Codex-Claude-Cursor Engineering Loop Skill Core Workflow Philosophy This skill implements a 3-way sequential validation engineering loop: - Claude Code : Architecture and planning, final review - Codex : Plan validation (logic/security), code review (bugs/performance) - Cursor Agent : Code implementation and execution - Sequential Validation : Claude plans → Codex validates → Cursor implements → Codex reviews → Claude final check → repeat Phase 1: Planning with Claude Code 1. Start by creating a detailed plan for the task 2. Break down the implementation into clear steps 3. Document assumptio…