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

911 available skills

devlog

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urgood2

devlog is a game development AI agent skill that utilizes GOAP AI foragers, survival mechanics, and emergent behaviors to create engaging idle games.

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implementation-planner

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galz10

This extension transforms the Gemini CLI into "Pickle Rick," a hyper-intelligent, arrogant, yet extremely competent engineering persona. It enforces a rigid, iterative software development lifecycle through continuous AI agent loops. Emphasizing "God Mode" coding practices and a disdain for

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tui

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Piebald-AI

Fast, cross-platform, real-time token usage tracker and cost monitor for Gemini CLI / Claude Code / Codex CLI / Qwen Code / Cline / Roo Code / Kilo Code / GitHub Copilot / OpenCode / Pi Agent / Piebald.

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skill-creator

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stephenhuo-code

skill-creator is an AI agent skill that provides structured guidance for creating modular skill packages. These packages extend Claude's capabilities by providing specialized domain knowledge, multi-step workflows, and procedural expertise that the base model cannot possess on its own.

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Sharing Skills

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xqt2023-ux

Sharing Skills is a workflow that allows developers to contribute skills from their local branch to the upstream repository, following guidelines for sharing and documentation

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nuqs

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not-ani

nuqs is a library for type-safe URL query state management in Next.js applications. It provides a set of best practices and rules for implementing, configuring, and optimizing search parameters, including integration with Server Components and parser configuration.

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detect

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synaptiai

Agent Capability Standard is an open specification for composable AI agent capabilities. It defines 36 atomic capabilities across 9 cognitive layers, a type-safe workflow DSL, and grounded world modeling with trust-aware conflict resolution. Built on the Grounded Agency philosophy, it makes agent reliability structural—not optional.

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three-best-practices

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rickyraz

three-best-practices is an AI agent skill containing a comprehensive performance optimization guide for Three.js. It provides over 100 rules across 17 categories, based on official guidelines from the Three.js `llms` branch maintained by mrdoob.

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natalia-rules

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khaledbashir

natalia-rules is an AI Agent skill that enforces strict mirroring of Excel data into PDF documents. It operates under non-negotiable rules to prevent recalculation, preserve exact sequence, and ensure all alternates are shown without any data filtering.

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backlog-to-rules

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dmitryprg-ai

backlog-to-rules is an AI agent skill that processes a backlog of software improvements (.cursor/data/improvements-backlog.md) to automatically generate and update deterministic rule files (.cursor/rules/*.mdc), turning experiential knowledge into enforceable code standards.

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ipados-design-guidelines

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ehmo

Agent skills for building and evaluating apps against official design guidelines. 300+ actionable rules for iOS, iPadOS, macOS, watchOS, visionOS, tvOS, Android, and Web — distilled from Apple HIG, Material Design 3, and WCAG 2.2. Works with Claude Code, Codex, and any agent that supports the Agent Skills format.

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