Skill Claude CodeCodex
Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.
Skill Claude CodeCodex
Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X doing Y for Slack.".
Skill Claude CodeCodex
Architecture design patterns, ADR templates, and quality rules. Use when SA needs to design systems, review code architecture, or write ADRs.
Skill Claude CodeCodex
Sprint planning guide. Use when PM needs to break down tasks, estimate effort, prioritize backlog for the next development cycle.
Skill Claude CodeCodex
Patterns for coordinating work delegation in multi-agent teams. Covers sequential and parallel task dispatch, review checkpoints, and quality gates.
Skill Claude CodeCodex
RESERVED — Future SA role. Guide for system-level design including architecture diagrams, component boundaries, API contracts, and scalability considerations.
Skill Claude CodeCodex
Communication rules within a team (email, meetings). Use when the agent needs to send an email, join a meeting, or report a result. Tools: sendemail, createmeeting.
Skill Claude CodeCodex
Team member roster, expertise, tools, and coordination guide. Read this skill to know who to ask for help and what they can do.
Skill Claude CodeCodex
Guide for using the execute tool to run shell commands in workspace. Use when agent needs to: build/test code, run scripts, check system status, install dependencies, or execute deployment commands.
Skill Claude CodeCodex
Write tests first, watch them fail, then write minimal code to pass. Use for all new features and bug fixes.
Skill Claude CodeCodex
Systematically identify and fix failing tests using smart error grouping. Use when tests are failing and need to be fixed.
Skill Claude CodeCodex
Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.
Skill Claude CodeCodex
RESERVED — Future Designer role. Guide for UI/UX design principles, wireframing, accessibility, and visual consistency.
Skill Claude CodeCodex
User profile facts: location (Gia Lam, Hanoi), gender (male), age (30). Use this to personalise answers about weather, maps, distances, and to pick the right form of address. The user's preferred language is Vietnamese — reply in Vietnamese unless they switch.
Skill Claude CodeCodex
Completion checklist for any task. Use when QE needs to verify fixes, or any role needs to ensure a task is truly complete.
Skill Claude CodeCodex
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
Skill Claude CodeCodex
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
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: