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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.

2071 available skills

isentinel

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christopher-buss

Additional Jest matchers for rbxts🃏💪 (Sourced from https://github.com/jest-community/jest-extended)

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Developer

update_check_skill

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lucapalomba

Find your perfect car using AI - describe what you need, not what you think you want!

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fuck

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vivshaw

a Claude Code skill that lets Claude say "fuck". and also use the `thefuck` CLI utility.

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voice-agents

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rootcastleco

🏰 883+ Universal Agentic Skills for Claude Code, Gemini CLI, Cursor & More — Curated by Rootcastle Engineering & Innovation (REI) | Batuhan Ayrıbaş

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Developer

rag-mcp-lsp-ops

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Ilenburg1993

🤖 Autonomous AI agent for browser automation with Puppeteer - Domain-driven task processing with adaptive validation and real-time monitoring

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feature-dev

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Project-X-Vietnam

feature-dev is a workflow for implementing features through a 7-phase process, emphasizing reuse of existing components and adherence to design systems like PXV.

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shopify-expert

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fulfon

Shopify-expert is a senior Shopify developer skill with expertise in theme development using Liquid, headless commerce with Storefront API, and custom Shopify app development.

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r3f-best-practices

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deadronos

r3f-best-practices is a set of guidelines for React Three Fiber, covering 11 categories and 60+ rules to improve performance, optimize re-renders, and manage state with Zustand.

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Developer

project-docling-engineer

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qcdeveloper3-cmd

project-docling-engineer is a skill that enables developers to optimize Python + Docling + DOCX workflows with a focus on architecture clarity, testability, and staged delivery.

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autosort-ledger-audit

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macho715

autosort-ledger-audit is a skill that automates ledger audits, checking for required fields and suspicious patterns in ledger files.

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draft-nda

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shivbardolabs

draft-nda is a skill for drafting comprehensive Non-Disclosure Agreements, marking clauses that require legal review and providing clear explanations.

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project-designer

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AbdullahMalik17

project-designer is a skill that transforms initial project concepts into comprehensive, well-architected designs through systematic analysis, feature enhancement, and technology recommendations.

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Developer