream repository.

The blockade plugin blocks pull requests from merging if they touch specific files.

The blunderbuss plugin automatically requests reviews from reviewers when a new PR is created.

The branchcleaner plugin automatically deletes source branches for merged PRs between two branches on the same repository.

The bugzilla plugin ensures that pull requests reference a valid Bugzilla bug in their title.

The buildifier plugin runs buildifier on changes made to Bazel files in a PR.

The cat plugin adds a cat image to an issue or PR in response to the `/meow` command.

The cherry-pick-approved plugin helps a defined set of maintainers to approve cherry-picks by using GitHub reviews

Label PRs against a release branch which do not have the `cherry-pick-approved` label with the `do-not-merge/cherry-pick-not-approved` label.

The cherrypick plugin is used for cherrypicking PRs across branches.

The cla plugin manages the application and removal of the 'cncf-cla' prefixed labels on pull requests as a reaction to the EasyCLA github status context.

The config-updater plugin automatically redeploys configuration and plugin configuration files when they change.

The dco plugin checks pull request commits for 'DCO sign off' and maintains the 'dco' status context, as well as the 'dco' label.

The dog plugin adds a dog image to an issue or PR in response to the `/woof` command.

The golint plugin runs golint on changes made to *.

The goose plugin adds a goose image to an issue or PR in response to the `/honk` command.

The heart plugin celebrates certain GitHub actions with the reaction emojis.

The help plugin provides commands that add or remove the 'help wanted' and the 'good first issue' labels from issues.

The hold plugin allows anyone to add or remove the 'do-not-merge/hold' Label from a pull request in order to temporarily prevent the PR from merging without withholding approval.

The invalidcommitmsg plugin applies the 'do-not-merge/invalid-commit-message' label to pull requests whose commit messages and titles contain @ mentions or keywords which can automatically close issues.

The Jira plugin links Pull Requests and Issues to Jira issues

The label plugin provides commands that add or remove certain types of labels.

The lgtm plugin manages the application and removal of the 'lgtm' (Looks Good To Me) label which is typically used to gate merging.

Close, reopen, flag and/or unflag an issue or PR as frozen/stale/rotten

The merge-method-comment plugin adds a comment on how to request a different-from-default merge method to PRs with more than 1 commit

The merge commit blocker plugin adds the do-not-merge/contains-merge-commits label to pull requests that contain merge commits

The milestone plugin allows members of a configurable GitHub team to set the milestone on an issue or pull request.

The milestoneapplier plugin automatically applies the configured milestone for the base branch after a PR is merged.

The milestonestatus plugin allows members of the milestone maintainers GitHub team to specify the 'status/*' label that should apply to a pull request.

The multi-pr-prow-plugin triggers the requested test against source(s) built from the origin PR and the requested additional PRs

The needs-rebase plugin manages the 'needs-rebase' label by removing it from Pull Requests that are mergeable and adding it to those which are not.

The override plugin allows repo admins to force a github status context to pass

The owners-label plugin automatically adds labels to PRs based on the files they touch.

The payload-testing plugin triggers a run of specified release qualification jobs against PR code

The pj-rehearse plugin is used to rehearse changes to affected job configurations.

The pj-rehearse plugin is used to rehearse changes to affected job configurations.

The pony plugin adds a pony image to an issue or PR in response to the `/pony` command.

The project plugin allows members of a GitHub team to set the project and column on an issue or pull request.

The project-manager plugin automatically adds Pull Requests to specified GitHub Project Columns, if the label on the PR matches with configured project and the column.

The publicize plugin is used for merging and push the commit history to a configured upstream repository.

The refresh plugin is used for refreshing status contexts in PRs.

The releasenote plugin implements a release note process that uses a markdown 'release-note' code block to associate a release note with a pull request.

The require-matching-label plugin is a configurable plugin that applies a label to issues and/or PRs that do not have any labels matching a regular expression.

The retitle plugin allows users to re-title pull requests and issues where GitHub permissions don't allow them to.

¯\_(ツ)_/¯

The sigmention plugin responds to SIG (Special Interest Group) GitHub team mentions like '@kubernetes/sig-testing-bugs'.

The size plugin manages the 'size/*' labels, maintaining the appropriate label on each pull request as it is updated.

The skip plugin allows users to clean up GitHub stale commit statuses for non-blocking jobs on a PR.

The slackevents plugin reacts to various GitHub events by commenting in Slack channels.

Label the stage of an issue as alpha/beta/stable

The testfreeze plugin adds additional documentation about cherry-picks during the Test Freeze period.

The transfer-issue plugin transfers a GitHub issue from one repo to another in the same organization.

The trick-or-treat plugin adds a candy image to an issue or PR in response to the `/trick-or-treat` command.

The trigger plugin starts jobs in reaction to various events.

The verify-owners plugin validates OWNERS and OWNERS_ALIASES files (by default) and ensures that they always contain collaborators of the org, if they are modified in a PR.

The welcome plugin greets incoming PRs with a welcoming message.

The wip (Work In Progress) plugin applies the 'do-not-merge/work-in-progress' Label to pull requests whose title starts with 'WIP' or are in the 'draft' stage, and removes it from pull requests when they remove the title prefix or become ready for review.

The yuks plugin comments with jokes in response to the `/joke` command.