Perplexity's open-source agent detection and response layer, Numbat, blocks selected actions before execution

Perplexity's open-source agent detection and response layer, Numbat, blocks selected actions before execution

2026-07-29 17:31View Original

According to the official announcement, Perplexity today open-sources Numbat, a detection and response layer designed for agent-centric scenarios, engineered to operate across diverse agent frameworks. Numbat primarily provides security teams with visibility into agent activities, enabling relevant teams to observe agent behaviors across different frameworks and preemptively block selected operations before execution. This project focuses on agent security defense and operational control, with core functionalities including activity detection, response orchestration, and pre-execution interception.

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