---
title: "Discussion on \"I Gave Codex My Mouse for a Day. Here's What Broke.\" | Hashnode"
description: "Discussion on \"I Gave Codex My Mouse for a Day. Here's What Broke.\". At 9:14 a.m. on a Tuesday I watched my cursor drift across the menu bar without me touching the trackpad. It hovered over the Numbers icon, paused, then double-clicked. A spreadsheet I had not opened in three weeks slid into focus, and a new column a..."
url: "https://hashnode.com/posts/2026-04-30-codex-computer-use-real-experiment/69f36e091d392faf1630b8e5"
---

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# [I Gave Codex My Mouse for a Day. Here's What Broke.](https://plzai.hashnode.dev/2026-04-30-codex-computer-use-real-experiment?utm_source=hashnode&utm_medium=feed)

At 9:14 a.m. on a Tuesday I watched my cursor drift across the menu bar without me touching the trackpad. It hovered over the Numbers icon, paused, then double-clicked. A spreadsheet I had not opened in three weeks slid into focus, and a new column a...

Apr 30 · 7 min read · plzai.hashnode.dev  
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