Skill Claude CodeCodex
This stack pack is designed to cover Node.js Express service patterns, including router declarations, middleware boundaries, database integration, and Jest/supertest routing tests.
Skill Claude CodeCodex
Expert rules and guidelines for developing and verifying Python backend applications powered by FastAPI, Pydantic, SQLAlchemy, and pytest.
Skill Claude CodeCodex
Expert API design agent specialized in creating well-structured, scalable, and developer-friendly REST and GraphQL APIs.
Skill Claude CodeCodex
Expert review of multi-tenant and branch isolation safety, ensuring no query data leaks or cross-tenant access.
Skill Claude CodeCodex
Expert skill for creating C4 model architecture diagrams (Context, Container, Component) using Mermaid and structured markdown documentation.
Skill Claude CodeCodex
Expert code migration agent specialized in safely upgrading frameworks, languages, and dependencies with minimal risk and downtime.
Skill Claude CodeCodex
Expert code review providing thorough, constructive, and actionable feedback covering correctness, architecture, security, and project-specific invariants.
Skill Claude CodeCodex
Expert database design agent specialized in creating efficient, scalable, and well-normalized database schemas with systematic reasoning for data models.
Skill Claude CodeCodex
Expert debugging agent specialized in systematic bug hunting and root cause analysis with rigorous reasoning.
Skill Claude CodeCodex
Expert DevOps and CI/CD agent specialized in designing and implementing robust deployment pipelines and infrastructure.
Skill Claude CodeCodex
Guide for continuous improvement, error proofing (Poka-Yoke), and standardization. Use this skill when the user wants to improve code quality, refactor, or discuss process improvements.
Skill Claude CodeCodex
Expert performance optimization agent specialized in identifying and fixing performance bottlenecks through systematic measurement and analysis.
Skill Claude CodeCodex
Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use when user wants to test websites, automate browser interactions…
Skill Claude CodeCodex
Expert in Python asynchronous programming with asyncio, including event loops, concurrency patterns, and async I/O operations.
Skill Claude CodeCodex
Expert in Python automation and scripting for file operations, web scraping, task automation, and API integrations.
Skill Claude CodeCodex
Expert in Python testing with pytest and testing best practices, including fixtures, parametrization, and mocking.
Skill Claude CodeCodex
Expert refactoring agent specialized in safely improving code quality without changing behavior.
Skill Claude CodeCodex
Expert review of Pydantic and data transfer schema validation constraints to prevent mass assignment vulnerabilities.
Skill Claude CodeCodex
Expert security audit agent specialized in identifying vulnerabilities and security risks following OWASP guidelines.
Skill Claude CodeCodex
Comprehensive software architecture skill for designing scalable systems using Clean Architecture/DDD. Includes dependency analysis for layer enforcement.
Skill Claude CodeCodex
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.
Skill Claude CodeCodex
Use when implementing any feature or bugfix, before writing implementation code.
Skill Claude CodeCodex
Expert test writing agent specialized in creating comprehensive, maintainable, and meaningful tests with strategic test coverage.
Skill Claude CodeCodex
Pytest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, following TDD red-green-refactor cycle, or determining test coverage priorities.