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Kastra

Kastra is the runtime authorization layer for AI agents.

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About Kastra

Kastra is the runtime authorization layer for AI agents. Control what your AI is allowed to do. Sub-millisecond authorization for every prompt, tool call, shell command, and API request.

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What kind of project would you trust Kastra with first?Reply
Elsa V. Sep 25, 2026

Can Kastra handle large files? I work with big datasets.