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.

Only the skills of dotnet-upgrade · All skills

• dotnet-aot-compat Official

  Has the assistant resolve IL trim and AOT analyzer warnings such as IL2026 and IL2070 with annotations, making the project Native AOT compatible.

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

  codex plugin marketplace add dotnet/skillsCopy

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

  On its own

  npx skills add dotnet/skills --skill dotnet-aot-compat -a codexCopy
• migrate-dotnet10-to-dotnet11 Official

  Has the assistant move a .NET 10 project to net11.0 step by step, fixing build errors and breaking changes from the runtime, C# 15 compiler and EF Core 11.

  Upgrades and migration dotnet/skills ★ 5.8k in the dotnet-upgrade plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

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

  On its own

  npx skills add dotnet/skills --skill migrate-dotnet10-to-dotnet11 -a codexCopy
• migrate-dotnet8-to-dotnet9 Official

  Has the assistant move a .NET 8 project to net9.0 and fix breaking changes such as BinaryFormatter removal, SYSLIB warnings and EF Core 9 changes.

  Upgrades and migration dotnet/skills ★ 5.8k in the dotnet-upgrade plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

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

  On its own

  npx skills add dotnet/skills --skill migrate-dotnet8-to-dotnet9 -a codexCopy
• migrate-dotnet9-to-dotnet10 Official

  Has the assistant move a .NET 9 project to net10.0 and step by step fix build errors, behavioral changes and obsoletion warnings.

  Upgrades and migration dotnet/skills ★ 5.8k in the dotnet-upgrade plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

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

  On its own

  npx skills add dotnet/skills --skill migrate-dotnet9-to-dotnet10 -a codexCopy
• migrate-nullable-references Official

  Has the assistant enable nullable reference types in an existing C# project, resolve CS86xx warnings step by step, and annotate public APIs with accurate nullability.

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

  codex plugin marketplace add dotnet/skillsCopy

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

  On its own

  npx skills add dotnet/skills --skill migrate-nullable-references -a codexCopy
• thread-abort-migration Official

  Has the assistant find Thread.Abort usages in .NET Framework code and move them to cooperative cancellation for .NET 6+.

  Upgrades and migration dotnet/skills ★ 5.8k in the dotnet-upgrade plugin MIT
  Install for Codex / ChatGPT With the plugin

  codex plugin marketplace add dotnet/skillsCopy

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

  On its own

  npx skills add dotnet/skills --skill thread-abort-migration -a codexCopy