Release

The full version of Patronus Protect is about to launch.

We are preparing the release and have paused the downloads until then.

1 month free

for everyone on the waitlist, applied automatically at launch

One email at launch with your free month, product updates in between. Unsubscribe any time with one click.

  • 100% on-device
  • Works offline & air-gapped
  • GDPR by architecture
  • OpenAI
  • Claude
  • Gemini
  • Copilot
  • Mistral
  • Ollama
  • Perplexity
  • Meta AI
  • + every other provider

Patronus Protect

This is what launches.

Patronus Protect is the full version: the on-device AI firewall with real-time enforcement. The table shows what it adds over the free Monitor edition, and your first month of it is free if you are on the waitlist.

Patronus MonitorFreePatronus ProtectPaid · first month free
AI inventory & shadow AI discovery
Live visibility into AI traffic (apps, browsers, agents)
Tray status & local activity view
Runs fully on-device, works offline
Blocking & redaction (allow, flag, redact, block)
Policies per provider, tool and capability
Prompt injection & PII protection
Control for autonomous agents & MCP servers

Downloads paused until launch

The full release is almost ready. Join the waitlist and you get one month of Patronus Protect free at launch.

Join the waitlist

Installation

Up and running in three steps

1

Install

Open the .dmg and drag Patronus into Applications, or run the Windows installer.

2

Grant permissions

Approve the network extension on first launch so Patronus can see AI traffic. The app guides you through it.

3

Done, full visibility

The tray icon shows live AI activity on the device. When you want enforcement on top, request a Protect trial.

Detailed setup, permissions and rollout guidance: Open the docs

Patronus Protect in detail

Your Rules. Your Traffic. Your Policies.

This is what the full version looks like: policies, AI blocker and governance run 100% on-device, no external resources needed to detect, protect and govern your AI infrastructure.

Patronus Tray

Patronus Tray

Endpoint tray status for quick visibility into active protection, monitoring state, and local controls.

Policies

Policies

Policy controls for provider rules, capabilities, and governance decisions across supported AI tools. Protect only.

AI Inventory

AI Inventory

AI inventory for discovered tools, provider usage, and endpoint-level activity across the organization.

AI Capabilities

AI Capabilities

Capability mapping for understanding what AI tools can access and how each capability is categorized.

Product Video

See Patronus Protect in Action!

See how Patronus works across apps and how to configure policies with immediate effect.

Be there at launch, with one month of Protect free.

Request a Protect trial