Public repository for Agent Skills

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.

A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.

Anthropic's Interactive Prompt Engineering Tutorial

Official, Anthropic-managed directory of high quality Claude Code Plugins.

Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork

Anthropic's educational courses

A collection of projects designed to help developers quickly get started with building deployable applications using the Claude API

A suite of plugins for legal workflows

Skills for threat modeling, scanning, triage, patching, plus an autonomous scanning harness you can /customize

An AI-powered security review GitHub Action using Claude to analyze code changes for security vulnerabilities.

Anthropic's original performance take-home, now open for you to try!

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.

Claude Code SDK Demos

Reference and an example for the Bluetooth API for makers in Claude Cowork & Claude Code Desktop

Access to Anthropic's safety-first language model APIs in TypeScript

Human preference data for "Training a Helpful and Harmless Assistant with Reinforcement Learning from Human Feedback"

Companion code for the global workspace interpretability paper