Security-first MCP server for PostgreSQL, SQLite, MySQL, DuckDB with SQL injection prevention.
To add universal-db-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
uvx universal-db-mcp@1.1.2Environment variables
POSTGRES_URISet in your MCP configSQLITE_PATHSet in your MCP configMYSQL_URISet in your MCP configDUCKDB_PATHSet in your MCP configALLOW_DESTRUCTIVESet in your MCP configMAX_RESULT_ROWSSet in your MCP configInstall with your client
claude mcp add universal-db --env POSTGRES_URI=<YOUR_POSTGRES_URI> --env SQLITE_PATH=<YOUR_SQLITE_PATH> --env MYSQL_URI=<YOUR_MYSQL_URI> --env DUCKDB_PATH=<YOUR_DUCKDB_PATH> --env ALLOW_DESTRUCTIVE=<YOUR_ALLOW_DESTRUCTIVE> --env MAX_RESULT_ROWS=<YOUR_MAX_RESULT_ROWS> -- uvx universal-db-mcp@1.1.2
Run this in a terminal to add the server to Claude Code.
What this does
universal-db-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
POSTGRES_URI SQLITE_PATH MYSQL_URI DUCKDB_PATH ALLOW_DESTRUCTIVE MAX_RESULT_ROWS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install universal-db-mcp?
Run the Claude Code command in the install section to add universal-db-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with universal-db-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to universal-db-mcp as well.
Does universal-db-mcp need an API key?
Yes. Before it can run, set these environment variables: POSTGRES_URI, SQLITE_PATH, MYSQL_URI, DUCKDB_PATH, ALLOW_DESTRUCTIVE, MAX_RESULT_ROWS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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