Show HN: Agent Gate – a deterministic CI firewall for AI-generated PRs (github.com)

Agent Gate has been introduced as a pre-release deterministic Continuous Integration (CI) firewall specifically designed to scrutinize AI-generated pull requests (PRs). This tool ensures that no AI-generated PR can be merged without substantial proof of compliance with set protocols. It evaluates various critical factors, such as PR contracts, risky paths, agent instruction drift, workflow permissions, and matching test evidence—essentially acting as a safeguard against potentially unsafe changes introduced by AI agents. Notably, Agent Gate operates without checking out PR code or executing scripts from the repository, which mitigates risks associated with running untrusted code. The significance of Agent Gate lies in its ability to address emerging concerns within the AI/ML community related to AI's integration in software development, particularly around security and governance. As AI systems generate code, the risk of errors and malicious alterations increases; Agent Gate mitigates this by blocking out-of-scope edits and unauthorized permission escalations. The tool reports its findings in both human-readable and machine-readable formats, ensuring clarity and transparency. As it evolves, the framework aims to enhance confidence in the use of AI-generated code by providing robust protective measures, thereby paving the way for safer collaboration between human developers and AI agents.