Codex's new update may just be the best thing to happen to solo founders everywhere.

@theblackfemaleengineer

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Selling · SaaS › AI Tool

Codexseen in 40 videos →https://theblackfemaleengineer.com/links ↗

Why it worked

The video succeeds by framing the product as a solution to a relatable, high-stress pain point for solo founders (manual bug fixing), making the demonstration feel like a helpful tutorial rather than a sales pitch.

Summary

The creator explains how she uses the new 'heartbeat' feature in the AI tool Codex to automate bug detection and fixing for her SaaS product. She demonstrates how the tool proactively identifies and resolves issues, allowing her to manage her startup more efficiently as a solo founder.

Structure

1Hook: Codex's new update for solo founders
2Problem: The struggle of manual bug fixing as a solo founder
3Solution: Introducing Codex 'heartbeats' for automated workflows
4Demo: Showing the tool catching a bug and fixing it automatically
5Feature Highlight: Using ImageGen to improve user experience
6

Original caption

Codex now babysits my startup while I sleep. Check the link in my bio to get started. @OpenAI #ChatGPTPartner #OpenAI #AItools #SoloFounder #BuildInPublic

More from @theblackfemaleengineer

Their other posts in the index, biggest breakout first.

CTA: Directing viewers to the bio link for prompts and tool access

Product placement

Codex is the primary subject of the video, shown through screen recordings of its interface and discussed as the solution to the creator's workflow problems.

Call to action

Check the link in my bio to get started.

On-screen text

Codex's new update may just be the best thing to happen to solo founders everywhere. Quick context I'm a solo founder that just released her very first SaaS product and now have five paying users and they deserve the best which lately has been staying up in the middle of the night to address any and all bugs that arise. But I said enough and built a Codex heartbeat instead. Heartbeats are new they let a single Codex thread wake up on a schedule and keep working with the full context of what we've already been building together. I told mine to run my user flows end to end every hour. If anything breaks handle it and ping me in Slack. Now watch this. Even at 2:00am Codex wakes up runs my flow catches a bug that would have cost me users writes the fix and opens a PR. The bug it found is that new users were hitting an empty dashboard and thought the product was broken so I used ImageGen in Codex to generate an illustration for that blank screen so users know what to expect. And image V2 just launched in Codex. It requires zero setup and is the best image model out right now by a wide margin. This ability to have one person run a product like a team is what makes Codex feel built for solo founders. If you're solo founding in 2026 and wanna use Codex the way I do I've put together 10 heartbeat prompts that have given me hours of my day back. You can find the link to that along with the link to get started with Codex up in my bio.

Transcript

Codex's new update may just be the best thing to happen to solo founders everywhere. Quick context, I'm a solo founder that just released her very first SaaS product and now have five paying users and they deserve the best, which lately has meant staying up in the middle of the night to address any and all bugs that arise. But I said enough and built a Codex heartbeat instead. Heartbeats are new. They let a single Codex thread wake up on a schedule and keep working with the full context of what we've already been building together. I told mine to run my user flows end to end every hour. If anything breaks, handle it and ping me in Slack. Now watch this. Even at 2:00am, Codex wakes up, runs my flow, catches a bug that would have cost me users, writes the fix and opens a PR. The bug it found is that new users were hitting an empty dashboard and thought the product was broken, so I used ImageGen in Codex to generate an illustration for that blank screen so users know what to expect. And image V2 just launched in Codex. It requires zero setup and is the best image model out right now by a wide margin. This ability to have one person run a product like a team is what makes Codex feel built for solo founders. If you're solo founding in 2026 and wanna use Codex the way I do, I've put together 10 heartbeat prompts that have given me hours of my day back. You can find the link to that along with the link to get started with Codex up in my bio.