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EgorBo/BlazingFastDotnet

A single SKILL.md of .NET 10-11 performance tuning tips for AI coding agents, aimed mainly at benchmark workloads.

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What is it?

Blazing Fast .NET collects tips and tricks for tuning .NET 10.0 through 11.0 workloads, with a focus on benchmark-style performance work. The content is packaged as a single SKILL.md file that AI coding agents can read on demand, and it is also readable as a plain Markdown document.

The intended workflow is to point an agent at the file while optimizing an app: measure a baseline, profile to locate the real bottleneck, apply one change at a time, and keep only changes that produce a measurable gain. The author notes it is meant to be consulted when needed rather than run as an always-on skill.

The project is not an official Microsoft guide. It also includes a prompt for auditing a codebase against Microsoft's unsafe-code best practices, reporting correctness issues and anti-patterns. The guidance deliberately avoids unsafe code, ArrayPool, and third-party dependencies beyond BenchmarkDotNet and FlameGraph.

Key features

  • 01Packaged as one SKILL.md file for AI coding agents
  • 02Covers .NET 10.0 through 11.0 performance tuning
  • 03Emphasizes measuring a baseline and profiling before changes
  • 04Includes a prompt for auditing code against unsafe-code best practices
  • 05Limits third-party dependencies to BenchmarkDotNet and FlameGraph

Use cases

  • Optimizing a .NET application with a coding agent guided by measured results
  • Preparing benchmark experiments for .NET 10 or 11 code
  • Reviewing a C# codebase for unsafe-code pitfalls

Quick start

  1. 1

    Open the SKILL.md file from the repository

  2. 2

    Paste the usage prompt with the SKILL.md link into your coding agent

Things to know

  • This is not an official Microsoft guide, so verify its advice yourself.
  • It is aimed mainly at benchmark workloads and is meant to be consulted on demand, not used always-on.

In collections

Open-source AI agent frameworks & apps

Topics

#dotnet#performance#profiling#benchmarking#csharp#ai-agent#diagnostics

FAQ

What is BlazingFastDotnet?
A single SKILL.md of .NET 10-11 performance tuning tips for AI coding agents, aimed mainly at benchmark workloads. Blazing Fast .NET collects tips and tricks for tuning .NET 10.0 through 11.0 workloads, with a focus on benchmark-style performance work. The content is packaged as a single SKILL.md file that AI coding agents can read on demand, and it is also readable as a plain Markdown document.
Is BlazingFastDotnet free to use? What license does it have?
BlazingFastDotnet is open source under the MIT license. Check the license terms before using it in commercial products.
Is BlazingFastDotnet still maintained?
Actively maintained. The last commit to BlazingFastDotnet was on Nov 1, 2026.
What can I use BlazingFastDotnet for?
Optimizing a .NET application with a coding agent guided by measured results Preparing benchmark experiments for .NET 10 or 11 code Reviewing a C# codebase for unsafe-code pitfalls
How do I install BlazingFastDotnet?
Open the SKILL.md file from the repository Paste the usage prompt with the SKILL.md link into your coding agent
Where can I get BlazingFastDotnet?
The source code and installation instructions are on GitHub: https://github.com/EgorBo/BlazingFastDotnet

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