Installable AI Agent Skills

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.

3849 available skills

idear-diseno

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AlbanoArranz

Refina ideas en un diseño validado antes de tocar código. Úsese cuando el usuario pida crear features, modificar comportamiento, diseñar una solución o explorar alternativas.

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Developer

increase-package-version

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brainsum

We should update the version number of the package before release.

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Developer

infoproviders-lookup-data

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MarjanDB

When and how to edit InfoProviders lookup JSONs (company, country, treaty, ISIN). Use when fixing Failed processing stock lot, wrong country or company data, or adding fallbacks for unresolved identif

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Finance

create-nippo

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miura-188cm

MarkdownのTODO/状況ファイルから終業時の報告文を作成する。作業サマリー、持ち越し、懸念事項をSlack送信前にまとめるときに使う。

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Productivity

project-context

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TSGCFO

Summarize the project context and key constraints

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AI

nx-plugins

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sneat-co

Find and add Nx plugins. USE WHEN user wants to discover available plugins, install a new plugin, or add support for a specific framework or technology to the workspace.

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AI

doc-reviewer

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shiguruikai

The doc-reviewer skill provides thorough document reviews for developers, utilizing commands like git status and gh pr view to ensure accurate and detailed analysis.

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AI

performance-optimization

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deadronos

Performance optimization playbook (measure → diagnose → fix → verify) for this repo (React + R3F + Three.js + Vite). Use when asked to improve FPS, reduce jank, lower draw calls, optimize loading/bund

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Finance

library-update-policy

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EEMO22

Handle library updates and breaking changes with user-confirmed behavior and project-safe migration notes. Use when dependencies fail, APIs change, or syntax differs from expected docs.

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AI

system-architect

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kaenozu

複雑なシステムの包括的レビュー、TDDに基づく堅牢なコアロジック構築、AIアンサンブルの統合、および高パフォーマンスな並列処理設計を専門とする建築家。大規模なリファクタリングや、信頼性が極めて重要な意思決定エンジンの構築に使用する。

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AI

antd-specialist

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ffernandomoraes

Especialista em Ant Design 6 com React + Tailwind. Usar para criação de telas, fluxos completos, formulários, tabelas, modais, layouts e qualquer UI baseada no design system.

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Design

nixos

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jwiegley

Resolve NixOS issues using research and sequential thinking

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Developer