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mcp/harbor
LangChain

npm search for LangChain

io.github.ofershap/npm-search

npm search MCP — find packages, view details, compare, check downloads.

client:LangChain transport:stdio runtime:npm

Install npm search in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "npm-search": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "mcp-server-npm-search"],
        }
})

tools = await client.get_tools()

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

npm search in other clients

npm search MCP server