addyosmani/agent-skills: Production-grade engineering skills for AI coding agents.
Production-grade engineering skills for AI coding agents. - addyosmani/agent-skills
Open Source Repository
Summary
A GitHub repository that curates Claude AI Skills, resources, and tools for customizing Claude workflows, especially Claude Code. It explains the reusable Skill architecture and provides official and community contributions covering documents, development, design, testing and security analysis.
Highlights
- Explains Claude Skills as reusable instruction bundles with progressive disclosure.
- Shows how only metadata (~100 tokens) is loaded by default, keeping context windows efficient.
- Provides official Skills for common file types (Word, PDF, PowerPoint, Excel).
- Features community‑contributed Skills ranging from iOS testing to security analysis.
- Encourages creation of custom Skills tailored to specific workflows.
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Context
Audience
Developers and AI practitioners building or customizing Claude AI workflows, as well as technical product managers interested in promptable AI agents
DomainGenerative AI workflow automation
Formatopen source code repository (Markdown documentation)
Accessfree online, open source
Source Overview
Claude Skills are specialized folders containing instructions, scripts, and resources that enable Claude to perform repeatable tasks across its products, from the web interface to Claude Code CLI to the API.
They use progressive disclosure architecture to load metadata first (~100 tokens), then full instructions (<5k tokens) only when relevant, allowing multiple Skills to remain available without overwhelming the context window. The repository provides official Skills for documents (Word, PDF, PowerPoint, Excel), design, development, and communication, plus community-contributed Skills ranging from iOS app testing to security analysis, with tools for creating custom Skills tailored to specific workflows.
Topics
Related
Anthropic Claude APIClaude Code CLIPrompt engineering guidesAI workflow orchestration toolsFunction calling frameworks
