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doc-maintenance

Systematic documentation audit and maintenance. This skill should be used when documentation may be stale, missing, or misorganized — after feature work, refactors, dependency upgrades, or as a periodic health check. It prescribes folder structure for docs/ and manual/, dispatches haiku subagents for codebase/doc scanning, and routes doc creation to specialized agents (reference-builder, technical-writer, learning-guide) with docs-architect as quality gate.

NickCrew
NickCrew
3115

task-orchestration

Use when coordinating complex tasks with orchestration, delegation, or parallel workstreams - provides structured workflows for orchestrate:brainstorm, orchestrate:spawn, and orchestrate:task.

NickCrew
NickCrew
3115

template-skill

A template for creating new skills. Use when initializing a new skill to ensure proper structure and metadata.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

token-efficiency

Compressed communication using symbols and abbreviations. Use when context is limited or brevity is needed.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

ui-design-aesthetics

Generates high-quality, non-generic UI designs with a focus on performance, progressive disclosure, and distinctive aesthetics.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

canvas-design

Create beautiful visual art in .png and .pdf documents using design philosophy. Use when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

ux-review

Multi-perspective UX review combining usability heuristics, WCAG accessibility checks, and interaction design analysis. Use when reviewing UI components before release, evaluating user flows for usability issues, conducting design critiques, or auditing accessibility compliance.

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

vibe-security

Comprehensive secure coding guide covering OWASP web vulnerabilities with prevention patterns and checklists. Use when writing or reviewing web application code to prevent XSS, CSRF, SSRF, SQL injection, access control flaws, and other common security vulnerabilities.

NickCrew
NickCrew
3115

visual-modes

Use when activating visual showcase modes (supersaiyan, kamehameha, over9000) for UI or interaction design - provides mode-specific enhancement checklists.

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

tool-selection

Use when selecting between MCP tools based on task complexity and requirements - provides a structured selection workflow and decision rationale.

NickCrew
NickCrew
3115

tutorial-design

Design and write hands-on tutorials with progressive disclosure, exercises, and troubleshooting sections. Use when creating learning content, workshops, or step-by-step guides.

NickCrew
NickCrew
3115

git-ops

Use when performing git operations or generating smart commit messages - provides safe git workflow guidance, validation checks, and conventional commit formatting.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

owasp-top-10

OWASP Top 10 security vulnerabilities with detection and remediation patterns. Use when conducting security audits, implementing secure coding practices, or reviewing code for common security vulnerabilities.

NickCrew
NickCrew
3115

microservices-patterns

Comprehensive microservices architecture patterns covering service decomposition, communication, data management, and resilience strategies. Use when designing distributed systems, breaking down monoliths, or implementing service-to-service communication.

NickCrew
NickCrew
3115

api-gateway-patterns

API Gateway patterns for routing, authentication, rate limiting, and service composition in microservices architectures. Use when implementing API gateways, building BFF layers, or managing service-to-service communication at scale.

NickCrew
NickCrew
3115

multi-llm-consult

Consult external LLMs (Gemini, OpenAI/Codex, Qwen) for second opinions, alternative plans, independent reviews, or delegated tasks. Use when a user asks for another model's perspective, wants to compare answers, or requests delegating a subtask to Gemini/Codex/Qwen.

NickCrew
NickCrew
3115

openapi-specification

OpenAPI 3.x specification design, schema patterns, and validation for REST API contracts. Use when creating or maintaining API specifications, generating documentation, or validating API contracts.

NickCrew
NickCrew
3115

multi-perspective-analysis

Adopt multiple expert personas sequentially for complex problem analysis from diverse perspectives. Single-agent only — do NOT spawn sub-agents.

NickCrew
NickCrew
3115

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.

NickCrew
NickCrew
3115

receiving-code-review

Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation

NickCrew
NickCrew
3115

async-python-patterns

Python asyncio and concurrent programming patterns for high-performance applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-blocking operations.

