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Found 1,499 Skills
Use when creating new skills, editing existing skills, or verifying if skills are valid before deployment
Enforce the no-useEffect rule when writing or reviewing React code. ACTIVATE when writing React components, refactoring existing useEffect calls, reviewing PRs with useEffect, or when an agent adds useEffect "just in case." Provides the five replacement patterns and the useMountEffect escape hatch.
Use this before claiming work is complete, fixed, or tested—before committing or creating a PR—you must run validation commands and confirm the output before claiming success; always back up assertions with evidence
Generate ultra-compact commit messages. Follows the Conventional Commits format with subject ≤50 characters, prioritizing "why" over "what". Supports both Japanese and English. Trigger with "Make a commit message", "/commit", or "/genshijin-commit". Auto-trigger candidate when staging changes.
Master end-to-end testing to build reliable test suites that catch bugs, improve confidence, and enable fast deployment. Use when implementing E2E tests, debugging flaky tests, or establishing testing standards.
Write high-quality Vue 3 composables following established patterns and best practices. Use when creating new composables, refactoring existing ones, or reviewing composable code. Triggers include requests to "create a composable", "write a use* function", "extract logic into a composable", or any Vue Composition API reusable logic task.
Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, asks for test-first development, or wants stronger integration tests.
Create optimized Docker containers with multi-stage builds, security best practices, and minimal image sizes. Use when containerizing applications, creating Dockerfiles, optimizing container images, or setting up Docker Compose services.
AWS CloudFormation patterns for ECS clusters, services, and task definitions. Use when creating ECS infrastructure with CloudFormation, configuring container definitions, scaling policies, service discovery, load balancing integration, and implementing template structure with Parameters, Outputs, Mappings, Conditions, cross-stack references, and blue/green deployments with CodeDeploy.
You are a PR optimization expert specializing in creating high-quality pull requests that facilitate efficient code reviews. Generate comprehensive PR descriptions, automate review processes, and ensu
Create and manage database migrations safely with rollback support. Use when modifying database schema, adding indexes, or managing database changes.
Design RESTful API endpoints with proper resource modeling, HTTP methods, and URL structure. Use when creating REST APIs, designing endpoints, or structuring API resources.