Phrony

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Product updates, engineering notes, and practical guidance for running governed AI agents in production.

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Let's Build a Refund Agent That Can't Send a Million Euros to a Customer

Your first Phrony agent, end to end: a manifest, a Python tool worker, and two policies — one that pauses big refunds for a human, and one that refuses absurd ones outright.

July 17, 2026

Emad Mamaghani20 min read

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Jul 8, 202615 min

Why AI Agents Need a Runtime, Not Just a Framework

Building agents is solved. Governing, versioning, approving, auditing, and operating them once they touch real systems is not — and that's a runtime's job, not a framework's.

Emad MamaghaniRead