prompt-security-hardening

Reviews prompts and configurations for secure handling of sensitive information and secret management best practices.

2|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/vivshaw/nous --skill prompt-security-hardening
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prompt-security-hardening
Source: https://github.com/vivshaw/nous/tree/main/plugins/meta/skills/prompt-security-hardening
Command: npx skills add https://github.com/vivshaw/nous --skill prompt-security-hardening

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps prevent secret leakage by ensuring safe handling of sensitive information in prompts, directives, and configurations.

Core Features & Use Cases

  • Secret Leak Prevention: Identifies and prevents the inclusion of secrets in context windows.
  • Safe Coding Practices: Promotes safe coding practices, such as avoiding hardcoded secrets.
  • File Permissions Management: Guides the setting of restrictive file permissions on sensitive files.
  • Secure File Handling: Offers guidelines on handling secret-bearing files to avoid accidental exposure.
  • Use Case: When developing skills or agents that involve handling secrets, this Skill provides a comprehensive set of guidelines to ensure the security of the data.

Quick Start

Run the prompt-security-hardening skill to review security best practices for handling secrets in your projects.

Frequently Asked Questions about prompt-security-hardening

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent secret leakage in LLM prompts and directives?

To prevent secret leakage, you must avoid hardcoded secrets and ensure safe handling of sensitive information in prompts and configurations. This involves reviewing context windows to identify and block the inclusion of sensitive data before processing.

What are the best practices for secure file handling of sensitive configuration data?

Secure file handling requires setting restrictive file permissions on sensitive files. Developers should follow specific guidelines to manage these files properly, mitigating the risk of accidental exposure of secret-bearing configurations.

How do I securely manage hardcoded secrets when developing AI agents?

Securely managing hardcoded secrets involves adopting safe coding practices that remove sensitive data from source code. Developers should use dedicated secret management guidelines to ensure configurations do not expose credentials in agent environments.

Does this approach to sensitive data protection work for general software engineering projects?

Yes, this sensitive data protection approach is designed for developers working on skills and agents. It provides comprehensive security guidelines applicable to any software engineering project involving secret management and secure coding.

Why do I need secret management guidelines for my context windows?

You need secret management guidelines because context windows can inadvertently process and expose sensitive information. Implementing strict security practices prevents secret leakage by ensuring sensitive data is never included in the prompt context.