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LangChain

a2db for LangChain

io.github.agentic-eng/a2db

Safe, read-only database access for AI agents. 5 databases, batch queries, SQLGlot.

client:LangChain transport:stdio runtime:pypi

Install a2db in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "a2db": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["a2db"],
        }
})

tools = await client.get_tools()

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

a2db in other clients