Testing skills

This skill enforces inductive invariants at boundary points to prevent impossible states and improve reliability across systems.

This skill refines an existing Codex skill using minimal diffs and quick validation to improve reliability and triggers.

This skill captures evidence-backed execution learnings and persists them as JSONL in .learnings.jsonl for reuse in future turns.

This skill aggressively improves latency, throughput, and memory usage by profiling, measuring, and applying safe algorithmic optimizations with guards.

This skill analyzes an organization's security posture by evaluating headers, CSP, HSTS, security.txt, and email security signals to identify gaps.

This skill coordinates pentest activities, deploying specialized agents, aggregating findings, and generating comprehensive reports to streamline engagement

This skill helps you understand the project-docs structure, models, and CLI workflows to accelerate integration and debugging across the codebase.

This skill guides you through a complete OpenSpec workflow in your codebase, teaching by doing real tasks and explaining every step.

This skill helps you design and analyze shell benchmarks, delivering actionable performance insights and target validation.

This skill guides ARKit on visionOS setup, authorization, data providers, anchors, and RealityKit integration for immersive spatial apps.

This skill provides expert guidance to design, test, and optimize the unix-goto navigation tool with high performance and full test coverage.

This skill helps you implement dbt data transformation pipelines with modular models, tests, documentation, and production workflows to improve data quality.

This skill guides building, testing, and deploying robust CI/CD pipelines with GitHub Actions, automating patterns, and optimizing release management.

This skill helps you interact with the Swagger Petstore OpenAPI 3.0, enabling efficient API exploration and operation details for rapid integration.

This skill helps you master Python testing with pytest, enabling reliable fixtures, parametrization, mocking, and scalable test organization.

This skill guides building production-ready microservices with FastAPI, covering REST design, async patterns, dependency injection, testing, and deployment.

This skill helps you design, implement, and optimize production-grade GraphQL APIs with schemas, resolvers, auth, caching, and deployment best practices.

This skill enables thorough bash shell script testing with 100% coverage, structured categories, and performance validation to improve reliability.

This skill enables fast browser automation and visual regression testing with Playwright MCP to validate UI consistency across browsers.

This skill helps you design user-centered interfaces, conduct research, and measure UX outcomes to improve accessibility and task flow.

This skill enforces completion gates by verifying all work before closing tasks or phases, ensuring nothing is forgotten.