AIがコードを書く時代のバックエンドはこれだ！「Instant 1.0」がついにリリース

AI（人工知能）によって生成されるアプリケーションに特化した、革新的なバックエンドサービス「Instant 1.0」が登場しました。AIによる爆速開発が主流となる中で、そのスピード感に完璧に追従し、スムーズな連携を可能にする次世代のバックエンドインフラとして注目を集めています。AI時代の開発フローを最適化する強力なツールです。

Is InstantDB no longer about local-first or is the AI angle just a marketing thing?

They actually deliver on the promise of "relational queries && real-time," which is no small feat.

Though, their console feels like it didn't get the love that the rest of the infra / website did.

Congrats on the 1.0 launch! I'm excited to keep building with Instant.

I wonder if people really need this. How many people are really building multiplayer apps like Figma, Linear etc? I'm guessing 99% are CRUD and I doubt that will change. Even if so, would you want to vendor lock into some proprietary technology rather than build with tried and tested open source components?

For people like me — who are kind of familiar with how react/jetpack compose/flutter like frameworks work — I recall using react-widget/composables which seamlessly update when these register to receive updates to the underlying datamodel. The persistence boundary in these apps was the app/device where it was running. The datamodel was local. You still had to worry about making the data updates to servers and back to get to other devices/apps.

Instant crosses that persistence boundary, your app can propagate updates to any one who has subscribed to the abstract datastore — which is on a server somewhere, so you the engineer don't have to write that code. Right?

But how is this different/better than things like, i wanna say, vercel/nextjs or the like that host similar infra?

This is super cool and exactly what I've been looking for for personal projects I think. I wanna try it out, but the "agent" part could be more seamless. How does my coding agent know how to work this thing?

I'd suggest including a skill for this, or if there's already one linking to it on the blog!

One thing I have always wanted to do is cancel an AI Agent executing remotely that I kicked off as it streamed its part by part response(part could words, list of urls or whatever you want the FE to display). A good example is web-researcher agent that searches and fetches web pages remotely and sends it back to the local sub-agent to summarize the results. This is something claude-code in the terminal does not quite provide. In Instant would this be trivial to build?

Here is how I built it in a WUI: I sent SSE events from Server -> Client streaming web-search progress, but then the client could update a x box on "parent" widget using the id from a SSE event using a simple REST call. The id could belong to parent web-search or to certain URLs which are being fetched.
And then whatever is yielding your SSE lines would check the db would cancel the send(assuming it had not sent all the words already).

How does security and isolation work? If someone else's account is compromised, how do I know I won't be? If instant is compromised, how do I know I won't be?

An honest question - why would we need any frameworks at all for vibe coded apps? I can just tell the coding agent to use pure HTML5/Vanilla JS/CSS on the frontend and pure whatever on the backend and it would do it. No need for hundreds/thousands dependencies. For deployment I can ask the coding agent to do the same.

Seems like a supabase competitor?

Thanks, this might be exactly what I'm looking for.

I see you have support for vanilla js and svelte, but it's unclear whether you can get all the same functionality if you don't use React. Is React the only first class citizen in this stack?