Kastra Offers Runtime Policy Enforcement for AI Coding Agents Like Claude and Cursor

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Two developers have launched Kastra, a tool that intercepts AI coding agent actions and evaluates them against user-defined policies before they execute. The project was motivated by a near-miss incident in which a Cursor agent almost ran a destructive SQL command against a production database. Kastra supports allow, hold, and deny decisions for every tool call, with policies writable in plain English via a web dashboard. The platform also includes a Recon feature that scans local agent session history to surface previously taken risky actions, such as touching production databases or writing secrets to tracked files. Core features including the desktop app, CLI, and Recon scan are available free to developers, with the team seeking feedback from those building multi-agent systems.

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