Arcjet

Secure the AI agents you're building at runtime

by David Mytton, Cassie Gatton, Shane O'Connor·Developer Tools·tracked since Sep 25, 2026
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Monthly revenue–Not shared yet
Rank–Unranked
Last 30 days–Growth in MRR
Revenue per founder–3 founders

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.

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Questions

Who founded Arcjet?

Arcjet was founded by David Mytton, Cassie Gatton, Shane O'Connor.