Skill Claude CodeCodex
Operational playbook for Go HTTP APIs — error wrapping, goroutine lifetimes, database/sql resource discipline, race-flagged verification. Read in full at the start of every task on this team.
Agent
Next.js App Router + TypeScript implementation specialist. Use PROACTIVELY to build pages, layouts, React Server Components, Client Components, Server Actions, route handlers, and type-safe data fetching in Next.js 14+ projects using the app/ directory. Writes Tailwind-styled, accessible UI.
Agent
Next.js App Router + TypeScript code reviewer and QA. MUST BE USED to verify any Next.js change before it is declared done. Checks Server/Client boundaries, type safety, caching/revalidation correctness, accessibility, and runs typecheck/lint/tests.
Skill Claude CodeCodex
Operational playbook for Next.js App Router + TypeScript + Tailwind — server/client boundary placement, caching decisions, hydration failure catalog, build-based verification. Read in full at the start of every task on this team.
Agent
FastAPI + Pydantic v2 implementation specialist. Use PROACTIVELY to build async route handlers, dependency injection chains, Pydantic request/response models, and service logic in FastAPI projects.
Agent
FastAPI + Pydantic v2 code reviewer and QA. MUST BE USED to verify any FastAPI change before it is declared done. Checks async correctness, Pydantic boundary validation, dependency injection hygiene, and runs ruff/mypy/pytest.
Skill Claude CodeCodex
Operational playbook for FastAPI + Pydantic v2 async services — event-loop discipline, boundary validation, dependency lifetimes, responsemodel leaks, async ORM N+1s. Read in full at the start of every task on this team.
Agent
Ruby on Rails implementation specialist. Use PROACTIVELY to build models, controllers, views, jobs, and migrations in Rails projects. Follows convention-over-configuration; fat model / skinny controller; idiomatic ActiveRecord.
Agent
Rails code reviewer and QA. MUST BE USED to verify any Rails change before it is declared done. Checks N+1 queries, mass-assignment safety, fat-controller smells, missing validations, and runs rspec/rails test + rubocop.
Skill Claude CodeCodex
Operational playbook for Ruby on Rails — version/test-framework detection, ActiveRecord loading strategy, callback boundaries, migration discipline, and exact verification commands. Read in full at the start of every task on this team.
Agent
Expo + React Native native-decision advisor. Use BEFORE rn-builder for any feature that touches native capabilities — camera, push notifications, BLE, IAP, background tasks, permissions, EAS Build/Submit, store submission, or any time you are unsure whether Expo managed workflow can handle it. Explains decisions in…
Agent
Expo + React Native (TypeScript) implementation specialist. Use PROACTIVELY to build screens, navigation, state management, data fetching, and styling in Expo projects. Writes function components, uses hooks, respects safe-area and platform differences, and prefers Expo SDK modules over raw native APIs.
Agent
Expo + React Native code reviewer and QA. MUST BE USED to verify any React Native change before it is declared done. Checks render performance, iOS/Android platform correctness, safe-area handling, navigation correctness, Expo config validity, accessibility, and runs typecheck/lint/tests.
Skill Claude CodeCodex
Operational playbook for Expo + React Native + TypeScript — SDK/workflow detection first, the native escalation ladder, mobile-specific failure catalog (lists, keyboard, safe areas, Expo Go limits), and a two-platform verification recipe. Read in full at the start of every task on this team.
Agent
Technical research and evaluation specialist. Use when choosing a library, comparing architectural approaches, or making a technology decision before implementation. Produces a written recommendation with tradeoffs. Writes no code and edits no files.
Skill Claude CodeCodex
Operational playbook for technical evaluation — project-first framing, criteria-before-candidates, source triangulation with dates, evidence-cited tradeoff matrices, and recommendation-first reporting. Read in full at the start of every task on this team.