The Agent Stack

Vercel has grouped its agent-building tools under one name, the Agent Stack: building blocks for connecting to models, running long, multi-step workflows, and reaching outside systems and chat platforms.

• AI SDK gives one interface for calling any model, so switching providers means changing a string rather than rewriting integration code.
• AI Gateway routes calls to hundreds of models through a single endpoint, fails over automatically if a provider goes down, and charges the provider's price with no markup; you can also use your own keys.
• Workflow SDK checkpoints every step of an agent run and resumes from the last completed step instead of restarting the whole job when something fails.
• Vercel Sandbox runs an agent's unreviewed code in its own isolated microVM, with a full Linux filesystem and Docker support, injecting credentials only when the code calls a service.
• Vercel Connect gives agents short-lived tokens scoped to a single task instead of a long-lived key, with every action traced back to the user the agent acted for. It launched in public beta with support for Slack, GitHub, Snowflake, Salesforce, Notion and Linear, and reached general availability on August 25, 2026.
• Chat SDK is installed once and delivers an agent into chat platforms such as Slack, GitHub, Linear, WhatsApp and Discord, keeping context as a conversation moves between them.

The announcement also previews eve, an agent framework built around a standard project layout, with a file for the model an agent runs on, a file describing who it is, and a folder for its tools.

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