Skip to content

LangChain mcp ip_blocklist_check

How to: LangChain mcp ip_blocklist_check

client:LangChain transport:streamable-http tool:ip_blocklist_check

Add mcp to LangChain

  1. 01

    Open pip install langchain-mcp-adapters and merge this in. Keep any servers already there.

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mcp": {
            "transport": "streamable_http",
            "url": "https://mcp.robtex.com/mcp",
        }
})

tools = await client.get_tools()
  1. 02

    Save the file and restart LangChain.

  2. 03

    Ask for something ip_blocklist_check does. LangChain lists the server's tools on connect and calls ip_blocklist_check itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that mcp's identifier in your config matches the one above exactly.

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

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.