anthropics
anthropics's tracked open-source repos, sorted by stars.
- #1skills@anthropics
Public repository for Agent Skills
★ 172,107+1,385Star change over the last 7 days - #2claude-code@anthropics
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.
★ 143,215+1,036Star change over the last 7 days - #3claude-cookbooks@anthropics
A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.
★ 52,211+283Star change over the last 7 days - #4prompt-eng-interactive-tutorial@anthropics
Anthropic's Interactive Prompt Engineering Tutorial
★ 37,813+76Star change over the last 7 days - #5claude-plugins-official@anthropics
Official, Anthropic-managed directory of high quality Claude Code Plugins.
★ 34,743+985Star change over the last 7 days - #6financial-services@anthropics★ 34,556+120Star change over the last 7 days
- #7knowledge-work-plugins@anthropics
Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork
★ 23,712+128Star change over the last 7 days - #8courses@anthropics
Anthropic's educational courses
★ 22,709+40Star change over the last 7 days - #9claude-quickstarts@anthropics
A collection of projects designed to help developers quickly get started with building deployable applications using the Claude API
★ 17,556+65Star change over the last 7 days - #10claude-for-legal@anthropics
A suite of plugins for legal workflows
★ 9,280+72Star change over the last 7 days - #11claude-code-action@anthropics★ 8,739+60Star change over the last 7 days
- #12claude-agent-sdk-python@anthropics★ 7,990+45Star change over the last 7 days
- #13defending-code-reference-harness@anthropics
Skills for threat modeling, scanning, triage, patching, plus an autonomous scanning harness you can /customize
★ 7,372+38Star change over the last 7 days - #14claude-code-security-review@anthropics
An AI-powered security review GitHub Action using Claude to analyze code changes for security vulnerabilities.
★ 6,107+135Star change over the last 7 days - #15original_performance_takehome@anthropics
Anthropic's original performance take-home, now open for you to try!
★ 4,123+16Star change over the last 7 days - #16anthropic-sdk-python@anthropics★ 3,860+21Star change over the last 7 days
- #17claudes-c-compiler@anthropics
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.
★ 2,774+5Star change over the last 7 days - #18claude-agent-sdk-demos@anthropics
Claude Code SDK Demos
★ 2,727+3Star change over the last 7 days - #19claude-desktop-buddy@anthropics
Reference and an example for the Bluetooth API for makers in Claude Cowork & Claude Code Desktop
★ 2,554+12Star change over the last 7 days - #20claude-plugins-community@anthropics
Community plugin marketplace for Claude Cowork and Claude Code. Read-only mirror — submit plugins at clau.de/plugin-directory-submission.
★ 2,442—Star change over the last 7 days - #21anthropic-sdk-typescript@anthropics
Access to Anthropic's safety-first language model APIs in TypeScript
★ 2,099+5Star change over the last 7 days - #22cwc-workshops@anthropics★ 2,028+27Star change over the last 7 days
- #23jacobian-lens@anthropics
Companion code for the global workspace interpretability paper
★ 1,839+32Star change over the last 7 days - #24claude-agent-sdk-typescript@anthropics★ 1,719+12Star change over the last 7 days
- #25anthropic-sdk-go@anthropics
Access to Anthropic's safety-first language model APIs via Go
★ 1,181+2Star change over the last 7 days - #26launch-your-agent@anthropics
Claude Code skills that take a founder from idea to a live Claude Managed Agent: interview, scope a v0, launch in their own account, grade it, iterate, and schedule it
★ 964+9Star change over the last 7 days - #27claude-code-base-action@anthropics
This repo is a mirror of the contents of base-action in https://github.com/anthropics/claude-code-action.
★ 958+8Star change over the last 7 days - #28buffa@anthropics
Rust implementation of protobuf with editions support, JSON serialization, and zero-copy views
★ 871+5Star change over the last 7 days - #29cwc-long-running-agents@anthropics★ 667+2Star change over the last 7 days
- #30html-effectiveness@anthropics
HTML effectiveness examples
★ 644+3Star change over the last 7 days - #31anthropic-cli@anthropics
The CLI for the Claude API
★ 623+4Star change over the last 7 days - #32life-sciences@anthropics
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.
★ 580+2Star change over the last 7 days
