# OpenAI's Codex now encrypts instructions between AI agents, leaving developers blind to internal delegation

> Source: <https://the-decoder.com/openais-codex-now-encrypts-instructions-between-ai-agents-leaving-developers-blind-to-internal-delegation/>
> Published: 2026-07-15 08:30:48+00:00

Since early June, OpenAI's coding tool Codex encrypts the instructions a main agent passes to its subagents. Developers can no longer track how tasks get delegated internally. For the larger GPT-5.6 variants Sol and Terra, the encryption is mandatory.

The article [OpenAI's Codex now encrypts instructions between AI agents, leaving developers blind to internal delegation](https://the-decoder.com/openais-codex-now-encrypts-instructions-between-ai-agents-leaving-developers-blind-to-internal-delegation/) appeared first on [The Decoder](https://the-decoder.com).