Claude skills and agent skills

GitHubSkill

localizations

github/dev-days/.github/skills/localizations/SKILL.md

A skill that localizes contents into given locales.

GitHubSkill

actionlint

github/actions-migrations-via-copilot/plugin/skills/actionlint/SKILL.md

Install, run, and fix errors from actionlint — the GitHub Actions workflow linter. Load when validating `.github/workflows/*.yml` files after migration or generation.

GitHubSkill

azure-devops-migration

github/actions-migrations-via-copilot/plugin/skills/azure-devops-migration/SKILL.md

Azure DevOps migration to GitHub Actions — syntax mappings and the migration report template for YAML pipelines, templates, variable groups, service connections, deployment jobs, stages, conditional logic. Load with `migration-core` when migrating Azure DevOps sources to GitHub Actions.

GitHubSkill

bamboo-migration

github/actions-migrations-via-copilot/plugin/skills/bamboo-migration/SKILL.md

Bamboo migration to GitHub Actions — syntax mappings and the migration report template for Build plans, deployment projects, tasks, requirements, variables, plan branches. Load with `migration-core` when migrating Bamboo sources to GitHub Actions.

GitHubSkill

bitbucket-migration

github/actions-migrations-via-copilot/plugin/skills/bitbucket-migration/SKILL.md

Bitbucket Pipelines migration to GitHub Actions — syntax mappings and the migration report template for Pipelines, Pipes, parallel steps, branch/pull-request workflows, deployments, variables. Load with `migration-core` when migrating Bitbucket Pipelines sources to GitHub Actions.

GitHubSkill

circleci-migration

github/actions-migrations-via-copilot/plugin/skills/circleci-migration/SKILL.md

CircleCI migration to GitHub Actions — syntax mappings and the migration report template for Workflows, jobs, Orbs, executors, contexts, parameters, matrix jobs, approval gates. Load with `migration-core` when migrating CircleCI sources to GitHub Actions.

GitHubSkill

droneci-migration

github/actions-migrations-via-copilot/plugin/skills/droneci-migration/SKILL.md

Drone CI migration to GitHub Actions — syntax mappings and the migration report template for Pipelines, plugins, services, secrets, triggers, multi-platform pipelines. Load with `migration-core` when migrating Drone CI sources to GitHub Actions.

GitHubSkill

gitlab-migration

github/actions-migrations-via-copilot/plugin/skills/gitlab-migration/SKILL.md

GitLab CI migration to GitHub Actions — syntax mappings and the migration report template for Pipelines, includes, Pages, environments, rules/only/except, parallel jobs, GitLab-specific variables. Load with `migration-core` when migrating GitLab CI sources to GitHub Actions.

GitHubSkill

jenkins-migration

github/actions-migrations-via-copilot/plugin/skills/jenkins-migration/SKILL.md

Jenkins migration to GitHub Actions — syntax mappings and the migration report template for Pipelines (declarative + scripted), shared libraries, Groovy scripts, credential bindings, agent labels, parallel stages, plugin replacements. Load with `migration-core` when migrating Jenkins sources to GitHub Actions.

GitHubSkill

migration-core

github/actions-migrations-via-copilot/plugin/skills/migration-core/SKILL.md

5-phase migration process, security guardrails, deliverables, archival protocol, and the 10-item completion checklist for any CI/CD migration to GitHub Actions. Load at the start of every migration.

GitHubSkill

reusable-workflow-patterns

github/actions-migrations-via-copilot/plugin/skills/reusable-workflow-patterns/SKILL.md

Catalog of common CI/CD patterns (build, test, deploy, security, quality), scan scope resolution (org-wide or specific repos), the reusable workflow template, selection criteria, and usage-documentation template. Load when detecting recurring CI/CD patterns across GitHub orgs and/or repositories to generate standardized `reusable-*.yml` workflows with corresponding `docs/<name>-usage.md` files.

GitHubSkill

travisci-migration

github/actions-migrations-via-copilot/plugin/skills/travisci-migration/SKILL.md

Travis CI migration to GitHub Actions — syntax mappings and the migration report template for Build matrix (language/env/os), deploy providers, before/after hooks, stages, conditions. Load with `migration-core` when migrating Travis CI sources to GitHub Actions.

GitHubSkill

documentation-coverage

github/copilot-sdk-java/.github/skills/documentation-coverage/SKILL.md

Assess whether the documentation in src/site/markdown/ adequately covers the Java SDK functionality.

GitHubSkill

editorial-review

github/github-well-architected/.github/skills/editorial-review/SKILL.md

Review and refine GitHub Well-Architected Framework (WAF) documentation under the content/ folder for clarity, precision, consistency, and publication readiness. Use this when reviewing pull requests, markdown files, or draft content in content/ to ensure guidance is unambiguous, readable, and aligned with editorial standards.

GitHubReads credentialsSkill

technical-writing-review

github/github-well-architected/.github/skills/technical-writing-review/SKILL.md

Validate and improve GitHub Well-Architected Framework (WAF) documentation under the content/ folder for architectural correctness, decision quality, explicit trade-offs, and actionable guidance. Use this when reviewing pull requests, markdown files, or draft content in content/ to ensure recommendations are technically sound, context-aware, and guide readers toward correct architecture and design decisions.

GitHubSkill

agentic-workflows

github/gh-aw-actions/.github/skills/agentic-workflows/SKILL.md

Route gh-aw design, creation, diagnosis, patching, active debugging, and upgrade requests to the right strategies.

Often used withagentic-workflow-designer

GitHubDeletes or force-pushesSkill

git-workflow

github/copilot-billing-preview/.github/skills/git-workflow/SKILL.md

Handles git workflow: creating branches, atomic commits with conventional prefixes, PR creation with structured summaries, keeping PR descriptions updated on follow-up pushes, and post-merge cleanup. Use when the user asks to commit, create or update a PR, push changes, address PR feedback, or says a PR was merged.

Often used withsquad-commands·ci-cd-pipelines

GitHubSkill

speckit-artifact

github/spec-kit-copilot/skills/speckit-artifact/SKILL.md

Inspect the effective Spec Kit artifact inventory and composition stacks via `specify artifact`. USE FOR: listing commands/templates/scripts/hooks, explaining which preset or extension layer supplies an artifact, inspecting resolution precedence and hidden layers, checking hook registration, or resolving a stack lookupId to its validated contribution. DO NOT USE FOR: installing or changing presets/extensions (use speckit-preset or speckit-extension), resolving only a preset-managed filename (use speckit-preset), or running an artifact.

GitHubSkill

speckit-bundle

github/spec-kit-copilot/skills/speckit-bundle/SKILL.md

Discover, install, and author Spec Kit bundles via `specify bundle`. USE FOR: searching/showing/listing bundles, installing/updating/removing a bundle (a curated set of extensions/presets/integrations/workflows), validating a bundle manifest, building a distributable bundle artifact, initializing a project and installing a bundle, managing bundle catalog sources. DO NOT USE FOR: individual extensions/presets/workflows (use their respective skills), or individual integrations.

GitHubSkill

speckit-check

github/spec-kit-copilot/skills/speckit-check/SKILL.md

Check the local environment for Spec Kit by running `specify check` (and `specify version`). USE FOR: verifying required tools are installed, diagnosing a broken spec-kit setup, reporting CLI version/feature capabilities. DO NOT USE FOR: installing or upgrading the CLI itself (use speckit-cli-setup to install or speckit-self to upgrade).