deepsec

Vercel open sourced deepsec, a security harness powered by coding agents that runs on your own infrastructure, uses Opus 4.7 at max effort and GPT 5.5 at xhigh reasoning, and scales up to 1,000+ concurrent sandboxes on Vercel's codebases.

Vercel | In Edition 33, Saturday 9 May 2026

SOURCE Vercel, Introducing deepsec: find and fix vulnerabilities in your code base

Added to The Deploy Log Tuesday 15 Sep 2026, updated Thursday 17 Sep 2026. Read Edition 33, the edition that carried it.

The call on this one

What shipped is free. The call on it, what to do about it and the condition on that, opens with a signup: free, no card, every edition in full.

It becomes $50 a year, and signing up now keeps your first year free.