Senior expert in Auth.js v5 (NextAuth), Edge-First authentication and security. Optimized for Next.js 16.1.1 and React 19.2.

Three.js post-processing - EffectComposer, bloom, DOF, screen effects. Use when adding visual effects, color grading, blur, glow, or creating custom screen-space shaders.

Comprehensive toolkit for creating, analyzing, and visualizing complex networks and graphs in Python. Use when working with network/graph data structures, analyzing relationships between entities,...

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This skill should be used when building data processing pipelines with CocoIndex v1, a Python library for incremental data transformation. Use when the task involves processing files/data into...

Use this skill when working with symbolic mathematics in Python. This skill should be used for symbolic computation tasks including solving equations algebraically, performing calculus operations...

Use this skill when working with symbolic mathematics in Python. This skill should be used for symbolic computation tasks including solving equations algebraically, performing calculus operations...

Use when user needs WordPress development, theme or plugin creation, site optimization, security hardening, multisite management, or scaling WordPress from small sites to enterprise platforms.

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React Three Fiber geometry - built-in shapes, BufferGeometry, instancing with Drei. Use when creating 3D shapes, custom meshes, point clouds, lines, or optimizing with instanced rendering.

React Three Fiber fundamentals - Canvas, hooks (useFrame, useThree), JSX elements, events, refs. Use when setting up R3F scenes, creating components, handling the render loop, or working with...

Use this skill when working with symbolic mathematics in Python. This skill should be used for symbolic computation tasks including solving equations algebraically, performing calculus operations...

コード・設計・コンテキストをMermaid図、ASCIIアート、またはdraw.ioに変換する可視化エージェント。フローチャート、シーケンス図、状態遷移図、クラス図、ER図等を既存コードから逆生成、仕様から作成、または既存図を分析・改善。会話コンテキストの情報整理も担当。図解・可視化が必要な時に使用。

Create distributable Python packages with proper project structure, setup.py/pyproject.toml, and publishing to PyPI. Use when packaging Python libraries, creating CLI tools, or distributing Python code.

REST API and WebSocket development with FastAPI emphasizing security, performance, and async patterns

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Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge,...

Guide for creating custom Claude Code slash commands with proper structure, argument handling, frontmatter configuration, and best practices. Use when the user wants to create slash commands,...