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

Explore an open directory built around AI Agent Skills, with fast ways to find, compare, and install high-quality skills for Claude Code, Cursor, Windsurf, and other IDEs. From workflow automation and document handling to browser actions and data extraction, this page focuses on installable skills with practical delivery paths.

3589 available skills

fix-bug

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yon

fix-bug is a debugging technique that involves root cause analysis and regression testing to permanently fix bugs.

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Developer

writing-linkedin-posts

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gscalzo

Create engaging, authentic LinkedIn posts like a Top Voice. Use this skill when asked to write LinkedIn content, social media posts for LinkedIn, professional thought leadership content, or help with LinkedIn engagement strategy. Triggers include requests for LinkedIn posts, professional social content, thought leadership pieces, or viral/engaging LinkedIn content.

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Security

voice-matching-wizard

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cdeistopened

Transform writing samples into a codified voice style that can be replicated consistently. This wizard guides you through analyzing samples, extracting patterns, and generating a custom voice skill.

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Design

plan-update

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tony

Update planning notes and commit the changes.

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Developer

zerg-testing

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cipher982

Zerg testing workflow (unit + E2E). Use when running or debugging tests.

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Data

create-sysy-testcase

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oNya685

Convert C/C++ code into Strict SysY testcases using Python automation scripts.

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Browser

localize

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ryokun6

Localize ryOS apps and components by extracting hardcoded strings, replacing with translation keys, and syncing across languages. Use when localizing an app, adding i18n support, translating UI text, or working with translation files.

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Design

skill-dispatcher

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wangqiqi

Discover, match, and invoke skills from .cursor/features/skills/ directory. Use when user mentions skills, needs to find appropriate skill for a task, or when skill invocation or delegation is require

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Data

reduce-relie-basics

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hinsley

Run REDUCE in Docker for this repo (using lunacamp/reduce-algebra), load the vendored ReLie file from resources/relie-src/relie.red, and perform a tiny smoke test. Use when you need the canonical docker run command or a minimal ReLie bootstrap.

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Data

better-auth-security-best-practices

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GELLIFY

This skill provides guidance for implementing security features that span across Better Auth, including rate limiting, CSRF protection, session security, trusted origins, secret management, OAuth secu

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Design

run-all-checks

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SETI

Run all linting, type checking, tests, and documentation builds for the rms-cloud-tasks project. Check for errors and warnings, then fix any problems found. Use when the user asks to run checks, verif

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Productivity

add-video

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jdorfman

Add a new YouTube video to the portfolio. New video becomes Horizontal Video Card 1, all other videos shift down, oldest goes to More section. Use when user types /add-video followed by a YouTube URL.

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Developer