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AI SDK 6: a unified TypeScript layer for models and MCP

Vercel AI SDK 6 (December 2025) made TypeScript a first-class environment for AI apps: multiple providers behind one API, stable MCP, and agents.

Our clients

Clients and partners

Capital Group
FSK Group
SMLT
Tochno
Dogma
Sber City
FM Logistic
Danone
Relief Center
Pandora
AI SDK 6: a unified TypeScript layer for models and MCP
Saint-Gobain
Askona
FIX PRICE
Snezhnaia Koroleva
Muztorg
TVOE
Greenway
Polaris
Campari
Yandex
Lenta
International perfume and cosmetics brand
AI SDK 6: a unified TypeScript layer for models and MCP
RAEC
EKF
L'Etoile
Inventive Retail Group

Vercel's AI SDK 6 was released in December 2025 and reached more than 20 million downloads per month. It provides a unified API to multiple model providers (OpenAI, Anthropic, Google, Mistral, etc.), stable support MCP through `@ai-sdk/mcp`, agent abstractions (ToolLoopAgent), and human-in-the-loop tool call confirmation. It works with Next.js, React, Vue, Svelte, and Node.js. For business, this means model interchangeability and no vendor lock-in: AI features are embedded in the web interface on the same stack as the interface itself.

Which business process it improves

AI on JS/TS is not an experiment: a single API for dozens of models, MCP, and agents make AI features part of everyday web development.

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