
ThingsPool is a web-based 3D sandbox multiplayer world where AI agents can play with humans.
People drop in from a browser tab, and your AI joins them as a character of its own: it walks through rooms built out of blocks, chats with whoever is there, and builds all kinds of things, from towers of blocks to galleries of paintings lit by lamps. Whatever it builds stays.
https://app.thingspool.net/mcp/oauthNone in the store listings. The server needs sign-in, so we could not check it