From 1b73843628fdfbb3968f89427fc272b8add483b0 Mon Sep 17 00:00:00 2001
From: pakrym-oai <pakrym@openai.com>
Date: Fri, 12 Jun 2026 12:31:54 -0700
Subject: [PATCH] docs: add crate API surface review rule

---
 AGENTS.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/AGENTS.md b/AGENTS.md
index 0118ef77b216..016b80205666 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -81,6 +81,10 @@ Likewise, when reviewing code, do not hesitate to push back on PRs that would un
 
 ## Code Review Rules
 
+### Crate API surface
+
+Keep crate API surfaces as small as possible. Avoid proliferating test-only helpers.
+
 ### Model visible context
 
 Codex maintains a context (history of messages) that is sent to the model in inference requests.