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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.

3863 available skills

physicslab_worktrees

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AhmedAlnasser2000

Start and clean PhysicsLab slice branches safely using git worktrees. Use when asked to create/start a slice branch (for example V5.5d2), start a milestone branch, or create a new worktree.

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Developer

class-refactoring

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pekral

Refactors PHP classes following Laravel best practices and SOLID principles. Ensures code quality, maintains functionality, improves testability, and achieves 100% code coverage. Focuses on single res

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Developer

ui-law

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naufaldi

rule for designing user interfaces and user experience

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Developer

pesit-expert

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pesitwizard

Steps to perform to fix a PeSIT issue and release a new version

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Developer

vue-nuxt-project-standards

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shotly

Enforces Vue 3, Nuxt 4, TypeScript, and TailwindCSS development standards for the project. Use when writing Vue components, Nuxt pages, TypeScript code, or when following project coding conventions an

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Developer

distinctive-frontend-design

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ThallesP

Creates distinctive, production-grade frontend interfaces with a bold aesthetic direction and meticulous visual detail. Use when the user requests a UI, page, component, or frontend build and expects

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Developer

brainstorm

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vikramsg

Specialized skill for brainstorming technical ideas, architectural patterns, and syntax choices. Use this skill when the user asks to brainstorm ideas, implementation details, logic etc.

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Developer

observability-guidelines

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mvappshub

Observability guidelines for distributed systems using OpenTelemetry, tracing, metrics, and structured logging

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Developer

tn3270-pentest

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gglessner

Mainframe TN3270/CICS penetration testing via hack3270. Use when interacting with IBM mainframes, 3270 terminal emulators, CICS/KICKS applications, TSO, VTAM, MVS, z/OS, or when pen testing mainframe

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Developer

monolith-websocket-pubsub

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cggonzal

Use when implementing real-time functionality using the built-in websocket pub/sub layer (`/ws`), including subscribe/message protocol and channel design.

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Developer

clean-code-reviewer

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allofmeng

Use this agent when reviewing recently written code to identify redundancy, improve cleanliness, suggest refactoring opportunities, and recommend tests based on existing modules and project architectu

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Developer

Clear links from query params

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jakubpradzynski

Usuwa query parametry z linków w podanym pliku

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Developer