Arcjet

Secure the AI agents you're building at runtime

Product HuntDeveloper ToolsLaunched Sep 21, 2026425#4 of the day

About Arcjet

Arcjet is the runtime security platform that ships in your AI code. Detect prompt injection, authorize agent tool calls, redact sensitive data, and block bots and abuse. Real-time security building blocks you call inside your app, before an action happens.

The person behind Arcjet

Shane O'Connor
Maker
GTM Advisor for AI and dev tools.
s***@arcjet.comUnverified

Arcjet's team page →

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