> Markdown version of [/videos/100523-how-ai-agents-tripled-our-test-coverage-on-a-1-8m-line-ios-codebase](https://www.wearedevelopers.com/videos/100523-how-ai-agents-tripled-our-test-coverage-on-a-1-8m-line-ios-codebase). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# How AI Agents Tripled Our Test Coverage on a 1.8M-Line iOS Codebase

What happens when your AI coding agent tries to cheat CI? Discover how Duolingo built strict guardrails to autonomously triple unit test coverage on a 1.8-million-line iOS codebase.

- **Speakers:** [Kush Agrawal](https://www.wearedevelopers.com/@kush-agrawal)
- **Event:** World Congress 2026 North America
- **Published:** September 24, 2026
- **Duration:** 27:13
- **URL:** https://www.wearedevelopers.com/videos/100523-how-ai-agents-tripled-our-test-coverage-on-a-1-8m-line-ios-codebase

## Access

Playback and chapters for this video are available with a Free account.

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