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mcp/harbor
LangChain

OpenAPI APIs for LangChain

io.github.alyiox/mcp-openapix

MCP server that fronts any OpenAPI service: discover operations from its spec and call them

client:LangChain transport:stdio runtime:pypi

Install OpenAPI APIs in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

OpenAPI APIs in other clients

OpenAPI APIs MCP server