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.

185 available skills

widget-generator

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f

Generate customizable widget plugins for the prompts.chat feed system

149.6k
0
Design

prompt-optimizer

[ Featured ]
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affaan-m

prompt-optimizer is a skill that refines and optimizes user prompts for AI agents, ensuring effective communication and improved outcomes.

108.5k
0
Developer

api-design

[ Featured ]
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affaan-m

api-design is a skill for creating well-structured REST APIs, following best practices for resource naming, HTTP methods, and error handling.

108.5k
0
Developer

autonomous-loops

[ Featured ]
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affaan-m

Patterns and architectures for autonomous Claude Code loops — from simple sequential pipelines to RFC-driven multi-agent DAG systems.

108.5k
0
Developer

click-path-audit

[ Featured ]
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affaan-m

click-path-audit is a behavioural flow audit skill that traces every interactive touchpoint to find bugs where functions individually work but cancel each other out.

108.5k
0
Developer

codebase-onboarding

[ Featured ]
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affaan-m

Codebase-onboarding is a skill that analyzes an unfamiliar codebase and generates a structured onboarding guide with architecture maps, key entry points, and conventions.

108.5k
0
Developer

context-budget

[ Featured ]
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affaan-m

Audits Claude Code context window consumption across agents, skills, MCP servers, and rules. Identifies bloat, redundant components, and produces prioritized token-savings recommendations.

108.5k
0
Developer

cpp-coding-standards

[ Featured ]
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affaan-m

C++ coding standards based on the C++ Core Guidelines (isocpp.github.io). Use when writing, reviewing, or refactoring C++ code to enforce modern, safe, and idiomatic practices.

108.5k
0
Developer

data-scraper-agent

[ Featured ]
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affaan-m

Build a fully automated AI-powered data collection agent for any public source — job boards, prices, news, GitHub, sports, anything. Scrapes on a schedule, enriches data with a free LLM (Gemini Flash), stores results in Notion/Sheets/Supabase, and learns from user feedback. Runs 100% free on GitHub Actions. Use when the user wants to monitor, collect, or track any public data automatically.

108.5k
0
Developer

django-verification

[ Featured ]
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affaan-m

django-verification is a skill that automates the verification loop for Django projects, including migrations, linting, tests, security scans, and deployment readiness checks.

108.5k
0
Developer

foundation-models-on-device

[ Featured ]
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affaan-m

foundation-models-on-device is a skill that integrates Apple's on-device language model into apps using the FoundationModels framework for text generation, structured output, and custom tool calling.

108.5k
0
Developer

kotlin-testing

[ Featured ]
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affaan-m

kotlin-testing is a set of testing patterns for Kotlin, utilizing Kotest, MockK, and Kover for reliable and maintainable tests.

108.5k
0
Developer