subagent-driven-development
Use when executing implementation plans with independent tasks in the current session - dispatches fresh subagent for each task with code review between tasks, enabling fast iteration with quality gates
super-saiyan
Maximum visual excellence for any UI platform. Use when building user interfaces, styling components, or polishing visual elements.
system-design
Use when designing system architecture, APIs, components, or data models - provides a structured design workflow with validation and documentation outputs.
systematic-debugging
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes - four-phase framework (root cause investigation, pattern analysis, hypothesis testing, implementation) that ensures understanding before attempting solutions
task-orchestration
Use when coordinating complex tasks with orchestration, delegation, or parallel workstreams - provides structured workflows for orchestrate:brainstorm, orchestrate:spawn, and orchestrate:task.
template-skill
A template for creating new skills. Use when initializing a new skill to ensure proper structure and metadata.
terraform-best-practices
Terraform infrastructure-as-code best practices for scalable and maintainable cloud infrastructure. Use when writing Terraform modules, managing infrastructure state, or implementing infrastructure automation at scale.
test-driven-development
Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by requiring failure first
test-generation
Use when generating tests for new or existing code to improve coverage - provides a structured workflow for analyzing code, creating tests, and validating coverage goals.
test-review
Review test quality and audit test coverage for any module. This skill should be used when reviewing existing tests, auditing test gaps, writing new tests, or when asked to assess test health. It pipelines testing standards into the audit workflow to produce a prioritized gap report. The output is a report, not code — do not write test implementations until the report is reviewed.
testing-anti-patterns
Use when writing or changing tests, adding mocks, or tempted to add test-only methods to production code - prevents testing mock behavior, production pollution with test-only methods, and mocking without understanding dependencies
testing-skills-with-subagents
Use when creating or editing skills, before deployment, to verify they work under pressure and resist rationalization - applies RED-GREEN-REFACTOR cycle to process documentation by running baseline without skill, writing to address failures, iterating to close loopholes
threat-modeling-techniques
Threat modeling methodologies using STRIDE, attack trees, and risk assessment for proactive security analysis. Use when designing secure systems, conducting security reviews, or identifying potential attack vectors in applications.
token-efficiency
Compressed communication using symbols and abbreviations. Use when context is limited or brevity is needed.
tool-selection
Use when selecting between MCP tools based on task complexity and requirements - provides a structured selection workflow and decision rationale.
tutorial-design
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typescript-advanced-patterns
Advanced TypeScript patterns for type-safe, maintainable code using sophisticated type system features. Use when building type-safe APIs, implementing complex domain models, or leveraging TypeScript's advanced type capabilities.
ui-design-aesthetics
Generates high-quality, non-generic UI designs with a focus on performance, progressive disclosure, and distinctive aesthetics.
user-journey-mapping
Create comprehensive user journey maps that identify pain points, opportunities, and emotional states across touchpoints. Use when mapping user experiences or analyzing conversion flows.
using-git-worktrees
Use when starting feature work that needs isolation from current workspace or before executing implementation plans - creates isolated git worktrees with smart directory selection and safety verification
using-superpowers
Use when starting any conversation - establishes mandatory workflows for finding and using skills, including using Skill tool before announcing usage, following brainstorming before coding, and creating TodoWrite todos for checklists
ux-review
Multi-perspective UX review combining usability, accessibility, and interaction design analysis.
verification-before-completion
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
vibe-security
This skill helps Claude write secure web applications. Use when working on any web application to ensure security best practices are followed.
visual-modes
Use when activating visual showcase modes (supersaiyan, kamehameha, over9000) for UI or interaction design - provides mode-specific enhancement checklists.
webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Use when verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
workflow-bug-fix
Systematic approach to identifying, fixing, and validating bug fixes. Use when fixing bugs, resolving issues, or addressing errors.
workflow-feature-development
Complete workflow for developing new features from design to deployment. Use when starting a new feature, adding functionality, or building something new.
workflow-feature
Complete feature development workflow from design to deployment. Use when implementing new features or functionality.
workflow-performance
Systematic performance analysis and optimization. Use when things are slow, need optimization, or preparing for scale.
workflow-security-audit
Comprehensive security assessment and remediation. Use for security reviews, compliance checks, vulnerability assessments.
writing-skills
Use when creating new skills, editing existing skills, or verifying skills work before deployment - applies TDD to process documentation by testing with subagents before writing, iterating until bulletproof against rationalization
claude-consult
Consult Claude specialist agents during implementation for codebase understanding, pattern checking, security review, debugging help, and more. Use this skill whenever you're unsure about conventions, stuck on a failure, or need expert input before writing code. Does not replace the formal review gates in agent-loops — this is for mid-implementation consultation.
skill-creator
Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.
skill-installer
Install Codex skills into $CODEX_HOME/skills from a curated list or a GitHub repo path. Use when a user asks to list installable skills, install a curated skill, or install a skill from another repo (including private repos).
accessibility-audit
Fast, high-signal accessibility triage for pages, components, or PRs targeting WCAG 2.2 AA compliance.
agent-loops
Complete operational workflow for implementer agents (Codex, Gemini, etc.) making code changes and writing tests. Drives all work through atomic commits — each loop operates on the smallest complete, reviewable change. Defines the Code Change Loop, Test Writing Loop, Lint Gate, and Issue Filing process with circuit breakers, severity levels, and escalation rules. Requires `cortex git commit` for all commits. Includes bundled provider-aware review scripts that keep same-model shell-outs as the last resort, plus a fresh-context Codex fallback for code review and test audit. Use this skill when starting any implementation task.
backlog-md
Task tracking system for agents via Backlog.md CLI. Use when creating deferred issues during implementation, filing audit findings, working assigned tasks, or managing project work. Optimized for agent workflows: structured issue filing, priority/labeling system, and task completion tracking.
build-optimization
Build system optimization covering compilation, caching, incremental builds, and developer tooling. Use when improving build times, configuring CI pipelines, or designing developer tools.
codanna-codebase-intelligence
Use codanna MCP tools for semantic code search, call graphs, and impact analysis before grep/find.
code-quality-workflow
Use when assessing or improving code quality, maintainability, performance, or security hygiene - provides workflows for analysis, code review, and systematic improvements with validation steps.
codex-code-review
Automate code review remediation loops with the codex CLI. Requests reviews from codex, classifies findings by severity (P0-P4), fixes critical issues (P0/P1) through iterative cycles, defers quality improvements to backlog, and escalates after 3 review cycles. Use when working with code that needs structured remediation: 'codex review' in a request triggers this workflow.
assumption-buster
Flip, remove, or exaggerate assumptions to unlock new solution angles.
brainstorming
Rapid ideation skill adapted from obra/superpowers to kick off cortex sessions. Use when defining scope, aligning on goals, or exploring solution space before coding.
concept-forge
Score concepts on impact/delight/effort and pick a 1-day spike.
executing-plans
Execution discipline skill adapted from obra/superpowers. Ensures plans translate into tracked tasks, orchestration, and verification runs.
idea-lab
Timeboxed divergent ideation that outputs ranked options plus day-one experiments.
mashup
Force-fit patterns from other domains to spark novel concepts.
pre-mortem
Imagine failure first to surface guardrails and feature mitigations.
writing-plans
Structured plan-writing skill adapted from obra/superpowers. Produces actionable plans that map directly to cortex workflows and tasks.
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