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mcp/harbor
LangChain

sql-steward for LangChain

io.github.pawansingh3889/sql-steward

The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.

client:LangChain transport:stdio runtime:pypi

Install sql-steward in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

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

tools = await client.get_tools()

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

sql-steward in other clients

sql-steward MCP server