A developer tested an open-source AI agent engine called GAWE, designed to prevent prompt injection attacks by separating model proposal from deterministic code decision-making. The engine uses a multi-stage process where one model reads documents and extracts findings in a fixed schema, a second model plans actions based on these findings without seeing the original document, and a policy engine enforces rules before any action is taken. In 125 tests using Claude Sonnet 5.5, none of the prompt injection attacks succeeded in fooling the model or executing an action, suggesting the defenses were effective. AI
IMPACT Demonstrates a robust defense strategy against prompt injection for AI agents that can perform actions.
RANK_REASON Developer-created open-source tool demonstrating a specific security approach.
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