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

This directory brings installable AI Agent skills into one place so you can filter by search, category, topic, and official source, then install them directly into Claude Code, Cursor, Windsurf, and other supported environments.

3407 available skills

api-checks

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jeffreymonjacastro

api-checks is a skill that enforces a repeatable API review checklist, ensuring consistent and reliable API behavior in Next.js App Router applications.

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Developer

playwright-excel

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Rukkha1024

playwright-excel is an AI Agent skill that transforms Playwright codegen scripts into Excel-driven automations. It uses a specified conda environment for execution and maps hardcoded values from scripts to Excel data for centralized configuration management.

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Developer

three-best-practices

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rickyraz

three-best-practices is an AI agent skill containing a comprehensive performance optimization guide for Three.js. It provides over 100 rules across 17 categories, based on official guidelines from the Three.js `llms` branch maintained by mrdoob.

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Developer

auto-debug-command

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kimthiphuongthao

auto-debug-command is a skill that automates the execution and debugging of shell commands, utilizing technologies like run_shell_command in detached mode.

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Developer

vercel-composition-patterns

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flourine95

Vercel-composition-patterns is a set of guidelines for building maintainable React components using compound components, state lifting, and internal composition.

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Developer

bookkeeper

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Layer-Fi

Bookkeeper is a meticulous bookkeeper assistant using the Layer Bookkeeper MCP server to manage financial data with absolute precision.

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Developer

draft-nda

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shalevamin

draft-nda is a skill for drafting comprehensive Non-Disclosure Agreements, providing plain-language explanations for accessibility and clarity.

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Developer

websocket-engineer

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Andrej1601

websocket-engineer is a senior WebSocket specialist with expertise in real-time bidirectional communication, Socket.IO, and scalable messaging architectures.

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Developer

fastify-best-practices

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blesstosam

fastify-best-practices is a skill that provides guidelines for developing backend applications using Fastify, including plugin implementation and testing best practices.

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Developer

Topic_Planning

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sunqb

Topic_Planning is a systematic approach to identifying and planning content topics, utilizing AI to recognize user demands and recommend optimal planning paths.

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Developer

blog-voice-analyzer

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Abhi5415

blog-voice-analyzer is a skill that uses Natural Language Processing (NLP) to detect AI patterns in blog articles and provide diagnostics for improvement

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Developer

whatsapp-triage

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muhammadwaheedairi

whatsapp-triage is a local-first autonomous AI employee that detects intent, assigns priority, and creates action plans based on WhatsApp messages.

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AI