Chat thread and message persistence for the Vercel AI SDK - UIMessage-native schema, branching, resumable streams, Postgres and SQLite. Your database, your data.
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Updated
Sep 28, 2026 - TypeScript
Chat thread and message persistence for the Vercel AI SDK - UIMessage-native schema, branching, resumable streams, Postgres and SQLite. Your database, your data.
Translate Amazon Bedrock Agent InvokeAgent event streams into AI SDK UI message stream parts, so useChat works against a Bedrock agent backend. TypeScript, zero runtime dependencies.
Companion app to "The two state machines inside useChat": a live AI SDK chat with instruments showing the four-value status, the state of every message part, and the stream that writes both.
Vercel AI SDK transport over Hibira channels: useChat answers that survive reconnects and reloads and reach every tab and device
A durable Eve channel for Vercel AI SDK useChat frontends.
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