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Validate data at every layer v1.0.0

Use this resource to add validation at each layer so invalid data cannot cause a failure

New

  • 477 downloads
  • 234 likes
  • 143 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install layered-data-validation

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 places validation at the entry point, in business logic, in environment guards and in debug instrumentation. It explains why a single check is not enough and applies the pattern to your code.

Mostly picked by

Updated November 2, 2026

Card for the “Validate data at every layer” skill

Details

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

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What you get

  • SKILL.md: the four validation layers
  • SKILL.md: applying the pattern and a worked session example

Good fit for

  • A bug caused by invalid data was fixed in only one place
  • Invalid data causes a failure far from where it entered

Not for

    Tags

    • validation
    • data
    • robustness
    • layers
    • debugging

    About

    You say

    “Add validation at each layer of the amount processing, to rule out negative values.”

    Card for the “Validate data at every layer” skill

    Skill published by nickcrew 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 add validation at each layer so invalid data cannot cause a failure
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md4.1 KB

    Origin and licence

    Listed unmodified

    Author
    nickcrew
    Source
    github.com/nickcrew/claude-cortex/tree/bb47af79ad3befe01ae01940fcf5f16e30a1b6df/skills/defense-in-depth
    Licence
    MIT

    Notice

    « defense-in-depth » (nickcrew, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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