Vercel
Coding agents

Chat SDK agents can now stream generative UI with json-render

Our short summary of Vercel’s engineering write-up. The full story, with all the detail, is on their blog.

Read the full write-up on vercel.com (opens in a new tab)

Problem

Developers had to create separate UI code for each chat platform, slowing down agent responses.

Solution

Created a JSON‑based UI spec that agents output, which json‑render turns into native cards for Slack, Teams, etc., streaming updates as the spec builds.

Want the architecture, code and numbers? They’re in the original post.

Read the full write-up on vercel.com (opens in a new tab)

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