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

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tutorial-design

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NickCrew
NickCrew
124

product-strategy

Product vision, roadmap development, and go-to-market execution with structured prioritization frameworks. Use when evaluating features, planning product direction, or assessing market fit.

NickCrew
NickCrew
124

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
124

playwright-cli

Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.

NickCrew
NickCrew
124

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
124

prompt-engineering

Optimize prompts for LLMs and AI systems with structured techniques, evaluation patterns, and synthetic test data generation. Use when building AI features, improving agent performance, or crafting system prompts.

NickCrew
NickCrew
124

accessibility-audit

Fast, high-signal accessibility triage for pages, components, or PRs targeting WCAG 2.2 AA compliance.

NickCrew
NickCrew
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
NickCrew
124

compliance-audit

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NickCrew
NickCrew
124

constructive-dissent

Structured disagreement protocols to strengthen proposals through systematic challenge and alternative generation.

NickCrew
NickCrew
124

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.

NickCrew
NickCrew
124

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
124

incident-response

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

NickCrew
NickCrew
124

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
124

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.

NickCrew
NickCrew
124

knowledge-synthesis

Extract insights from multi-agent interactions, identify patterns, and build collective intelligence through cross-agent learning and knowledge management. Use when synthesizing findings, building knowledge bases, or improving system-wide practices.

NickCrew
NickCrew
124

cortex-skills-loop

Drives the cortex skills recommend-feedback-rate loop. Use when a context change occurs (new file types, domain shift, task pivot) or when a task completes and skill effectiveness should be recorded.

NickCrew
NickCrew
124

legacy-modernization

Modernize legacy systems using proven migration patterns like strangler fig, feature flags, and incremental refactoring. Use when planning system migrations, modernizing monoliths, or managing technical debt.

NickCrew
NickCrew
124

mermaid-diagramming

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NickCrew
NickCrew
124

codanna-codebase-intelligence

Use codanna MCP tools for semantic code search, call graphs, and impact analysis before grep/find.

NickCrew
NickCrew
124

design-system-architecture

Build scalable design systems with design tokens, component APIs, and documentation. Use when creating or evolving component libraries.

NickCrew
NickCrew
124

doc-claim-validator

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NickCrew
NickCrew
124

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
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
NickCrew
124

team-brainstorm

Deep brainstorming using agent teams for adversarial multi-perspective analysis. Use when users want thorough idea exploration with real debate between independent perspectives. Triggers on "team brainstorm", "deep brainstorm", "brainstorm with team", "debate this idea", or when the user explicitly requests team-based analysis. Higher token cost but significantly deeper analysis than single-agent brainstorm.

mhylle
mhylle
12

team-implement-plan-full

Execute implementation plans with a full team — one implementer per phase running in parallel where the dependency graph allows, plus a shared cross-phase Reviewer. Phases execute in waves based on dependencies. Use for large plans with 4+ phases and independent work streams. Highest token cost but fastest execution for parallelizable work. Triggers on "full team implement", "parallel implement", or when the user explicitly wants maximum parallelism.

mhylle
mhylle
12

team-implement-plan

Execute implementation plans with a small review team (Implementer + Reviewer + optional Integrator). The Implementer writes code directly while the Reviewer provides adversarial quality checks per phase. Use for moderate-to-complex plans where real-time adversarial review catches issues that automated checks miss. Triggers on "team implement", "team implement plan", or when the user explicitly wants team-based implementation.

mhylle
mhylle
12

user-story

Generate hierarchical user stories (epics, features, tasks) with formal Given/When/Then acceptance criteria. Works from brainstorm output or standalone. Produces structured requirements that feed directly into create-plan. Triggers on "create user stories", "write stories", "define requirements", "user story", or when presenting features that need requirements decomposition.

mhylle
mhylle
12

security-review

Comprehensive security audit for code changes. Use this skill when implementing authentication, authorization, user input handling, API endpoints, secrets/credentials, payment features, or file uploads. Provides security checklists, vulnerability patterns, and remediation guidance. Integrates with implement-phase as a security quality gate.

mhylle
mhylle
12

verification-loop

Comprehensive 6-check verification framework for validating implementation quality across build, types, lint, tests, security, and diff review. This skill ensures code meets all quality gates before phase completion. Triggers on "verify implementation", "run verification", "/verification-loop", or automatically as part of implement-phase Step 2.

mhylle
mhylle
12

workflow-guide

Helps choose between solo, small team, and full team workflow modes

mhylle
mhylle
12

skill-visualizer

Generate interactive HTML visualizations of the skills collection, codebase structure, or dependency graphs. Uses D3.js for interactive visualization with collapsible nodes, color-coded categories, and hover details. Triggers on "visualize skills", "generate skill map", "codebase visualization", or "show skill dependencies".

mhylle
mhylle
12

prompt-generator

Generate implementation prompts for phase-based project execution using an orchestration pattern. Use when users request prompts for implementing project phases, need orchestration prompts for multi-step implementations, ask for "/prompt", "generate prompt", "create implementation prompt", or want to create structured implementation instructions for subagent delegation. Outputs the prompt to chat and saves to docs/prompts folder.

mhylle
mhylle
12

team-create-plan

Team-based implementation planning with adversarial design review. Spawns an Architect, Risk Analyst, and Researcher who explore competing designs and challenge each other before producing a plan. Use when planning complex features, high-stakes changes, or when multiple valid approaches exist. Triggers on "team create plan", "team plan", "deep plan", or when the user explicitly wants team-based planning.

