Install once. Invoke anywhere.

Reusable agent skills for every repository.

Browse curated skills with install commands, trigger phrases, and quality signals so your agents ship faster with less guesswork.

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Skills library

Filter by topic, language, and quality signals—then open any skill for install steps and repository context.

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26355 skills

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d3-visualization
Analytics

This skill helps you build custom, interactive D3 visualizations from data to visuals with low-level control over scales, layouts, and transitions.

Code ReviewDataFrontendPerformance
simmer-setup
Ai

This skill identifies the artifact, elicits two to three quality criteria, and outputs a setup brief to guide refinements.

AutomationDocsPlanningProduct+1
testing
Code Review

This skill helps you design robust behavioral tests by guiding what to test, using a self-test checklist, and selecting appropriate test doubles.

DebuggingIntegration TestsTestingUnit Tests+1
mastra
Ai

This skill guides Mastra development by teaching how to verify current APIs, locate embedded or remote docs, and build robust agents and workflows.

ApiAutomationDocsProductivity+1
text-summarizer
Ai

This skill summarizes long text into concise bullet points and a statistics report to save time and improve comprehension.

AnalyticsApiDataProductivity+2
simmer-generator
Ai

This skill refines the candidate artifact by applying ASI-driven improvements to the previous round, preserving structure while enhancing clarity and quality.

AutomationBackendCode ReviewPerformance+2
frontend-improver
Accessibility

This skill helps you enhance and refine UI by applying targeted steering commands across design, accessibility, performance, and polish.

DesignFrontendPerformanceUx+1
phase-review
Code Review

This skill reviews phase implementation plans for flaws without altering the plan, offering suggestions for improvements.

DocsPlanningScriptingShell
git-commit-helper
Automation

This skill analyzes staged diffs to generate clear, conventional commit messages that explain why changes were made.

DocsGitProductivityWriting+1
embedding-fusion-strategy
Ai

This skill guides embedding fusion for semantic and structural graphs, selecting granularity, fusion method, and implementation guidance to improve retrieval

AnalyticsDataDocsResearch+1
genome-analizer
Ai

This skill analyzes user genetic data from a VCF file and translates genotypes into actionable health and lifestyle insights.

AnalyticsDataPythonResearch+1
design-brief-generator
Shell

Generate comprehensive design briefs for design projects. Use this skill when designers ask to "create a design brief", "structure a design project", "define design requirements", or need help planning design work.

building-github-index
Python

Generate progressive disclosure indexes for GitHub repositories to use as Claude project knowledge. Use when setting up projects referencing external documentation, creating searchable indexes of technical blogs or knowledge bases, combining multiple repos into one index, or when user mentions "index", "github repo", "project knowledge", or "documentation reference".

simmer-reflect
Ai

This skill records iteration results, tracks the best candidate, and forwards ASI for the next round to improve performance.

AnalyticsBackendDataPerformance+2
pi-delegate
Ai

This skill delegates tasks to a separate Pi subagent for fresh context, isolation, or model specialization.

AutomationBackendCliCode Review+2
debug
Ai

This skill guides hypothesis-driven debugging to identify root causes, reproduce failures, and verify minimal fixes with regression tests.

Ci CdCode ReviewDebuggingTesting+1
codex-review
Ai

This skill enables cross-agent code review with Codex, guiding setup, planning, execution, and state management to improve code quality.

AutomationBackendCode ReviewPython+2
mapping-codebases
Python

Generate navigable code maps for unfamiliar codebases. Use when exploring a new codebase, needing to understand project structure, or before diving into code modifications. Extracts exports/imports via AST (tree-sitter) to create _MAP.md files per directory. Triggers on "map this codebase", "understand this project structure", "generate code map", or when starting work on an unfamiliar repository.

deep-research
Analytics

This skill performs exhaustive research with full citations and structured findings to support critical decisions.

DocsResearchWritingShell
fifteen-factor-app
Api

This skill helps you plan SaaS architectures using the Fifteen-Factor framework, integrating API First, Telemetry, and Security for cloud-native apps.

BackendCloudDesignObservability+3
visual-storytelling-design
Analytics

This skill helps you transform data into compelling visual narratives for journalism, presentations, and infographics with structured storytelling.

ContentDataDesignMarketing+1
FAQ

Frequently Asked Questions

Common questions about agent skills, how they work, and how to use this directory.

An agent skill is a packaged unit of behavior, including prompts, tool wiring, and documentation, that you can install into a compatible AI agent or IDE to give it a new capability. Instead of re-explaining a task every time, you install a skill once and the agent can invoke it whenever it is relevant. This directory lists skills you can use with clients like Claude Code, Codex, and other compatible agents.

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