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Harden an API: rate limits, CORS, validation v1.0.0

Use this resource to harden an API against abuse, injection and data leaks

New

  • 446 downloads
  • 203 likes
  • 207 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install api-hardening-owasp

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 reviews the API surface, adds rate limiting, strict CORS and input validation, then checks API keys and the OWASP API Top 10 risks. You get concrete protections for your framework.

Mostly picked by

Updated November 2, 2026

Card for the “Harden an API: rate limits, CORS, validation” skill

Details

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

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What you get

  • SKILL.md: preliminary research and OWASP API 2023 mapping
  • SKILL.md: rate limiting with Express and a custom sliding window

Good fit for

  • Bots are hitting your public API
  • You open an endpoint to a third-party browser and must configure CORS

Not for

    Tags

    • api
    • security
    • rate limiting
    • owasp

    About

    You say

    “Add rate limiting and strict validation to the sign-up routes of this Express API.”

    Card for the “Harden an API: rate limits, CORS, validation” skill

    Skill published by jamditis 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 harden an API against abuse, injection and data leaks
    3. Review and adjust the result

    Content preview

    Files

    • agents/openai.yaml0.1 KB
    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md47.6 KB

    Origin and licence

    Listed unmodified

    Author
    jamditis
    Source
    github.com/jamditis/claude-skills-journalism/tree/f0fea787072c174adaa6e4dfa3fa7565f169baad/security-toolkit/skills/api-hardening
    Licence
    MIT

    Notice

    « api-hardening » (jamditis, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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