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dotnet-diagby .NET Team at MicrosoftDevelopmentGitHub stars: 5.6k

Dotnet Diag plugin: what it installs and how to add it

Supports .NET performance investigations, debugging, crash symbolication, tracing, dumps, and incident analysis.

From the Marketplace: dotnet-agent-skills marketplace

Install

> /plugin marketplace add dotnet/skills> /plugin install dotnet-diag@dotnet-agent-skills

Run both lines inside Claude Code: the first adds the marketplace, the second installs the plugin.

What is inside

  • 7skills
  • 1agent

About this plugin

Dotnet Diag provides guidance for investigating .NET performance issues, debugging runtime behaviour, collecting traces and dumps, and analysing incidents. It also covers Android tombstone and Apple crash symbolication, CLR activation debugging, and microbenchmarking.

Reach for it when diagnosing slow or failing .NET applications across desktop, server, mobile, or runtime environments. The package exposes its skills to the coding agent and includes an agent definition for optimising .NET performance.

What's inside

  • 7 skills: analysing .NET performance, Android tombstone symbolication, Apple crash symbolication, CLR activation debugging, .NET trace collection, dump collection, and microbenchmarking
  • 1 agent definition: optimizing-dotnet-performance

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