Head of Claude Code at Anthropic
Boris Cherny
Boris Cherny is the creator and head of Claude Code at Anthropic. His work focuses on AI coding tools, developer workflows, and software engineering.
About Boris Cherny
Boris Cherny is the creator of Claude Code and leads the product at Anthropic. Claude Code is an AI coding tool used in software development, including work on existing codebases and modernization projects.
He presents technical sessions about Claude Code's development and its use in engineering workflows. His personal writing also covers JavaScript, TypeScript, frontend engineering, and the practical work of building software.
Mentioned in our coverage
47 articles name Boris Cherny, excluding author credits.
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- What Is Indirect Prompt Injection? How Web Content Hijacks AI Agents →
When an AI agent browses the web, reads a document, or checks an inbox, it cannot tell the difference between your instructions and text an attacker planted for it to find. That gap is indirect prompt injection — and it is already being exploited against production agents.
- What Boris Cherny's 'Little Project' Actually Was — Claude Code (August 2026) →
On August 20, 2026, Pedro Domingos said Boris Cherny's little project added $1 trillion to Anthropic's valuation. The project is Claude Code — a September 2024 side project that made terminal agents the default way developers ship software. The $1T line is a tweet, not a filing. Here's the background, the product, and what builders should actually copy.
- Claude Code Ships a Concise Output Style to Cut the Rambling →
Anthropic shipped a built-in "Concise" output style for Claude Code on August 20, 2026 — a direct response to years of complaints about Lord-of-the-Rings-length status updates. Here's what it actually changes, the /config-vs-global gotcha that's already tripping people up, and why Claude Code's own creator is calling it a temporary fix.
- How to Run Loops in Claude Code Today →
A practical cookbook for Claude Code loops: the exact /loop, /goal, and /schedule commands to type for CI, PR babysitting, and test watching — plus the budgets that keep a loop from burning tokens after the session should have stopped.
- AI and Bot Traffic Overtook Humans — What Builders Should Actually Do →