AI
Plugins and skills

As of Nov 2 Look at the repository before you install: skills instruct the assistant, hooks and MCP servers run commands on your machine. This list is not a security review.

• csharp-refactoring Official

  Has the assistant restructure C# code through rename, extract, move and inline edits, then confirm with a build and tests that behavior held.

  Tooling and workflow dotnet/skills ★ 5.8k in the dotnet plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet.

  On its own

  npx skills add dotnet/skills --skill csharp-refactoring -a codexCopy
• msbuild Official

  Has the assistant analyze failing dotnet build, restore, pack and publish runs from binlogs, separate root causes, and fix MSBuild condition and target problems.

  Build and packages dotnet/skills ★ 5.8k in the dotnet plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet.

  On its own

  npx skills add dotnet/skills --skill msbuild -a codexCopy
• setup-local-sdk Official

  Has the assistant install a .NET SDK into a project-local .dotnet/ folder wired via global.json paths, leaving the system-wide installation untouched.

  Tooling and workflow dotnet/skills ★ 5.8k in the dotnet plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet.

  On its own

  npx skills add dotnet/skills --skill setup-local-sdk -a codexCopy
• csharp-scripts Official

  Has the assistant build and run C# file-based apps with #:package, #:property and #:include directives, without creating a project.

  C# and language dotnet/skills ★ 5.8k in the dotnet-advanced plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-advanced.

  On its own

  npx skills add dotnet/skills --skill csharp-scripts -a codexCopy
• dotnet-pinvoke Official

  Has the assistant write correct P/Invoke and LibraryImport declarations for C/C++ libraries, covering string marshalling, memory ownership and SafeHandle.

  Performance and diagnostics dotnet/skills ★ 5.8k in the dotnet-advanced plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-advanced.

  On its own

  npx skills add dotnet/skills --skill dotnet-pinvoke -a codexCopy
• nuget-trusted-publishing Official

  Has the assistant set up NuGet trusted publishing via OIDC in a GitHub Actions repo, replacing long-lived API keys with short-lived tokens.

  Build and packages dotnet/skills ★ 5.8k in the dotnet-advanced plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-advanced.

  On its own

  npx skills add dotnet/skills --skill nuget-trusted-publishing -a codexCopy
• vectorization Official

  Has the assistant write SIMD loops with TensorPrimitives and Vector128, then check scalar contract equivalence, tail handling and measured speedups.

  C# and language dotnet/skills ★ 5.8k in the dotnet-advanced plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-advanced.

  On its own

  npx skills add dotnet/skills --skill vectorization -a codexCopy
• technology-selection Official

  Has the assistant pick the right .NET AI stack (ML.NET, Microsoft.Extensions.AI, Agent Framework, ONNX Runtime) for a task and implement it.

  AI and agents dotnet/skills ★ 5.8k in the dotnet-ai plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-ai.

  On its own

  npx skills add dotnet/skills --skill technology-selection -a codexCopy
• convert-blazor-server-to-webapp Official

  Has the assistant migrate a pre-.NET 8 Blazor Server app from AddServerSideBlazor/MapBlazorHub and _Host.cshtml to the Blazor Web App model with App.razor.

  Web dotnet/skills ★ 5.8k in the dotnet-aspnetcore plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-aspnetcore.

  On its own

  npx skills add dotnet/skills --skill convert-blazor-server-to-webapp -a codexCopy
• dotnet-webapi Official

  Has the assistant add or change ASP.NET Core Web API endpoints with correct HTTP semantics, OpenAPI metadata and central error handling.

  Web dotnet/skills ★ 5.8k in the dotnet-aspnetcore plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

  Then open /plugins in Codex and install dotnet-aspnetcore.

  On its own

  npx skills add dotnet/skills --skill dotnet-webapi -a codexCopy