Kastra logo

Kastra.

Trust the rules, not the agents—secure every AI action instantly

Runtime authorization layer for AI agents. Enforce policies with sub-1ms latency across Claude, Cursor, Codex & OpenClaw. Prevent unauthorized actions before they happen.

Rank
▲ #39
Votes
307
Platform
Web / Mobile
Launched
Recently
Kastra screenshot

More About Kastra

Kastra

Kastra is a runtime authorization platform built specifically for AI systems, enabling organizations to enforce granular security policies across agents, models, and AI tools before actions are executed. By delivering sub-millisecond policy decisions with cryptographic audit trails and zero implicit trust architecture, Kastra helps enterprises maintain complete visibility and control over their AI infrastructure without compromising performance or agility.

Product Highlights

  • Sub-Millisecond Policy Enforcement: Make authorization decisions faster than AI agents can execute actions, ensuring security never creates latency bottlenecks in production environments.

  • Cryptographic Audit Trails: Generate tamper-proof records of every AI decision and action with complete attribution, enabling compliance reporting and forensic investigation.

  • Zero Implicit Trust Architecture: Eliminate assumptions about AI system behavior by verifying every request against explicit policies, preventing unauthorized data access and unintended operations.

  • Multi-Layered Deployment: Deploy authorization at the edge, in the cloud, or across hybrid environments with consistent policy enforcement wherever AI systems operate.

  • AI-Native Policy Engine: Define rules using natural language or structured policies that understand AI-specific concepts like tool calling, model permissions, and agent workflows.

Use Cases

  • Enterprise AI Governance: Establish centralized control over hundreds of AI agents and models across departments, ensuring consistent security standards and regulatory compliance without slowing innovation.

  • Third-Party AI Integration: Safely incorporate external AI tools and models by enforcing strict boundaries on data access and permitted actions before integration into critical workflows.

  • Sensitive Data Protection: Prevent AI systems from accessing, processing, or exposing confidential information through real-time policy checks that intercept requests before execution.

  • Multi-Tenant AI Platforms: Enable secure isolation between customers or business units sharing AI infrastructure, with granular permissions that scale across complex organizational structures.

Target Audience

Kastra serves security architects, AI platform engineers, and compliance officers at mid-to-large enterprises deploying autonomous AI agents in production—particularly organizations in regulated industries like financial services, healthcare, and technology that require demonstrable control over AI decision-making without sacrificing operational speed.