Vercel's internal security agent audits every line of code; rauchg says don't rely on prompts

alvelda · x · 2026-11-05

Vercel CEO Guillermo Rauch unveiled that the company's internal security agent (nicknamed @hacker) automatically audits every single line of code, and the capability is now available as a product that works even for repos not hosted on Vercel. His core argument: you can't count on engineers having a skill installed or prompting "please make it secure" — put the check in the pipeline, not in the prompt. The system was built entirely by Vercel's security team.

The post also points to Agent Field Kit, a paid collection of 20 security templates for teams running AI agents ($29 each, $79 bundles), covering secrets rotation, supply-chain defense, and inference key abuse caps, with free incident steps for the Oct 21 Railway env-var exposure and LiteLLM security incident.

Related event: Vercel Launches Security Review Beta, Agent Fixes Vulnerabilities Automatically(4 posts)→

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