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REST API design decisions — URL conventions, error contracts, versioning, pagination, idempotency, auth patterns.

API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.

Orchestrate full-stack application scaffolding — determine project type, select tech stack, coordinate agents, scaffold structure.

Project scaffolding templates for new applications. Use when creating new projects from scratch. Contains 12 templates for various tech stacks.

Specialized skill for Python backend development using FastAPI, SQLAlchemy, and Pydantic.

Automates end-to-end and system validation tests. Runs services via Docker, feeds inputs, executes scenarios, and verifies outputs.

Interactive project planning skill. Collects context, asks clarifying questions, selects rules/skills/workflows, and produces an execution-ready plan.

Design and implement REST APIs with consistent conventions, versioning, error contracts, and security.

Design and implement async task queues, message consumers, and background job patterns.

Design reusable React components with compound patterns, controlled/uncontrolled hybrids, typed prop APIs, async state handling, and ARIA accessibility. Use when the user creates, refactors, or reviews React components, or mentions props, hooks, .tsx files, component APIs, or accessible UI patterns.

Structure CSS/Tailwind for maintainability — tokens, BEM naming, specificity control, responsive patterns.

Design relational schemas, write efficient queries, plan indexes, and implement safe migrations.

Core development tools used across any project — git, docker, make, CI/CD, linting, formatting, pre-commit hooks.

Implement structured logging, distributed tracing, and metrics for production-ready backend services.

Systematic backend debugging — reproduce, isolate root cause, implement fix with regression test.