prompt-injection-scanner

SKILL.md

Purpose and Intent The prompt-injection-scanner is a security tool specifically for the AI agent era. It identifies weak points in agent instructions where a malicious user could potentially "hijack" the agent's behavior by inserting conflicting instructions into input fields.

Output A structured report highlighting parts of the instructions that are susceptible to prompt hijacking, along with concrete mitigation strategies.

Audits agent skill instructions and system prompts for vulnerabilities to prompt hijacking and indirect injection. Use when designing new agent skills or before deploying agents to public environments where users provide untrusted input. Source: jorgealves/agent_skills.

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/jorgealves/agent_skills --skill prompt-injection-scanner Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor

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