SQL Server Performance Monitor
SQL Server performance monitoring with DuckDB storage and natural language queries for CPU, wait stats, blocking, query performanc
A free, open-source SQL Server performance monitoring tool (Lite edition) that remotely queries DMVs without installing anything on the target server. Stores collected metrics locally in DuckDB with automatic Parquet archival. Includes an embedded MCP server exposing tools for diagnosing CPU issues, wait statistics, blocking chains, query performance, memory pressure, I/O bottlenecks, TempDB contention, SQL Agent job health, and alerting. Supports SQL Server 2016-2025, Azure SQL MI, AWS RDS, and Azure SQL Database.
Source
Repository: https://github.com/erikdarlingdata/performancemonitor/tree/HEAD/Lite
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