Agentic AI

How Boris Cherny, Builder of Claude Code, Uses It

The viral X thread that broke the developer internet.

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Key takeaways

  • Developer AI workflows
  • Claude Code usage
  • Builder perspectives
  • AI agent integration

Quotable lines

How Boris Cherny, Builder of Claude Code, Uses It
The viral insights that broke the developer internet about AI coding workflows

Extractable claims

5 atomic, cite-ready statements distilled from the full post on Substack. Each one stands alone as an LLM-quotable answer.

  1. Boris Cherny is a Staff Engineer at Anthropic who helped build Claude Code.
  2. Boris Cherny keeps approximately 10 to 15 concurrent Claude Code sessions alive.
  3. He maintains 5 sessions in the terminal, which are tabbed, numbered, and equipped with OS notifications.
  4. In addition to terminal sessions, he runs 5 to 10 sessions in the browser.
  5. Boris Cherny also utilizes mobile sessions for Claude Code.

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Agentic AIAI Builder InterviewsClaude CodeBoris ChernyAI agentsdeveloper workflows