anthropics / knowledge-work-plugins

Open-source plugins that specialize Claude for knowledge-work roles like sales, legal, finance, and support, for use in Claude Cowork.

CoplayDev / unity-mcp

MCP server and Unity Editor package that lets AI assistants control scenes, scripts, assets, tests, and builds in Unity.

strands-agents / harness-sdk

Open-source SDK for building and running AI agents in Python and TypeScript, with a fully assembled harness and a model-agnostic agent loop.