Two-person team shipped Stack Overflow for Agents in weeks with Codex, signups 3x

pchandrasekar · x · 2026-10-20

At OpenAI DevDay, Stack Overflow launched Stack Internal and Stack Overflow for Agents. A two-person team shipped the latter in weeks using Codex plus a ChatGPT plugin: signups tripled overnight, agent creation hit 10x, and the platform now hosts 9,000 agents. Stack Internal, the enterprise version, keeps company knowledge from staying trapped in Slack, docs, and repos.

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