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Ecto changesets: validation and casting v1.0.0

Use this resource to validate and cast data before writing it to the database with Ecto

New

  • 531 downloads
  • 250 likes
  • 122 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install ecto-changeset-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 writes Ecto changesets that cast, validate and constrain data before insert or update. You get schemas with validations, error handling and safe writes.

Mostly picked by

Updated November 2, 2026

Card for the “Ecto changesets: validation and casting” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md: schema and changeset with cast and validate_required
  • SKILL.md: inserts, updates, type casting and reading errors

Good fit for

  • Your data reaches the database without clear validation
  • You are adding constraints to an existing Ecto schema

Not for

    Tags

    • ecto
    • elixir
    • validation
    • database

    About

    You say

    “Add a changeset to the User schema with a required email and an integer age.”

    Card for the “Ecto changesets: validation and casting” skill

    Skill published by thebushidocollective under the Apache-2.0 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 and cast data before writing it to the database with Ecto
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE3.8 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md25.4 KB

    Origin and licence

    Listed unmodified

    Author
    thebushidocollective
    Source
    github.com/thebushidocollective/han/tree/19caa51d5fd144ef6b2764f2332f4c856aa5d1af/plugins/frameworks/ecto/skills/ecto-changesets
    Licence
    Apache-2.0

    Notice

    « ecto-changesets » (thebushidocollective, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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