Skill Claude CodeCodex
Design, change, or review an HTTP/JSON API surface — endpoints, request/response shapes, authentication and authorization, pagination, idempotency, rate limits, versioning, and deprecations. Use when adding or modifying an HTTP endpoint, reviewing an OpenAPI spec or HTTP route diff, or deciding whether an HTTP API…
Skill Claude CodeCodex
Evidence-first development — surround the implementation with an executable spec and a gauntlet of constraints (tests, types, coverage, mutation) so line-by-line review becomes optional. Use when the user explicitly asks for high-assurance or evidence-first work ("reliable", "TDD", "prove it works", "I won't read the…
Skill Claude CodeCodex
Make product promo videos in the Claude video team style — terracotta canvas, macOS terminal window, animated Claude Code session — with Remotion. Use when the user asks for a product/feature promo, launch video, terminal demo video, or a "Claude-style" video.