One engineer + Claude Code beat the entire Bun team's 9-month Node.js test suite progress in just one month

A Bun team member reports that a single engineer using Claude Code improved Node.js test suite pass rates more in the past month than the whole Bun team did in 9 months from 1.2 to 1.3.

• Claude Code
• Productivity
• Node.js
• AI programming
• Bun