NickCrew
NickCrew
3115

release-prep

Use when preparing a production release or release candidate - provides a checklist-driven workflow for validation, versioning, build optimization, documentation updates, and deployment readiness.

NickCrew
NickCrew
3115

quality-audit

Meta-skill for auditing and validating skill quality. Use when reviewing skills for consistency, completeness, accuracy, and adherence to standards. Provides structured rubrics, scoring frameworks, and actionable recommendations.

NickCrew
NickCrew
3115

requirements-discovery

Stakeholder interviews, PRD structure, and scope definition for software requirements elicitation. Use when gathering requirements, defining project scope, or structuring product requirement documents.

NickCrew
NickCrew
3115

research-methodology

Structured research using sophisticated query design, source vetting, and synthesis techniques. Use when conducting competitive analysis, market scans, historical investigations, or trend research.

NickCrew
NickCrew
3115

root-cause-tracing

Use when errors occur deep in execution and you need to trace back to find the original trigger - systematically traces bugs backward through call stack, adding instrumentation when needed, to identify source of invalid data or incorrect behavior

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

secure-coding-practices

Secure coding practices and defensive programming patterns for building security-first applications. Use when implementing authentication, handling user input, managing sensitive data, or conducting secure code reviews.

NickCrew
NickCrew
3115

system-design

Use when designing system architecture, APIs, components, or data models - provides a structured design workflow with validation and documentation outputs.

NickCrew
NickCrew
3115

super-saiyan

Maximum visual excellence for any UI platform. Use when building user interfaces, styling components, or polishing visual elements.

NickCrew
NickCrew
3115

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

NickCrew
NickCrew
3115

reasoning-controls

Use when adjusting reasoning depth, budgets, or metrics visibility - provides guidance for selecting and applying reasoning controls safely.

NickCrew
NickCrew
3115

socratic-questioning

Guide discovery through questioning techniques and pattern recognition for Clean Code, GoF design patterns, and architectural decisions. Use when coaching developers, facilitating design discussions, or helping teams discover solutions.

NickCrew
NickCrew
3115

skill-creator

Guide for creating effective skills. Use when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

NickCrew
NickCrew
3115

sharing-skills

Use when you've developed a broadly useful skill and want to contribute it upstream via pull request - guides process of branching, committing, pushing, and creating PR to contribute skills back to upstream repository

NickCrew
NickCrew
3115

session-management

Use when loading, saving, or reflecting on session context - provides structured workflows for session lifecycle management and reflection outputs.

NickCrew
NickCrew
3115

security-testing-patterns

Security testing patterns including SAST, DAST, penetration testing, and vulnerability assessment techniques. Use when implementing security testing pipelines, conducting security audits, or validating application security controls.

NickCrew
NickCrew
3115

api-design-patterns

Comprehensive REST and GraphQL API design patterns with versioning, pagination, error handling, and HATEOAS principles. Use when designing APIs, defining endpoints, or architecting service contracts requiring production-grade patterns.

NickCrew
NickCrew
3115

python-testing-patterns

Python testing patterns and best practices using pytest, mocking, and property-based testing. Use when writing unit tests, integration tests, or implementing test-driven development in Python projects.

NickCrew
NickCrew
3115

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Adoption

Agent Skills are supported by leading AI development tools.

FAQ

Frequently asked questions about Agent Skills.

01

What are Agent Skills?

Agent Skills are reusable, production-ready capability packs for AI agents. Each skill lives in its own folder and is described by a SKILL.md file with metadata and instructions.

02

What does this agent-skills.md site do?

Agent Skills is a curated directory that indexes skill repositories and lets you browse, preview, and download skills in a consistent format.

03

Where are skills stored in a repo?

By default, the site scans the skills/ folder. You can also submit a URL that points directly to a specific skills folder.

04

What is required inside SKILL.md?

SKILL.md must include YAML frontmatter with at least name and description. The body contains the actual guidance and steps for the agent.

05

How can I submit a repo?

Click Submit in the header and paste a GitHub URL that points to a skills folder. We’ll parse it and add any valid skills to the directory.