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mcp/harbor
LangChain

4q tokenz for LangChain

io.github.steveweltman/4q-tokenz

Intelligent MCP proxy that reduces token usage by exposing only mcp_search and mcp_call.

client:LangChain transport:stdio runtime:npm

Install 4q tokenz in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "4q-tokenz": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "4q-tokenz"],
        }
})

tools = await client.get_tools()

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

4q tokenz in other clients

4q tokenz MCP server