Create and execute comprehensive testing strategies including unit tests, integration tests, test-driven...

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting...

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and...

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when...

You MUST use this before any creative work - creating features, building components, adding functionality, or...

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having...

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the...

Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and...

Connect Claude to external apps like Gmail, Slack, GitHub. Use this skill when the user wants to send emails, create...

Connect Claude to any app. Send emails, create issues, post messages, update databases - take real actions across...

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write...