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Claude and ChatGPT can already write you an app. Getting it live is another story.
Today we're fixing that: connect @floothq, and you can build and ship real apps directly inside Claude and ChatGPT - on the web, in the desktop apps, or from your phone.
The model you already pay for writes and debugs the code, shows you a live preview, and publishes to your own domain. No git, Vercel, Supabase, Resend or OneSignal to set up - a stack of tools that was never built for you anyway.
And the part we're most excited about: Floot doesn't charge you AI credits.
Every message, every change, every random question uses the Claude or ChatGPT subscription you already have. No need to settle for a lesser model to make the credits last!
Why we're doing this: We started Floot to create the easiest and most powerful way to build with AI. Model constraints in 2025 meant you had to wrap AI APIs with careful engineering to get great results. Since then AI has advanced tremendously and no longer needs that wrapping. ChatGPT and Claude can use Floot to build end to end now, and the providers can give you the most economical and powerful AI directly - so we pass that along. You should get the best AI at the price you already pay, and spend your attention on the app, not the meter.
Takes a minute to connect. Free to start: floot.com
Most people don’t build software in a code editor anymore. Even more so, they'll build it in the chat window they already have open.
That's why we put Floot in the ChatGPT sidebar.
Floot already works as the best mcp for app building (we are the top ranked app builder on ChatGPT btw) but with the new ChatGPT capability it can now pass context directly to chat, send prompts on your behalf instead of having to copy&paste and can display the preview directly in your chats.
If you already use ChatGPT every day, what's the first thing you'd build?
Floot is now in your @ChatGPT sidebar
Describe the app you want, watch it build in a live preview, then publish it, right inside ChatGPT
When we applied to @ycombinator , we had $800 in monthly revenue.
We were running free tests, and people kept asking if they could pay us. So we started charging right before the application.
W27 applications close Nov 2. Someone on my team asked me this week what YC looks for. I think YC invests in team and traction, and maybe more in the team. Here's where I'd put the effort:
1. Fill in the achievements part properly. It's a required field anyway, so link it to what you're building. For us that was my time at Retool and the team's experience scaling a technical product for non-technical people.
2. Tell the story behind your traction. $800 a month is a small number. Users asking to pay for a free test says a lot more.
3. Put most of your prep into the team part. I don't have data on this, but from the stories I've heard, the team matters more than traction a lot of the time.
If you're waiting for bigger numbers before you apply, I wouldn't.
Apply here: ycombinator.com/apply. The on-time deadline is Nov 2, 8pm PT.
yuj retweeted
Pro tip: keep API keys and passwords out of your app's code.
A business site was hacked 6 days after launch. The admin password was right there in the page code.
• Add keys through Floot's key form, never the chat or the code
• Ask your AI to scan the project for passwords and keys
• Right-click your live site and open View Page Source. Strangers see that too.
yuj retweeted
Floot (@floothq) is where vibecoded software runs.
Yujian Yao (@yyjhao) rebuilt the runtime behind every Retool app as a staff engineer there, after being an early engineer at Asana. At YC in Summer 2025 Floot launched as an AI app builder for non-coders, built from the ground up for AI.
Today you connect Floot to Claude or ChatGPT and the model you already pay for builds a full stack app: backend, database, hosting and your own domain. It can even publish to iOS and Android.
@guilleflorvs and I are investors.
teapawt.net/rdominguezibar/status/…
PERSONAL NEWS: After 1 year in stealth @guilleflorvs and I are launching GR Angel
We invest in exceptional founders, put them in front of one of the biggest tech audiences in the world: + 600k followers, + 400k subs & 10M weekly views
Across our personal angel investments and GR Angel, we’ve now backed:
→ A portfolio that has raised $1.2B+
→ Companies including HappyRobot, Replit, Starcloud, Peec ai
→ Alongside investors including a16z, Sequoia, Founders Fund and General Catalyst
→ 1 Exit: Portco went from $10Kmrr to 7M arr in close to 1 year
Our distribution has helped startups get millions of views, increase their ARR, and receive term sheets
Now we’re looking for the most cracked founders worldwide, investing bigger checks, and hiring
you can reach out to us 24 7 👀
yuj retweeted
BREAKING: After 1 year in stealth, @rdominguezibar and I are launching GR Angel.
We invest in exceptional founders, put them in front of one of the biggest tech audiences in the world: + 600k followers, + 400k subs & 10M weekly views.
