database mcp postgres for LangChain
io.github.arifulislamat/database-mcp-postgres
MCP server for PostgreSQL. Read-only by default, row caps, timeouts, secrets never logged.
client:LangChain
transport:stdio
runtime:npm
Install database mcp postgres in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"database-mcp-postgres": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@database-mcp/postgres"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs