discovered 01 Sep 2026
prompt-hardener
→ View on GitHubPrompt Hardener is a tool designed to analyze and mitigate prompt-injection risks in LLM-based agents and applications. It enables users to define system specifications, perform security analyses across various layers, generate recommendations, and validate defenses through adversarial simulations. Notable features include a deterministic workflow that does not require LLM API keys for most operations, support for multiple agent types, and the ability to export results in various formats.