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Email sending tests in a sandbox v1.0.0

Use this resource to capture outgoing emails in a test inbox without delivering them

New

  • 401 downloads
  • 113 likes
  • 220 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install email-sandbox-testing

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 sets up sending to a Mailtrap sandbox over API or SMTP, then helps inspect the HTML and spam checks. You test your emails without risking delivery to real recipients.

Mostly picked by

Updated November 2, 2026

Card for the “Email sending tests in a sandbox” skill

Details

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

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What you get

  • SKILL.md: API versus SMTP choice and sandbox settings
  • SKILL.md: typical use cases and example API paths

Good fit for

  • You want to test welcome emails in CI without sending them
  • You check the HTML rendering of a transactional email before release

Not for

    Tags

    • email
    • testing
    • mailtrap
    • ci

    About

    You say

    “Point password reset emails to my Mailtrap sandbox.”

    Card for the “Email sending tests in a sandbox” skill

    Skill published by sickn33 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 capture outgoing emails in a test inbox without delivering them
    3. Review and adjust the result

    Content preview

    Files

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

    Origin and licence

    Listed unmodified

    Author
    sickn33
    Source
    github.com/sickn33/agentic-awesome-skills/tree/e9809578fd426a284af017c5db99f8eb6628e6ca/skills/mailtrap-testing-with-sandbox
    Licence
    MIT

    Notice

    « mailtrap-testing-with-sandbox » (sickn33, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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