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.
Arcjet
Launch date

Arcjet for AI coding agentsSecurity policies for Claude Code, Codex, Cursor, and more
Launched on October 9th, 2026

