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Harden code against common vulnerabilities v1.0.0

Use this resource to harden code against common web vulnerabilities

New

  • 538 downloads
  • 203 likes
  • 167 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install web-app-security-hardening

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 builds a threat model before coding, then applies security rules to untrusted input, authentication, sensitive data and external integrations, using OWASP Top 10 prevention patterns. It asks for confirmation before sensitive changes.

Mostly picked by

Updated November 2, 2026

Card for the “Harden code against common vulnerabilities” skill

Details

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

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What you get

  • SKILL.md: always-do and never-do rules, threat model process and OWASP patterns
  • references/security-checklist.md: security checklist

Good fit for

  • You are adding a form, a login or a file upload
  • You are integrating payments or personal data

Not for

    Tags

    • security
    • OWASP
    • authentication
    • validation

    About

    You say

    “Review the authentication and form inputs of my sign-up flow and harden them.”

    Card for the “Harden code against common vulnerabilities” 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 harden code against common web vulnerabilities
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/security-checklist.md0.8 KB
    • SKILL.md22.5 KB

    Origin and licence

    Listed unmodified

    Author
    sickn33
    Source
    github.com/sickn33/agentic-awesome-skills/tree/e9809578fd426a284af017c5db99f8eb6628e6ca/skills/security-and-hardening
    Licence
    MIT

    Notice

    « security-and-hardening » (sickn33, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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