Vercel AI SDK
TypeScript toolkit for building AI apps and agents with streaming and tool-calling.
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What it is
Vercel's open-source SDK for building AI-powered applications, with an Agent abstraction, structured outputs, and a streaming UI layer. AI SDK 6 added reusable agents with scoped tools and stateful context.
How AI plugs in
A unified TypeScript API abstracts every model provider with an Agent loop, tool-calling, structured outputs, and streaming UI primitives.
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