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PerformanceStudio

Active·★ 199·MIT·Updated 2026-05-28
★ Trending★ Data Processing★ Dev Tooling

Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension. Built-in MCP server for AI-assisted plan review.

Performance Studio is a cross-platform SQL Server execution plan analyzer that parses .sqlplan XML, identifies performance problems, suggests missing indexes, and provides actionable warnings via CLI or desktop GUI. It includes a built-in MCP server for AI-assisted analysis, supports live plan capture from SQL Server, and offers features like plan comparison, Query Store integration, and SSMS extension.

#avalonia#cli#cross-platform#database-performance#dba-tools#dotnet#execution-plan#mcp-server
$ Install
$ git clone https://github.com/erikdarlingdata/PerformanceStudio.git && cd PerformanceStudio && dotnet build
↗ Visit site★ GitHub
01

Features

01Graphical plan tree with operator icons, cost percentages, row counts, and warning badges
0230 analysis rules covering memory, estimates, indexes, parallelism, joins, filters, functions, parameters, patterns, compilation, and objects
03Built-in MCP server for AI-assisted plan analysis via Claude Code or Cursor
04SSMS extension to open plans directly in Performance Studio from right-click menu
05Cross-platform support for Windows, macOS, and Linux with GUI and CLI
02

Compatibility

Windows
Full support
Verified via docs
macOS
Supported
Verified via docs
Linux
Partial support
Verified via docs
03

Quick start

1
$ git clone https://github.com/erikdarlingdata/PerformanceStudio.git
2
$ cd PerformanceStudio
3
$ dotnet build
04

Use cases

↳Analyze slow queries by loading .sqlplan files or capturing plans from live SQL Server instances
↳Identify missing indexes and performance warnings to optimize query performance
↳Compare two execution plans side-by-side to evaluate changes or tuning efforts
05

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Related searches

PerformanceStudio AlternativesBest Dev Tooling Tools 2026Open Source Dev ToolingPerformanceStudio TutorialPerformanceStudio Vs Competitorsavaloniaclicross-platform

Comments

Log in to leave a comment
  • A
    Aspen DavisMay 6, 2026

    Cross-platform GUI plus CLI means it works in CI pipelines and interactive analysis.

  • H
    Harley JohnsonApr 26, 2026

    Plan analysis quality matches expensive commercial tools.

  • D
    Dakota BrownMar 18, 2026

    Good for database developers and DBAs who optimize SQL Server query performance.

  • R
    River ZhangMar 2, 2026

    Free, open-source SQL Server execution plan analyzer — fills a gap in free SQL tooling.

On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
Stats
GitHub Stars★ 199
Last commit2d ago
StatusActive
LicenseMIT
CategoryDev Tooling
Trend (30d)
+7.9↑ 0.8%
Links
Documentation↗Discussion↗Issues↗Releases↗

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