OpenAI Codex CLI integration with focused skills for web search, plan review, code review, and codebase analysis
/plugin marketplace add robbyt/claude-skills
/plugin install codex@robbyt/claude-skills
Codebase analysis using Codex CLI with read-only sandbox. Trigger when user needs architecture overview ("analyze this codebase with Codex", "have Codex map dependencies"), onboarding to unfamiliar code, understanding legacy systems, or identifying technical debt.
Get Codex's code review of git changes after Claude makes edits. Trigger when user wants a second opinion on code changes ("have Codex review my changes", "get code review from Codex", "review this diff with Codex"), or as a final check before committing.
Get Codex's review of Claude's implementation plans. Trigger when user wants a second opinion on a plan ("have Codex review this plan", "get second opinion from Codex", "critique this plan with Codex"), or after Claude creates a plan file that needs validation before implementation.
Real-time web research using Codex CLI's search capability. Trigger when user needs current information ("search with Codex", "find current info about X", "what's the latest on Y"), library/API research, security vulnerability lookups, or comparisons requiring recent data.
Migrate your code and prompts from Sonnet 4.x and Opus 4.1 to Opus 4.5.
Frontend design skill for UI/UX implementation
Adds educational insights about implementation choices and codebase patterns (mimics the deprecated Explanatory output style)
Easily create hooks to prevent unwanted behaviors by analyzing conversation patterns