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LangChain

OpenResearch MCP for LangChain

io.github.olanokhin/openresearch-mcp

Zero-auth research MCP: web, academic, finance, news, weather, macro, social, SEC. No keys.

client:LangChain transport:stdio runtime:pypi

Install OpenResearch MCP in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "openresearch-mcp": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["openresearch-mcp"],
        }
})

tools = await client.get_tools()

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

OpenResearch MCP in other clients