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24:41
In this solo episode I walk through Codex Sites end to end, building a real internal tool live so you can copy the exact workflow. I open by comparing Codex Sites with one-prompt tools like Replit and Lovable, then construct a Startup Ideas OS board in six prompts. Along the way I cover memory and persistent storage, safe actions, Codex skills, save-gates, and proving the loop so the app updates autonomously. The core promise: by the end you know how to ship a Codex Site that an agent keeps operating for you. This one suits builders who already live in Codex and want self-updating products.
Timestamps
00:00 – Intro and Episode Agenda
01:17 – Codex Sites vs Replit and Lovable
04:33 – The Build Plan: Startup Ideas OS
05:08 – Prompt 1: Build the Shell with Sites
07:02 – Plugins Worth Using and Game Studio
08:54 – First Board Review
09:21 – Prompt 2: Add Memory and Show the Data Model
10:56 – Prompt 3: Create Safe Actions
13:25 – Prompt 4: Create the Startup Ideas Admin Skill
14:51 – Prompt 5: Save-Gate and Checkpoints
16:29 – Prompt 6: Prove the Loop from a New Chat
18:10 – Publish, Auth, and Live Updates
20:28 – TLDR: Memory, Safe Actions, Skills
22:40 – The Real Unlock and Closing Thoughts
Key Points
Codex Sites rewards builders who already live in Codex by updating apps autonomously after launch.
Replit, Lovable, and Bolt stay the simpler one-prompt choice; Codex Sites trades that for autonomy and self-updating products.
Out of the box you prompt in auth, databases, payments, email, analytics, and a secrets vault yourself.
I build a Startup Ideas OS board in six prompts: shell, memory, safe actions, a skill, a save-gate, and a proof loop.
Safe actions let an agent call approved buttons and named mutations, so edits flow from any chat.
The real payoff is autonomous products that Codex keeps operating and improving on a live URL.
The #1 tool to find startup ideas/trends - https://www.ideabrowser.com
LCA helps Fortune 500s and fast-growing startups build their future - from Warner Music to Fortnite to Dropbox. We turn 'what if' into reality with AI, apps, and next-gen products https://latecheckout.agency/
The Vibe Marketer - Resources for people into vibe marketing/marketing with AI: https://www.thevibemarketer.com/
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