We removed 80% of our agent’s tools

Published: (December 22, 2025 at 08:00 AM EST)
1 min read

Source: Vercel Blog

Overview

It got better.
We spent months building a sophisticated internal text‑to‑SQL agent, d0, with specialized tools, heavy prompt engineering, and careful context management. It worked… kind of. But it was fragile, slow, and required constant maintenance.

So we tried something different. We deleted most …

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