mhylle
mhylle
12

strategic-compact

Strategic compaction suggestion framework that monitors session complexity and suggests context compaction at optimal logical boundaries rather than arbitrary thresholds.

mhylle
mhylle
12

iterate-plan

Update existing implementation plans through user feedback with thorough research and validation. Also migrates old checkbox-based plans to the new Task tools system. This skill should be used when iterating on implementation plans, updating plans based on new requirements, refining technical approaches in existing plans, migrating old plans to Task tools, or when the user wants to modify a previously created plan file. Triggers on requests like "update the plan", "change the implementation approach", "iterate on this plan", "migrate to new system", or when feedback is provided about an existing plan document.

mhylle
mhylle
12

brainstorm

Interactive idea refinement using Socratic questioning methodology. This skill should be used when users want to explore an idea, find gaps in concepts, enhance proposals, or structure thoughts before implementation planning. Triggers on "brainstorm", "explore this idea", "find holes in", "help me think through", "what am I missing", or when presenting rough concepts that need refinement. Output integrates with create-plan skill.

mhylle
mhylle
12

eval-harness

Comprehensive evaluation framework for systematic testing, measurement, and quality assurance of AI-assisted implementations. Supports capability evals, regression testing, multiple grader types, and standardized metrics.

mhylle
mhylle
12

e2e-testing

Comprehensive E2E testing skill using Playwright MCP for systematic web application testing. This skill should be used when users need to test web-based systems end-to-end, set up test regimes, run exploratory tests, or analyze test history. Triggers on requests like "test my webapp", "set up E2E tests", "run the tests", "what's been flaky", or when validating web application functionality. The skill observes and reports only - it never fixes issues. Supports three modes - setup (create test regime), run (execute tests), and report (analyze results).

mhylle
mhylle
12

create-plan

Create detailed implementation plans through interactive research and iteration. This skill should be used when creating new implementation plans, designing feature specifications, planning technical work, or when the user asks to plan an implementation. Triggers on requests like "create a plan", "plan the implementation", "design how to implement", or when given a feature/task that needs structured planning before implementation.

mhylle
mhylle
12

agent-creator

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mhylle
mhylle
12

continuous-learning

Pattern extraction framework for learning from sessions. This skill captures valuable patterns discovered during work sessions including error resolutions, user corrections, workarounds, debugging techniques, and project-specific patterns. Triggers on Stop hook, end of session, "save learnings", "extract patterns", or when explicitly asked to capture knowledge from the current session. Outputs learned skills to ~/.claude/skills/learned/.

mhylle
mhylle
12

codebase-research

Orchestrates comprehensive codebase research by decomposing user queries into parallel sub-agent tasks and synthesizing findings. This skill should be used when users ask questions about how code works, where functionality exists, how components interact, or need comprehensive documentation of existing implementations. It focuses exclusively on documenting and explaining the codebase as it exists today.

mhylle
mhylle
12

code-review

Systematic code review for implementation phases verifying architectural principles, framework standards, ADR compliance, and code quality. This skill is invoked by implement-phase as part of its quality gate pipeline, or manually when reviewing code changes. Triggers on "review code", "code review", "/code-review", or automatically as Step 3 of implement-phase.

mhylle
mhylle
12

adr

Document architectural decisions in standardized ADR format. This skill should be used when making significant technical decisions, choosing between approaches, establishing patterns, or when other skills (create-plan, implement-plan, brainstorm) identify decisions that need documentation. Triggers on "document decision", "create ADR", "architectural decision", or automatically when invoked by other skills during planning and implementation.

mhylle
mhylle
12

implement-plan

Orchestrate the execution of complete implementation plans, delegating each phase to implement-phase skill. This skill manages the full plan lifecycle including phase sequencing, user confirmation between phases, and overall progress tracking. Triggers on "implement the plan", "execute the implementation plan", or when given a path to a plan file.

mhylle
mhylle
12

implement-phase

Execute a single phase from an implementation plan with all quality gates. This skill is the unit of work for implement-plan, handling implementation, verification, code review, ADR compliance, and plan synchronization for ONE phase. Triggers when implement-plan delegates a phase, or manually with "/implement-phase" and a phase reference.

mhylle
mhylle
12

context-saver

Save session context to disk for seamless continuation in new chat sessions. This skill should be used when the user asks to save context, preserve work state, checkpoint progress, or prepare for session handoff. Triggers on "save context", "checkpoint", "save progress", "preserve state", or when explicitly asked to create a context file for later resumption. Optimizes for correctness, completeness, minimal size, and trajectory preservation.

mhylle
mhylle
12

owasp-mobile-security-checker

Use when performing security audits, vulnerability assessments, or compliance checks on Flutter or mobile applications. Covers OWASP Mobile Top 10 (2024) — hardcoded secrets (M1), insecure storage (M9), weak cryptography (M10), network issues (M5), and 6 more categories with automated scanners and remediation guidance.

harish
harish
122

flutter-tester

Use when creating, writing, fixing, or reviewing tests in a Flutter project. Covers unit tests, widget tests, integration tests, Riverpod provider testing, and Mockito mocking. Provides Given-When-Then patterns, layer isolation strategies, and test setup for GetIt, SharedPreferences, and FakeDatabase.

harish
harish
122

Page 901 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.