Skill Claude CodeCodex
Use when the user asks deep philosophical, cognitive, ethical, or interdisciplinary questions. Bridges science and humanities using analytic philosophy, evolutionary biology, and physics. Strictly enforces logical rigor, denoises cultural metaphors, and outputs dense, paragraph-based academic prose.
Skill Claude CodeCodex
Generate, edit, and read PowerPoint presentations. Create from scratch with PptxGenJS (cover, TOC, content, section divider, summary slides), edit existing PPTX via XML workflows, or extract text with markitdown. Triggers: PPT, PPTX, PowerPoint, presentation, slide, deck, slides.
Skill Claude CodeCodex
Use when the user provides raw interviews, meeting notes, or scattered product requirements and needs a developer-friendly requirement and architecture report, optionally with issue-shaped implementation briefs. Prioritizes entities, state machines, vertical slices, edge cases, and plain language.
Skill Claude CodeCodex
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.
Skill Claude CodeCodex
Use when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies.
Skill Claude CodeCodex
Use when you have a written implementation plan to execute in a separate session with review checkpoints.
Skill Claude CodeCodex
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup.
Skill Claude CodeCodex
Use when executing implementation plans with independent tasks in the current session.
Skill Claude CodeCodex
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.
Skill Claude CodeCodex
Use when implementing any feature or bugfix, before writing implementation code.
Skill Claude CodeCodex
Use when starting feature work that needs isolation from current workspace or before executing implementation plans - ensures an isolated workspace exists via native tools or git worktree fallback.
Skill Claude CodeCodex
Use when starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before ANY response including clarifying questions.
Skill Claude CodeCodex
Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims; evidence before assertions always.
Skill Claude CodeCodex
Use when you have a spec or requirements for a multi-step task, before touching code.
Skill Claude CodeCodex
Use when creating new skills, editing existing skills, or verifying skills work before deployment.
Skill Claude CodeCodex
Use when writing, reviewing, pruning, or refactoring tests and there is risk of low-value tests, implementation-detail assertions, over-mocking, redundant coverage, brittle setup, or tests that do not protect a real public contract.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: