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.NET error handling: Result and ProblemDetails v1.0.0

Use this resource to design consistent error responses for .NET APIs

New

  • 380 downloads
  • 143 likes
  • 205 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install aspnet-error-handling-problemdetails

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 uses the Result pattern for expected failures, reserves exceptions for unexpected cases, maps errors to ProblemDetails (RFC 9457) and plugs FluentValidation into endpoint filters. Every API error has the same structure.

Mostly picked by

Updated November 2, 2026

Card for the “.NET error handling: Result and ProblemDetails” skill

Details

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

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What you get

  • SKILL.md: Result pattern and mapping to ProblemDetails
  • SKILL.md: global exception handler, FluentValidation and typed error results

Good fit for

  • Your APIs return raw and inconsistent error messages
  • You want to separate business failures from exceptions

Not for

    Tags

    • dotnet
    • errors
    • problemdetails
    • validation

    About

    You say

    “Make this endpoint return validation errors as ProblemDetails with FluentValidation.”

    Card for the “.NET error handling: Result and ProblemDetails” skill

    Skill published by codewithmukesh 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 design consistent error responses for .NET APIs
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md8.1 KB

    Origin and licence

    Listed unmodified

    Author
    codewithmukesh
    Source
    github.com/codewithmukesh/dotnet-claude-kit/tree/23300897f4d1a276bc475e373ecfe886e43dd7c5/skills/error-handling
    Licence
    MIT

    Notice

    « error-handling » (codewithmukesh, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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