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Agent Skills

Agent-Skills.md is a agent skills marketplace, to find the right agent skills for you.

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vibe-security

This skill helps Claude write secure web applications. Use when working on any web application to ensure security best practices are followed.

nickcrew
nickcrew
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visual-modes

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

nickcrew
nickcrew
124

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
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124

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
124

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
124

template-skill

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

nickcrew
nickcrew
124

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
124

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

nickcrew
nickcrew
124

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
124

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
124

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

nickcrew
nickcrew
124

token-efficiency

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

nickcrew
nickcrew
124

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
124

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.

nickcrew
nickcrew
124

workflow-bug-fix

Systematic approach to identifying, fixing, and validating bug fixes. Use when fixing bugs, resolving issues, or addressing errors.

nickcrew
nickcrew
124

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.

nickcrew
nickcrew
124

workflow-feature

Complete feature development workflow from design to deployment. Use when implementing new features or functionality.

nickcrew
nickcrew
124

workflow-performance

Systematic performance analysis and optimization. Use when things are slow, need optimization, or preparing for scale.

nickcrew
nickcrew
124

workflow-security-audit

Comprehensive security assessment and remediation. Use for security reviews, compliance checks, vulnerability assessments.

nickcrew
nickcrew
124

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
124

system-design

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

nickcrew
nickcrew
124

super-saiyan

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

nickcrew
nickcrew
124

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
124

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
124

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
124

session-management

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

nickcrew
nickcrew
124

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
124

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
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124

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
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124

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
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124

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
124

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
124

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
124

ui-design-aesthetics

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

nickcrew
nickcrew
124

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
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124

tutorial-design

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nickcrew
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tool-selection

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

nickcrew
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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
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124

evaluator-optimizer

Iterative refinement workflow for polishing code, documentation, or designs through systematic evaluation and improvement cycles. Use when refining drafts into production-grade quality.

nickcrew
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124

event-driven-architecture

Event-driven architecture patterns with event sourcing, CQRS, and message-driven communication. Use when designing distributed systems, microservices communication, or systems requiring eventual consistency and scalability.

nickcrew
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124

feature-implementation

Use when implementing a feature or multi-file code change - provides structured implementation flow with persona selection, validation, and testing guidance.

nickcrew
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ux-review

Multi-perspective UX review combining usability, accessibility, and interaction design analysis.

nickcrew
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124

finishing-a-development-branch

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

nickcrew
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124

git-ops

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

nickcrew
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124

github-actions-workflows

GitHub Actions workflow patterns for CI/CD including matrix builds, reusable workflows, secrets management, and caching strategies. Use when setting up or optimizing GitHub Actions pipelines.

nickcrew
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124

gitops-workflows

GitOps workflows and patterns using ArgoCD and Flux for declarative Kubernetes deployments. Use when implementing CI/CD for Kubernetes, managing multi-environment deployments, or adopting declarative infrastructure practices.

nickcrew
nickcrew
124

helm-chart-patterns

Helm chart development patterns for packaging and deploying Kubernetes applications. Use when creating reusable Helm charts, managing multi-environment deployments, or building application catalogs for Kubernetes.

nickcrew
nickcrew
124

implementation-workflow

Use when turning PRDs or feature specs into actionable implementation workflows - provides structured task decomposition, dependency mapping, and validation gates.

nickcrew
nickcrew
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incident-response

Incident triage, cascade prevention, and postmortem methodology. Use when handling production incidents, designing resilience patterns, or conducting chaos engineering exercises.

nickcrew
nickcrew
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interaction-design

User flow design, micro-interactions, and interface behavior patterns with state management for all interaction conditions. Use when designing natural interactions, feedback systems, or handling error states.

nickcrew
nickcrew
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Page 897 of 1486 · 74265 results

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.