{"repo":"erikdarlingdata/PerformanceMonitor","free":true,"listed":false,"github":"https://github.com/erikdarlingdata/PerformanceMonitor","clone":"git clone https://github.com/erikdarlingdata/PerformanceMonitor.git","description":"Free, open-source SQL Server performance monitoring — 32 collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis. Supports SQL 2016-2025, Azure SQL, AWS RDS.","language":"C#","stars":469,"topics":["aws-rds","azure-sql","blocking","database-monitoring","dba-tools","deadlocks","dotnet","duckdb","performance-monitoring","query-performance"],"license":"MIT","category":"mcp-servers","readme_excerpt":"SQL Server Performance Monitor Free, open-source monitoring that replaces the tools charging you thousands per server per year. Specialized collectors, real-time alerts, and a built-in MCP server for AI analysis. Nothing phones home. Your data stays on your server and your machine. Supported: SQL Server 2016–2025 Azure SQL Managed Instance AWS RDS for SQL Server Azure SQL Database (Lite and Darling) --- Editions Pick by how you want collection to run — the monitoring brain (collectors, alert engine, plan analysis, MCP tools) is shared across all three at the library level. Lite — flagship Darling — headless Dashboard — deprecated --- --- --- --- How it runs Single desktop app monitors remotely, on demand Windows service collects 24/7 into a central store; detached viewer reads it from any seat SQL-Server-installed database + Agent collectors, separate viewer app Installs on your server? No No Yes (a PerformanceMonitor database) Stores data Local DuckDB + Parquet Bundled PostgreSQL + TimescaleDB In the target SQL Server Best for Quick triage, Azure SQL DB, locked-down servers, consultants, firefighting Always-on monitoring of many servers from one service Existing installs only — new deployments should use Lite or Darling Requires VIEW SERVER STATE (permissions) VIEW SERVER STATE + a place to run the service SQL Agent (Dashboard docs) ⚠️ The \"Full\" Dashboard edition is deprecated. Existing installs keep working and remain on bug-fix support, but it is no longer the recommended","default_branch":null,"files":null,"tree":[],"storefront":"/r/erikdarlingdata","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/erikdarlingdata/PerformanceMonitor/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}