Use when facing 3+ independent failures that can be investigated without

Guide for creating effective skills. This skill should be used when users

Suite of tools for creating elaborate, multi-component HTML

Guide for creating high-quality MCP (Model Context Protocol) servers

Toolkit for interacting with and testing local web applications using

Use when starting feature work that needs isolation from current workspace

Use when creating new skills, editing existing skills, or verifying skills

Use when partner provides a complete implementation plan to execute in

A skill that creates new Claude skills and automatically shares them

Analyze Excel spreadsheets, create pivot tables, generate charts, and

Use when errors occur deep in execution and you need to trace back to

Improves the quality of images, especially screenshots, by enhancing

Use when invalid data causes failures deep in execution, requiring validation

Use when receiving code review feedback, before implementing suggestions,

Use when starting any conversation - establishes mandatory workflows

Assists in writing high-quality content by conducting research, adding

Query DeepWiki for repository documentation and structure. Use to understand open source projects, find API docs, and explore codebases.

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Help users build strong engineering culture. Use when someone is improving developer experience, fostering technical excellence, designing engineering practices, or scaling an engineering organization.

Help users onboard new team members effectively. Use when someone is planning onboarding for a new hire, starting a new job themselves, designing a first-90-days plan, or trying to ramp up new...