AI Briefing
KO

The Agent Stack

·2026.06.17 13:30

Key point

Vercel has unveiled the Agent Stack, which provides model connectivity, workflow execution, and system integration capabilities needed for agent development.

Details

AI agents perform a wide range of tasks, from handling support tickets to writing code, and this requires three core capabilities: model connectivity, multi-step workflow execution, and integration with external systems.

Developers have struggled with being locked into a specific vendor, having to combine multiple solutions in complex ways, or having to build their own abstraction layers to implement these capabilities. Agent Stack provides all the building blocks needed to build production-grade agents.

Core Components:

  • AI SDK: Provides a single, platform- and model-agnostic interface that supports generating a variety of content, including text, images, and speech.
  • AI Gateway: Routes requests to hundreds of models through a global network, providing cost tracking and failover from a single endpoint.
  • Workflow SDK: Checkpoints each step of an agent's work, allowing tasks to resume from the last successful point instead of starting over from the beginning when an error occurs.
  • Vercel Sandbox: Provides isolated VMs so agents can execute code in a secure environment.

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