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Killer-Skills

Featured

Browse and install thousands of AI Agent skills in the Killer-Skills marketplace. Supports Claude Code, Windsurf, Cursor, and more.

Discover the world's most comprehensive directory for AI Agent Skills and community-driven MCP Servers (Model Context Protocol). Seamlessly find and install high-quality developer integrations for your Claude Desktop, Cursor, or custom AI agents. From cloud operations to API integrations, explore verified open-source MCP practices to supercharge your AI workflows.

1584 available skills

best-practices

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majiayu000

Apply modern web development best practices for security, compatibility, and code quality. Use when asked to apply best practices, security audit, modernize code, code quality review, or check for vulnerabilities.

0
0
Data

API Development

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majiayu000

Build REST APIs with proper error handling, status codes, request validation, response formatting, and rate limiting. Apply when creating API routes, handling errors, validating input, or designing API responses.

0
0
Data

swift-actor-persistence

[ FEATURED ]
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affaan-m

swift-actor-persistence is a thread-safe data persistence pattern in Swift using actors, eliminating data races at compile time

62.0k
0
Developer

brand-guidelines

[ OFFICIAL ]
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getsentry

Brand-guidelines is a set of rules for writing user-facing copy, including tone selection and implementation for product UI, documentation, and marketing copy.

360
0
Developer

shadcn-ui

[ OFFICIAL ]
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google-labs-code

shadcn-ui is a collection of beautifully designed, accessible, and customizable components built with Radix UI or Base UI and Tailwind CSS.

0
0
Developer

frontend-testing

[ FEATURED ]
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langgenius

Frontend-testing is a skill that enables AI agents to generate comprehensive tests for frontend components, hooks, and utilities using established conventions and best practices.

131.4k
0
AI

orpc-contract-first

[ FEATURED ]
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langgenius

orpc-contract-first is a development pattern guiding the implementation of oRPC contract-first APIs in Dify frontend, emphasizing typed contracts and minimal abstractions.

131.4k
0
AI

docx

[ OFFICIAL ]
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anthropics

docx is an AI Agent Skill for programmatically manipulating Microsoft Word documents. It treats .docx files as ZIP archives containing XML, enabling direct editing, content extraction with `pandoc`, and new document creation via `docx-js`.

85.1k
0
AI

mcp-builder

[ OFFICIAL ]
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anthropics

mcp-builder is a specialized guide for developing Model Context Protocol (MCP) servers. It provides a high-level workflow for creating tools that allow Large Language Models to integrate with and operate external APIs and services effectively.

85.1k
0
AI

pdf

[ OFFICIAL ]
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anthropics

pdf is an AI Agent skill for programmatically processing Portable Document Format files. It uses Python libraries like PyPDF to perform operations including text extraction, merging multiple PDFs, splitting documents, rotating pages, and filling out interactive forms for backend automation.

85.1k
0
AI

skill-creator

[ OFFICIAL ]
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anthropics

skill-creator is an AI agent skill used to create new skills, modify and improve existing skills, and measure skill performance. It helps users draft skills, run test prompts, and conduct qualitative and quantitative evaluations.

85.1k
0
AI

writing-plans

[ FEATURED ]
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obra

writing-plans is an AI Agent Skill that creates comprehensive, multi-step implementation plans for developers from a given specification. It meticulously documents every required action, from which files to touch and code to write, to testing and documentation, assuming the engineer has zero context.

71.9k
0
Productivity