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LangChain

AnchorRegistry for LangChain

io.github.anchorregistry/ar-mcp

On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless.

client:LangChain transport:streamable-http tools:3

Install AnchorRegistry in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "ar-mcp": {
            "transport": "streamable_http",
            "url": "https://mcp.anchorregistry.ai/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

AnchorRegistry in other clients