Polymation for LangChain
io.github.paradoxsyn/rivemcp
Author Rive (.riv/.rev) and convert Lottie, After Effects, Figma and Spline into it, offline.
client:LangChain
transport:stdio
runtime:npm
Install Polymation in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"rivemcp": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "rivemcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs