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

834 available skills

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Chachamaru127

Claude Code専用の開発ハーネス - 自律的なPlan→Work→Reviewサイクルで高品質な開発を実現

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Developer

frontend-slides

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j7-dev

rewrite everything-claude-code for github-copilot

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Developer

test-driven-development

[ Featured ]
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obra

Use when implementing any feature or bugfix, before writing implementation code

70.9k
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Productivity

agent-harness-construction

[ Featured ]
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affaan-m

agent-harness-construction is a developer skill for designing and optimizing AI agent action spaces, tool definitions, and observation formatting. It focuses on core constraints like action space quality and recovery quality to achieve higher completion rates for agents like Claude.

62.0k
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Developer

nanoclaw-repl

[ Featured ]
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affaan-m

nanoclaw-repl is a zero-dependency, session-aware REPL built on Claude for operating and extending the NanoClaw v2 AI agent. It features persistent markdown-backed sessions, dynamic skill loading, session branching, history compaction, and export capabilities to MD, JSON, and TXT formats.

62.0k
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Developer

agentic-engineering

[ Featured ]
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affaan-m

agentic-engineering is an AI agent skill for engineering workflows that uses an eval-first execution loop, decomposes work into agent-sized units, and routes model tiers by task complexity to enforce quality and risk controls.

62.0k
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Developer

foundation-models-on-device

[ Featured ]
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affaan-m

Apple FoundationModels framework for on-device LLM — text generation, guided generation with @Generable, tool calling, and snapshot streaming in iOS 26+.

60.6k
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Developer

python-patterns

[ Featured ]
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affaan-m

Pythonic idioms, PEP 8 standards, type hints, and best practices for building robust, efficient, and maintainable Python applications.

60.6k
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Developer

visa-doc-translate

[ Featured ]
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affaan-m

Translate visa application documents (images) to English and create a bilingual PDF with original and translation

60.6k
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Developer

cpp-testing

[ Featured ]
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affaan-m

Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.

60.6k
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Developer

golang-patterns

[ Featured ]
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affaan-m

Idiomatic Go patterns, best practices, and conventions for building robust, efficient, and maintainable Go applications.

60.6k
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Developer

springboot-verification

[ Featured ]
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affaan-m

Verification loop for Spring Boot projects: build, static analysis, tests with coverage, security scans, and diff review before release or PR.

60.6k
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Developer