Across our personal angel investments and GR Angel, we’ve now backed:
→ A portfolio that has raised $1.2B+
→ Companies including HappyRobot, Replit, Nozomio, Throxy, Apollo Atomics, Gru Space, Didit, Aktoria Robotics, Arga Labs, Hyperspell and QFEX
→ Alongside investors including a16z, Sequoia, Founders Fund and General Catalyst
→ 1 Exit: Portco went from $10Kmrr to 7M arr in close to 1 year
Our distribution has helped startups get millions of views, one doubled its ARR and another received a $1M investment offer and much more.
Now we’re looking for the most cracked founders worldwide, investing bigger checks and starting our growth phase, you can reach out to us 24 7 and hiring 👀
We killed our old referral program when Floot changed. The old bonus just didn’t make sense for how people build now.
So I’m bringing it back, way simpler:
Every friend you bring who upgrades = half a month free for you. That’s it.
The credit goes straight to your next payment or auto-reload, or you can turn it into AI or hosting credits.
Building is better with friends. Bring yours 👇
floot.com/dashboard/referral…
Your app looks great when everything works.
But that’s the only way you’ve ever seen it.
Nobody clicks through to the failed save, or loads 500 items into a list to see if it holds up, or checks what a brand-new account with nothing in it looks like. Your users find those for you.
Today we’re launching Floot Examples.
Connect @floothq to Claude or ChatGPT and ask it to “create examples for the Home page.” You get your real page in each of those situations (loading, empty, failed, a very long list) as cards next to the preview, and you can open any of them and click around. The data behind them is staged, so nothing touches your database.
Your AI looks at them too. After a change it opens an example, takes a screenshot and checks the result, instead of telling you it’s fixed and hoping.
Vibe coding brings your idea to life. Craft is caring about the parts nobody demos, and Examples puts those in front of you.
How it works, with clips of each step: floot.com/docs/getting-start…
You built the app that runs your business with AI. Right now, anyone can find it on the internet and open it.
That changes today.
Introducing Internal publish. Put your app online without opening it to the world.
Your app keeps its URL. You choose who gets in. Everyone else stays outside.
And there’s no login system to build. Floot checks every request before it reaches your app, protecting pages and APIs alike. Access is enforced at the platform level, so you don’t have to rely on your app’s login code to keep it private.
Open Publish, choose Internal publish, and invite people by email. They receive an invite, sign in to Floot, and they’re in.
Custom domains work too, and you can make your app public at any time.
What would you build if it didn’t have to be public?
We started Floot with two engineers and a belief that anyone should be able to ship a real app. The product has grown a lot since then, and so has the team.
Today we're excited to welcome Joanie Lam as our first Founding Designer.
Joanie started out designing graphics for her family's fashion business, sharpened her craft at J.Crew and Gap Inc., and has since designed tools in aerospace, NASA, and nonprofits.
At Floot we're building the full system around AI that helps people ship real apps. Most of our users aren't engineers, so how the product feels matters as much as what it does. Every screen, every interaction, every moment where someone isn't sure what to do next is a design problem before it's an engineering problem. Until now, we've been solving those problems as we go. Joanie is here to solve them on purpose.
When we talked, what stood out to me most was how driven she is by impact. That's the mindset we want: real products, built for real people, that actually work.
She's also a new dog mom to Pom Pom, a Pomeranian mix with a 24/7 snack habit, and spends crab season catching Dungeness crab in San Francisco.
Welcome to Floot, Joanie!
SaaS we have got rid of at Floot: PostHog, DataDog, Slack, Crisp, Asana
They are really just postgres/clickhouse + UI
yuj retweeted
The hidden cost of a mobile app was never building it. It was building it three times.
With the Floot Connector, you describe it once in Claude or ChatGPT and Floot publishes it to the web, TestFlight, and Google Play from the same build. Sign into your Apple or Google developer account and Floot handles the setup.
One conversation. Three places.
He may be right but he could have just stay quiet as an investor. Wow
You are a struggling second tier competitor that is more unethical and lying just because you have no decency or sense of proper behavior and shows your desperation. Straight out lying about if Chris being fired I thought would be below even you.
Readers added context they thought people might want to know
Khosla is an investor in both Cognition and Factory. khoslaventures.com/category/enter…
yuj retweeted
Floot AI can turn recorded audio into text, with speaker labels and timestamps, so a meeting, an interview, or a voice note becomes something your app can search and act on. Describe what you want done with the transcript and Floot wires it in.
It runs on Google's new Gemini 3.5 Transcribe model. Try it in any Floot app today.
All the stuff OpenAI adding to their MCP support is amazing. Feels like Claude is falling behind even though it was the OG MCP creator