LangChain

proof of custody for LangChain

io.github.onrampbtc/proof-of-custody

Bitcoin custody scores, failure registry, ETF custody, stablecoin and x402 data, source router.

client:LangChain transport:streamable-http tools:15

Install proof of custody in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "proof-of-custody": {
            "transport": "streamable_http",
            "url": "https://proofofcustody.io/api/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

proof of custody in other clients

proof of custody MCP server