D20DAO Verifiable Randomness for LangChain
org.d20dao/vrf
Verifiable dice, draws and shuffles with on-chain VRF proofs on Arc. 0.05 USDC per draw.
client:LangChain
transport:stdio
runtime:npm
Install D20DAO Verifiable Randomness in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"vrf": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@d20dao/mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs