Agent runtime infrastructure Coding Agents Observability Security

Numbat

Visibility into AI agent activity on endpoints, with on-device detection, optional pre-action blocking, and forensic reconstruction.

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Numbat is Perplexity's open-source agent security suite for client endpoints. It monitors AI agent activity across desktop, CLI, IDE, and gateway agents; performs local detection; can optionally block pre-action events; and supports forensic reconstruction from session artifacts.

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releasePRIMARY2026-07-29

Perplexity opens Numbat for pre-action agent detection and response

Perplexity open-sourced Numbat to monitor desktop, CLI, IDE, and gateway agents before they act. The layer supports audit events, pre-action blocking, alerts, and forensic review.