Browse All Packages

@anthropics✓ Official

Access to Anthropic's safety-first language model APIs via Go

@anthropics✓ Official

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

@anthropics✓ Official

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

@anthropics✓ Official

Claude Code SDK Demos

@anthropics✓ Official

A Nix plugin that resolves Cargo workspaces natively and allows for crate level builds

@modelcontextprotocol✓ Official

The official Kotlin SDK for Model Context Protocol servers and clients. Maintained in collaboration with JetBrains

@anthropics✓ Official

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

@buildkite✓ Official

Official Buildkite skills for Claude Code, Cursor, and other AI coding agents

@anthropics✓ Official

This repo contains detailed implementation information about Anthropic's paired prompts approach for evaluating politica

@anthropics✓ Official

Homebrew formulae for Anthropic tools.

@anthropics✓ Official

Supplementary materials for Claude Model Cards

@anthropics✓ Official

Benchmark for evaluating LLM agents on smart-contract vulnerability discovery and exploitation

@modelcontextprotocol✓ Official

The official Python SDK for Model Context Protocol servers and clients

@modelcontextprotocol✓ Official

The official Swift SDK for Model Context Protocol servers and clients.

@modelcontextprotocol✓ Official

The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI

@semgrep✓ Official

A collection of skills for AI coding agents from Semgrep

@harness✓ Official

A collection of structured AI agent skills that enable Claude Code, Cursor, GitHub Copilot, and other AI coding assi

@modelcontextprotocol✓ Official

The official TypeScript SDK for Model Context Protocol servers and clients

@anthropics✓ Official

Anthropic's Interactive Prompt Engineering Tutorial

@anthropics✓ Official

The CLI for the Claude API

@anthropics✓ Official

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster

@anthropics✓ Official

Claude support for Apple Foundation Models

@anthropics✓ Official

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

@anthropics✓ Official

A suite of plugins for legal workflows

@anthropics✓ Official

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

@anthropics✓ Official

Head Vis Public Release

@anthropics✓ Official

Repo for the Claude Code Marketplace to use with the Claude for Life Sciences Launch. This will continue to host the mar

@anthropics✓ Official

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

@modelcontextprotocol✓ Official

The official Rust SDK for the Model Context Protocol

@microsoft✓ Official

A collection of skills and MCP systems to enable users of CLI, VSCode, Claude to operate over Microsoft Fabric

@modelcontextprotocol✓ Official

The official PHP SDK for Model Context Protocol servers and clients. Maintained in collaboration with The PHP Foundation

@microsoft✓ Official

Official agent plugin providing skills and MCP server configurations for Azure scenarios.

@microsoft✓ Official

Microsoft Dataverse skills for AI coding agents. Wraps the Dataverse MCP server, Dataverse CLI, Python SDK, and PAC CLI

@hashicorp✓ Official

A collection of Agent skills and Claude Code plugins for HashiCorp products.

@modelcontextprotocol✓ Official

The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

@anthropics✓ Official

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

@anthropics✓ Official

HTML effectiveness examples

@anthropics✓ Official

An implementation of the ConnectRPC protocol for Rust

@anthropics✓ Official

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

@anthropics✓ Official

Anthropic's educational courses

@anthropics✓ Official

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

@anthropics✓ Official

The foundational document describing Claude's values and behavior

@anthropics✓ Official

Chrome extension showing helpful troubleshooting when Tailscale .local domains fail to resolve

@anthropics✓ Official

Community plugin marketplace for Claude Cowork and Claude Code. Read-only mirror — submit plugins at clau.de/plugin-dire

@anthropics✓ Official

Anthropic Dev Container Features, including Claude Code CLI