Skip to content
mcp/harbor
LangChain

vantic for LangChain

ai.vanticlabs/vantic

Verify an AI agent's payment authority: signed mandates, allowlists, and tamper-proof receipts.

client:LangChain transport:stdio runtime:npm

Install vantic in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "vantic": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@vantic/sdk"],
        }
})

tools = await client.get_tools()

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

vantic in other clients

vantic MCP server