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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.

2587 available skills

marketing-psychology

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CodeWithKarol

When the user wants to apply psychological principles, mental models, or behavioral science to marketing. Also use when the user mentions psychology, mental models, cognitive bias, persuasion, behavio

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Developer

accelint-ts-testing

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gohypergiant

Comprehensive vitest testing guidance for TypeScript projects. Use when (1) Writing new tests with AAA pattern, parameterized tests, or async/await, (2) Reviewing test code for anti-patterns like loos

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Developer

gsd:workflow:resume-project

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Meme-Lords

Workflow for resuming a paused project

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Developer

writing-plans

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revokslab

Use when you have a spec or requirements for a multi-step task, before touching code

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Developer

React Testing

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HoangNguyen0403

Testing strategies with RTL and Jest/Vitest.

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Developer

nestjs-typeorm-integration

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AgentiveCity

Use this skill whenever the user wants to set up, configure, or refactor TypeORM within a NestJS TypeScript project, including data sources, entities, migrations, repositories, relations, and transact

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Developer

NestJS BullMQ Implementation

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HoangNguyen0403

Standard workflow for implementing background jobs using BullMQ in NestJS.

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Developer

React Tooling

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HoangNguyen0403

Debugging, build analysis, and ecosystem tools.

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Developer

vercel-deploy

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skillcreatorai

Deploy applications to Vercel with edge functions, serverless, and ISR.

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Developer

vite

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antfu

Vite build tool configuration, plugin API, SSR, and Vite 8 Rolldown migration. Use when working with Vite projects, vite.config.ts, Vite plugins, or building libraries/SSR apps with Vite.

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Developer

walkeros-understanding-development

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elbwalker

walkeros-understanding-development is an open-source tag manager for developers following extreme programming principles. It helps developers write efficient code with strict conventions and core prin

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Developer

vite

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ajiu9

Vite build tool configuration, plugin API, SSR, and Vite 8 Rolldown migration. Use when working with Vite projects, vite.config.ts, Vite plugins, or building libraries/SSR apps with Vite.

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Developer