Culprit SQL Studio

Find slow SQL queries across databases and get instant fixes

by tashaaidir

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Oct 20, 2026 Developer Tools

command-line database performance open source query analysis sql optimization

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Culprit SQL Studio helps developers identify and optimize slow SQL queries across SQL Server, PostgreSQL, MySQL, and MariaDB databases. Simply analyze your queries and receive one-sentence fixes to improve performance.Available as a free, open-source desktop application, command-line interface (CLI), and Model Context Protocol (MCP) server, it integrates seamlessly into your development workflow.FEATURESPerformance Optimizer: Identifies slow queries and provides simple one-sentence fixes to speed them up.Multi Database Support: Works across SQL Server, PostgreSQL, MySQL, and MariaDB databases.Desktop Application: Offers a free, open-source graphical interface for easy desktop use.CLI Tool: Includes a command-line interface for quick access directly from your terminal.MCP Server: Acts as an MCP server to integrate performance insights into your existing development tools. Workflow Integration: Designed to fit easily into your daily coding routine without extra hassle.