Repositories
prompt-eng-interactive-tutorial
Anthropic's Interactive Prompt Engineering Tutorial
knowledge-work-plugins
Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork
claude-code
Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.
skills
Public repository for Agent Skills
life-sciences
Repo for the Claude Code Marketplace to use with the Claude for Life Sciences Launch. This will continue to host the marketplace.json long-term, but not the actual MCP servers.
claude-cookbooks
A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.
courses
Anthropic's educational courses
claude-plugins-official
Official, Anthropic-managed directory of high quality Claude Code Plugins.
claude-code-security-review
An AI-powered security review GitHub Action using Claude to analyze code changes for security vulnerabilities.
claude-quickstarts
A collection of projects designed to help developers quickly get started with building deployable applications using the Claude API
original_performance_takehome
Anthropic's original performance take-home, now open for you to try!
claude-agent-sdk-demos
Claude Code SDK Demos
anthropic-sdk-typescript
Access to Anthropic's safety-first language model APIs in TypeScript
claudes-c-compiler
Claude Opus 4.6 wrote a dependency-free C compiler in Rust, with backends targeting x86 (64- and 32-bit), ARM, and RISC-V, capable of compiling a booting Linux kernel.
anthropic-sdk-go
Access to Anthropic's safety-first language model APIs via Go
devcontainer-features
Anthropic Dev Container Features, including Claude Code CLI
anthropic-sdk-php
Access to Anthropic's safety-first language model APIs in PHP
claude-constitution
The foundational document describing Claude's values and behavior