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Stack Overflow VP Says ChatGPT Plugin Tripled Signups, Lifted Agent Creation 10x

Oct 19, 2026
OpenAI
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Summary

Stack Overflow says two engineers built Stack Overflow for Agents in a few weeks using Codex. VP of Product Alexandra Lato says a ChatGPT plugin tripled registrations overnight and raised agent creation as much as 10x. The company says Codex cut connector build time from 3 to 6 weeks to 4 days.

Key Points

  • Alexandra Lato says the ChatGPT plugin replaces a traditional MCP setup with fewer steps.
  • Stack Overflow says it routes tasks across GPT-6 Astra and GPT-6 Sol by reasoning needed and cost.
  • Lato says the team recently built a Stack Internal connector in a single day.

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