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MCPOpen source

Open-source desktop SQL workspace with built-in MCP server, SQL notebooks, and 16 database plugins.

5kApache-2.0

Open-source desktop SQL workspace with 3 built-in database drivers and 16 shipped plugins, including SQL Server, DuckDB, ClickHouse and Redis. Built-in MCP server for Claude, Cursor and Devin, SQL notebooks and visual EXPLAIN.

Pros

  • +Built-in MCP server lets Claude, Cursor, and Devin read schemas and run queries
  • +SQL notebooks with Markdown cells, cross-cell variables, and charts
  • +Plugin system supports any language via JSON-RPC over stdio
  • +Visual EXPLAIN with interactive plan graphs and local AI text-to-SQL via Ollama

Cons

  • −Desktop app requires per-OS installation and updates
  • −Plugin ecosystem still maturing with 16 shipped plugins
  • −AI features are optional and require separate local model setup

Target audience: Developers and data engineers who want an open-source SQL GUI with native AI agent integration and extensible database support.

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