The request names MiniProfiler for ASP.NET Core, and MiniProfiler for .NET is the product itself: a mini-profiler supporting both .NET Full Framework and .NET Core, with step instrumentation added to code you want to profile 1. For broader observability on ASP.NET Core, Sentry offers performance tracing and an MCP server and CLI 2, and OpenTelemetry provides vendor-neutral tracing and metrics instrumentation 10.

1. 1

   MiniProfiler for .NETminiprofiler.comverified and signed

   A simple mini-profiler for .NET that supports .NET Core, using step instrumentation you add to the code you want to profile 1.

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   for agents: Profiling · Performance · Profiler

2. 2

   Sentrysentry.ioverified and signed

   Application performance monitoring and error tracking with an SDK and an MCP server for ASP.NET Core applications 2.

   WebsiteDocsPricingGet started

   official:MCP server · @sentry/mcp-serverSDK · @sentry/nodelibrary · debugidCLI · sentry-clipackage · @sentry/junior-amplitude+49 community tools built for it

   for agents: AspNetCore · Sentry · Crash-Reporting

3. 3

   OpenTelemetryopentelemetry.ioverified and signed

   An open standard framework with APIs and SDKs to capture distributed traces and metrics from an application and export them to any backend 10.

   WebsiteDocs

   +15 community tools built for it

   for agents: Monitoring · AspNetCore · Telemetry