Dev blog by CyperXhttps://cyperx.dev/https://cyperx.dev/blog/the-code-was-never-the-moat/https://cyperx.dev/blog/the-code-was-never-the-moat/Anthropic shipped their entire Claude Code source code in an npm package. Again. Within days, LLMs had rewritten it in Python and Rust. The era of proprietary CLI tools as competitive advantage is over.Thu, 02 Apr 2026 00:00:00 GMTAIARCHITECTUREOPENSOURCEFUTUREhttps://cyperx.dev/blog/inside-claude-code-512k-lines/https://cyperx.dev/blog/inside-claude-code-512k-lines/Anthropic's entire Claude Code codebase leaked via a source map in their npm package. I read it. Here's what matters if you build agent systems.Wed, 01 Apr 2026 00:00:00 GMTAIARCHITECTUREAGENTSENGINEERING