Agent Skills: agents-sdk-dev

Unified agent application scaffolding across 5 harnesses: Anthropic, Cursor, OpenAI, OpenCode, and Pi. Interactive project generator with live SDK docs, per-harness code patterns, and built-in verification. Use when someone says \"create an agent app\", \"new SDK project\", \"build with [harness] SDK\", \"scaffold agent\", or wants to verify an existing agent setup.