Y Combinator Startup Podcast We're All Addicted To Claude Code
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Feb 6, 2026 
Calvin French-Owen, co-founder of Segment and former OpenAI Codex web product engineer, helped build developer-focused coding agents. He explains why CLI-based agents are taking off. They compare Codex, Claude Code and Cursor. Conversation covers context engineering, distribution via CLI tools, how agents shift engineering roles, and a future of personal agent clouds.
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Coding Feels Like Talking To A Coworker
- Coding agents shift coding to conversational coworker-like interactions rather than IDE-first workflows.
- Calvin French-Owen observes CLIs (Cloud Code/Codex) enable more natural, distributed coding experiences than IDEs.
CLI Interfaces Unlock Different Agent UX
- CLIs gained traction because they avoid IDE-style framing and let agents interact more freely with your environment.
- Calvin finds CLIs let him "fly through the code" with status updates and side agents exploring the repo.
Agent Debugged Deep Production Bug
- Jared described letting a CLI agent access his dev and even production databases to debug deep concurrency bugs.
- The agent traced nested delayed jobs, found the bug, and wrote a test so it never reoccurred.