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Illustration representing Claude Code, a terminal-based agentic coding tool (not a photograph).

Boris Cherny (Claude Code)

Credited creator and head of Claude Code at Anthropic — the agentic coding tool that turned "AI helps you type" into "AI does the task and you supervise."

Claude Code (Anthropic) · Developer tools, artificial intelligence · est. 2025

Boris Cherny is the engineer most credited with creating Claude Code, Anthropic’s agentic, terminal-based coding tool. Previously a principal engineer at Meta (~5 years) and author of "Programming TypeScript" (O’Reilly). Claude Code began as an internal Anthropic prototype and grew into one of the most influential developer tools of the AI era. In a widely reported July 2025 episode, Cherny and colleague Cat Wu briefly left for Cursor-maker Anysphere before returning to Anthropic about two weeks later.

Notable achievements

  • Credited as the creator of Claude Code, built from an internal Anthropic prototype.
  • Helped define the agentic coding category, forcing rivals to follow.
  • Former principal engineer at Meta; author of "Programming TypeScript".

Find them online

Claude Code

Stories about Boris Cherny (Claude Code)

Illustration representing Claude Code, an agentic terminal-based coding tool — header for a case study (not a photograph).
tech6 min read

Claude Code: The Agent That Rewired Software Work

Claude Code turned "AI helps you type" into "AI does the task and you supervise." A critically neutral, sourced study of its creator Boris Cherny, what’s genuinely new, and the real controversies: autonomy as a security surface, code-slop and deskilling, and the 2025 talent war.

Boris Cherny (Claude Code)