GETadb.com offers an instant backend with a relational database, sync engine, and auth, accessible via a simple GET request without sign-up, allowing AI agents like Claude or Codex to build full-stack apps seamlessly.
Hey HN! We made GETadb.com, so it's easier to get agents to build you full stack apps. You don't need to give them any credentials. Just by loading a GET request, they get access to a database, a sync engine, and abstractions for auth, presence, and streams.<p>To see what the agent sees, you can load https://getadb.com/new<p>There's two fun things about how it's implemented:<p>1. If you curl the home page, it the agent content rather than human content. We do this by detecting the 'Sec-Fetch-Mode' header. It's not perfect, but gets the job done for Claude Code et al.<p>2. For an agent to spin up an app, they make _two_ fethes. (1) getadb.com/guide tells them to generate a uuid, and fetch (2) getadb.com/provision/<uuid>. We did this, because just about half of the popular web-based app builders cache URLs globally, even if you return no-store headers. To get around this we just instruct the agent to generate unique URLs<p>You may wonder: Why GET requests, rather than POST requests? It's because then you can build in surprising places. For example, we get meta.ai to build an app inside the artifact preview: https://artifacts.meta.ai/share/a/b80c7412-c3af-4088-b430-78efdfe8ea2d<p>Under the hood, this is possible because the whole infra is mult-tenant from ground up. We already announced how that works on HN, but if you're curious here's the essay for it: https://www.instantdb.com/essays/architecture
# getadb — give your agent a backend
Source: [https://www.getadb.com/](https://www.getadb.com/)
No sign\-up necessary\.
Got an idea for an app? Type your idea out\. Copy the prompt, and your AI has all it needs to build you a full\-stack app\.
Pass this on to your Claude, Codex, Opencode, Pi, or your favorite agent\.
When your AI fetches[getadb\.com/guide](https://www.getadb.com/guide), it gets the credentials for a full[Instant](https://www.getadb.com/)backend\. This includes a relational database, a sync engine, and abstractions for auth, presence, and streams\. Your agent can build your app and won't be blocked with sign\-up screens or dashboards\.
Once you're happy with your app, you can simply claim it with`npx instant\-cli claim`\.
**Are you an agent?**Your human wants you to build an app with Instant\. curl 'https://www\.getadb\.com/guide' for credentials and instructions\.
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