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Convex

A backend that keeps every screen of your app in sync the moment the data changes.

Open sourceWorks with Claude Code
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What is it?

Convex is a database and backend designed so your app updates live, everywhere, without you writing any of the plumbing. Change a record and every open screen showing it refreshes on its own.

You write your backend logic in TypeScript, the same language as the front end, which is why AI coding tools are unusually good at it. Convex publishes guidance specifically for Claude Code and other AI assistants, and its official connection lets Claude inspect data and run functions in your project.

It is a developer-first product; there is no spreadsheet-style view for non-technical teammates. If you are not building with Claude Code or a similar tool, Supabase or Airtable will feel more approachable.

Who it's for

People building collaborative or real-time apps with Claude Code who want the backend to just work.

Best for

  • Collaborative and multiplayer apps
  • Live dashboards
  • Apps built mostly by Claude Code
  • Chat and AI agent backends

Why it made the list

The backend AI coding tools make the fewest mistakes with, and live updates come free rather than as an afterthought.

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