Harry Vu Le | SaasDev

Senior developer UI/UX designer and AI SaaS developer. Currently creating Companion Cursor, an AI desktop assistant that sees/talk/ and draw on your screen

[Harry Vu Le | SaasDev @vu_le65668]

Fable can actually design!!! You can now make ads straight from Fable 5.2

[Harry Vu Le | SaasDev @vu_le65668]

When it comes to design, it's not about the model, it's about how you prompt your AI. You don't need Fable 5.2 to create this.
I made it using Gemini 3.8 Flash (Medium output) with D3motion.

Here's how 🧵

[Harry Vu Le | SaasDev @vu_le65668]

The last step is super easy. Just open D3motion, select your HTML file, choose your custom settings, and render your high-quality MP4 video.

[Harry Vu Le | SaasDev @vu_le65668]

I've attached the skill file. Use it along with this prompt. Important: Do not use Playwright, as it will consume extra credits. We'll directly render the HTML file using the D3motion app instead.

[Harry Vu Le | SaasDev @vu_le65668]

urning every review into a rule is the job now that's level 6.
every mistake becomes a rule, so it never happens twice

I mapped all 7 levels in the article below, from one chat to a team that runs overnight.
a prompt for each one

[Harry Vu Le | SaasDev @vu_le65668]

HOLY F*CK.
Lauren Tan hasn't read her agents' code in months.
they merged 3,500 PRs anyway SpaceXAI engineer:
"most engineers still check every line their agent writes
I run 60+ agents and haven't opened their code in months.

Read more below...

[Harry Vu Le | SaasDev @vu_le65668]

every review comment I ever wrote is a CI rule now"
53 minutes.
she shows how her agents shipped 3,500 PRs last month while she slept
Prompting - Reviewing - Verifying - Delegating - Sleeping
reviewing code used to be the job.
t

[Harry Vu Le | SaasDev @vu_le65668]

Fable 5.2 is genuinely the best UI design model that's ever been created.

[Harry Vu Le | SaasDev @vu_le65668]

@TapuUi84336 Thank you! Follow you btw

[Harry Vu Le | SaasDev @vu_le65668]

Remember, 90% the reasons making your app go viral is design and user interface.

These are some examples of design that went viral

[Harry Vu Le | SaasDev @vu_le65668]

Get this design (prompt + project file): https://t.co/K3folVmCbo

[Harry Vu Le | SaasDev @vu_le65668]

The most unique dark/light switch you've every seen

[Harry Vu Le | SaasDev @vu_le65668]

Current AI situation 💀
Please catchup with the AI Era @thsottiaux @OpenAI

[Harry Vu Le | SaasDev @vu_le65668]

Vibe coders!! Always learn from the best AI egineer about their agent orchestration. It will save you a ton of time.

Presentend by Lauren Tan. @poteto

[Harry Vu Le | SaasDev @vu_le65668]

Recent landing page design ✨

[Harry Vu Le | SaasDev @vu_le65668]

GTA 6 Rockstar took 8 years.

Fable 5.2 is gonna do it in 7 days.

[Harry Vu Le | SaasDev @vu_le65668]

@Ainsley0_0_ @X Hi Ainsley, I'm a UIUX developer from Vietnam. Love to connect with you!

[Harry Vu Le | SaasDev @vu_le65668]

@techdudejax Hello, just follow you! Let's connect!

[Harry Vu Le | SaasDev @vu_le65668]

If you're into vibe coding, MCP workflows, and AI UI/UX setups, I share daily breakdowns like this—follow along so you don't miss the next one.

[Harry Vu Le | SaasDev @vu_le65668]

Fable can actually design!!! You can now make ads straight from Fable 5.2

[Harry Vu Le | SaasDev @vu_le65668]

@uriel_builds @X Just follow you, let's connect

[Harry Vu Le | SaasDev @vu_le65668]

Hey @X I'm looking to #connect with people interested in:
🚀 SaaS
📷 Vibe Coders
📷 Mobile Apps
📷 Live Coding
📷 Startups

If you're interested, we can start this journey together!

[Harry Vu Le | SaasDev @vu_le65668]

@sklyarov Impressive! Wow I haven't met anyone who started before 2005. You must be leading in a lot of design!!

[Harry Vu Le | SaasDev @vu_le65668]

I want to connect with a
Fellow X members with less than 10,000 followers👀

If you’re growing on X,
love tech and building with AI,
Or building a startup,

let’s connect🤝