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PerformanceMonitor
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PerformanceMonitor

Active·★ 403·MIT·Updated 2026-05-29
★ Hidden Gem★ Observability★ Data Processing

Free, open-source SQL Server performance monitoring. Full Edition (server-installed, 30 collectors) and Lite Edition (standalone, DuckDB). Built-in MCP server for AI integration.

SQL Server Performance Monitor is a free, open-source tool designed to monitor SQL Server instances with over 30 collectors and real-time alerts, aiming to replace expensive commercial solutions. It offers both a full server-installed edition and a standalone Lite edition, featuring AI-powered analysis integration and no data telemetry.

#SQL Server#Performance Monitoring#Database Administration#Real-time Alerts#AI Analysis#Open Source#T-SQL#.NET
$ Install
$ PerformanceMonitorInstaller.exe YourServerName
↗ Visit site★ GitHub
01

Features

0132 specialized T-SQL collectors for various metrics (wait stats, query performance, deadlocks, etc.).
02Real-time alerts for critical issues like blocking, deadlocks, and high CPU, delivered via system tray and email.
03Built-in MCP server offering AI-powered analysis with LLM clients like Claude Code for interpreting monitoring data.
04Graphical plan viewer with native ShowPlan rendering, 30-rule PlanAnalyzer, and standalone mode.
05No telemetry or cloud dependency; all data remains on your server and machine.
02

Compatibility

SQL Server (2016-2025)
Target Database
Verified via docs
Azure SQL Managed Instance
Cloud Platform
Verified via docs
AWS RDS for SQL Server
Cloud Platform
Verified via docs
Azure SQL Database
Cloud Platform (Lite)
Verified via docs
.NET 8 Desktop Runtime
Runtime
Verified via docs
Windows
Operating System
Verified via docs
03

Quick start

1
$ PerformanceMonitorInstaller.exe YourServerName
04

Use cases

↳24/7 production SQL Server monitoring and long-term performance baselining.
↳Rapid troubleshooting and 'firefighting' on SQL Server instances, including locked-down or cloud environments like Azure SQL DB.
↳Consultants needing to quickly assess server health without installing anything on the target server.
↳Leveraging AI/LLM tools (like Claude Code) for in-depth analysis of collected monitoring data.
05

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Related searches

PerformanceMonitor AlternativesBest RAG / Knowledge Base Tools 2026Open Source RAG / Knowledge BasePerformanceMonitor TutorialPerformanceMonitor Vs CompetitorsSQL ServerPerformance MonitoringDatabase Administration

Comments

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  • J
    Justice LewisMay 1, 2026

    Used for SQL Server performance troubleshooting automation, accurate diagnosis

  • O
    Oaklyn GarciaApr 30, 2026

    Good for DBAs who want AI-assisted SQL Server monitoring without expensive tooling

  • Avery Chen
    Avery ChenApr 21, 2026

    The full edition with server installation provides comprehensive monitoring coverage

  • S
    Sage LewisApr 5, 2026

    Free open-source SQL Server performance monitoring that actually catches real problems

On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
Stats
GitHub Stars★ 403
Last commit1d ago
StatusActive
LicenseMIT
CategoryRAG / Knowledge Base
Trend (30d)
+16.1↑ 0.4%
Links
Documentation↗Discussion↗Issues↗Releases↗

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