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C# nullable reference types and migration v1.0.0

Use this resource to introduce and use nullable reference types in C#

New

  • 515 downloads
  • 158 likes
  • 229 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install csharp-nullable-reference-types

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent turns on nullability analysis, annotates signatures with System.Diagnostics.CodeAnalysis attributes and restructures code before suppressing a warning. It also migrates legacy code gradually and protects public APIs.

Mostly picked by

Updated November 2, 2026

Card for the “C# nullable reference types and migration” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: nullability model, configuration and API rules
  • nullable-attributes-reference.md: catalogue of nullability attributes
  • nrt-migration-playbook-reference.md: gradual migration of existing code

Good fit for

  • You migrate a .NET library to explicit nullability.
  • A null-forgiving operator hides real errors.

Not for

    Tags

    • csharp
    • nullable
    • migration
    • attributes

    About

    You say

    “Migrate this project to nullable reference types without breaking the public API.”

    Card for the “C# nullable reference types and migration” skill

    Skill published by aaronontheweb under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to introduce and use nullable reference types in C#
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • nrt-migration-playbook-reference.md14.9 KB
    • nullable-attributes-reference.md14.7 KB
    • SKILL.md11.5 KB

    Origin and licence

    Listed unmodified

    Author
    aaronontheweb
    Source
    github.com/aaronontheweb/dotnet-skills/tree/5ca5db8cf25566f19d2a5dc53204d4af22b23a0d/skills/csharp-nullable-reference-types
    Licence
    MIT

    Notice

    « csharp-nullable-reference-types » (aaronontheweb, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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