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Validating NestJS DTOs with class-validator v1.0.0

Use this resource to validate incoming API data in NestJS with decorators

New

  • 371 downloads
  • 180 likes
  • 202 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install nestjs-dto-validation-decorators

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 writes DTOs validated with class-validator decorators: string, number, date and array validators, nested objects, ValidationPipe and partial DTOs for updates. An advanced file covers custom validators and validation groups.

Mostly picked by

Updated November 2, 2026

Card for the “Validating NestJS DTOs with class-validator” skill

Details

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

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What you get

  • SKILL.md: installation, common decorators and NestJS integration
  • advanced.md: custom validators, cross-field validation and groups

Good fit for

  • Your NestJS API validates inputs by hand
  • You are creating partial update DTOs

Not for

    Tags

    • nestjs
    • validation
    • dto
    • typescript

    About

    You say

    “Create the user creation DTO with email, name and an age between 18 and 120.”

    Card for the “Validating NestJS DTOs with class-validator” skill

    Skill published by claude-dev-suite 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 validate incoming API data in NestJS with decorators
    3. Review and adjust the result

    Content preview

    Files

    • advanced.md6.5 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md9 KB

    Origin and licence

    Listed unmodified

    Author
    claude-dev-suite
    Source
    github.com/claude-dev-suite/claude-dev-suite/tree/e10ab644ba43abe2abc923399226df4af7337214/skills/validation/class-validator
    Licence
    MIT

    Notice

    « class-validator » (claude-dev-suite, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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