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Perplexity AI•July 29, 2026
Numbat
Open Source
AI Security
Agent Security
Endpoint Protection
Forensics
### TL;DR
Numbat is an open-source security framework designed to provide visibility, detection, and response capabilities for AI agents running on local endpoints. It integrates with agent harnesses to monitor activity, enforce security policies via pre-action hooks, and perform forensic reconstruction of agent sessions.
Key Insights & Metrics
Pricing
Free and open source (Apache License 2.0)
Cost structure
Version
0.1.2
Current release version
Hardware
Supports macOS, Linux, and Windows on amd64 and arm64 architectures and requires Go 1.26.5 or newer to compile
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region
Key Features
- Real-time monitoring via local hooks, plugins, and OTLP/HTTP log exporters
- Endpoint-local detection using Common Expression Language (CEL) and custom YAML rules
- Optional pre-action blocking to prevent high-risk agent behaviors
- Forensic reconstruction of agent sessions from on-disk artifacts
- Single-binary distribution for macOS, Linux, and Windows
- Read-only artifact scanning with automated secret redaction
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