LangChain

R3 for LangChain

org.r3js/r3

Build 3D web apps: physics, audio, music, Blender import. Live edits, undo, versions, publishing.

client:LangChain transport:streamable-http tools:80

Install R3 in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "r3": {
            "transport": "streamable_http",
            "url": "https://mcp.r3js.org/mcp",
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

What LangChain can do once it is connected

All 80 tools →

R3 in other clients