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LangChain

mcp openapi runner for LangChain

io.github.saurav61091/mcp-openapi-runner

Turn any OpenAPI 3.x spec into callable MCP tools for Claude. No custom integration code needed.

client:LangChain transport:stdio runtime:npm

Install mcp openapi runner in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

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