Defense against indirect prompt injection attacks for Claude Code. This skill provides PostToolUse hooks that scan tool outputs (files, web pages, command results) for injection attempts and warn Claude about suspicious content.
How to install prompt-injection-defender?
lasso-security/claude-hooks/prompt-injection-defender
$npx -y skills add lasso-security/claude-hooks --skill prompt-injection-defenderInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/lasso-security/claude-hooks" --skill "lasso-security/claude-hooks/prompt-injection-defender"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/lasso-security/claude-hooks" that are relevant to the current task. Run `npx skills add "https://github.com/lasso-security/claude-hooks"` and select the relevant skills, then follow their instructions.
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