Open-source projects tagged “anthropic”

A marketplace of plugins, agents, skills and commands for Claude Code, Codex CLI, Cursor, OpenCode, Copilot and other AI coding tools.

Self-hosted AI research assistant that runs deep, multi-step research with local or cloud LLMs and searches the web, academic databases and your own documents.

Unity Editor and runtime plugin that lets AI agents like Claude, Cursor and Copilot control Unity via MCP tools and generated skills.

A Claude Code template that sets up 49 specialized AI agents, 74 slash-command skills and coordination hooks to run a game project like a studio.

A terminal-based autonomous penetration testing agent that runs security tools, tracks engagement state, and coordinates multiple specialist subagents.

A modular orchestration system of plugins, agents and skills that automates task selection, code review, PR shipping and docs sync for AI coding agents.

A free, community-written guide to Claude Code in three levels, from first session to unattended multi-agent runs, with hands-on exercises.

A Claude Code plugin that interviews you, designs a full software architecture, and writes a self-contained blueprint that another Claude Code instance can build from.

A Claude Code plugin that stores Claude's session memory, decisions and fixes in a single portable .mv2 file inside your project.

An agent skill and stdlib Python service that strips AI provenance marks and C2PA metadata from text and files you own.

A catalog of 28 portable Agent Skills that give Claude Code, Copilot, Codex and Cursor structured reasoning procedures for decisions, diagnosis and risk.

A macOS notch companion (with Windows, Linux and iPhone/Android companions) that monitors AI coding agent sessions and lets you approve permissions from the notch.

A learning repo of 30 runnable Jupyter notebooks that walk through agent memory techniques for LLM agents, from conversation buffers to Mem0, Letta, Zep and Graphiti.

Local proxy that lets OpenAI Codex and Claude Code run on any LLM provider, including Claude, Gemini, Grok, DeepSeek, and Ollama.

A macOS menu bar app that shows live Claude Code status: an animated icon while working, a yellow dot when it needs your permission.

Local-first AI e-book reader for desktop and mobile, with RAG chat, semantic search, highlights, TTS and WebDAV sync.

A Chrome new-tab extension where Claude reads your browsing history and builds a fresh, personalized homepage each day.