Anthropic Enables Automated Eval Building with Claude Code

Anthropic's Lance Martin published an official guide adding two new commands to the claude-api skill, letting Claude Code automatically build evals within a codebase and iteratively improve them via hillclimbing.

2026-09-29 ~ 2026-09-29 · 2 related posts

• Anthropic adds official eval-building and hillclimbing workflow to Claude Code skill — ClaudeDevs · 2026-09-29
• Anthropic adds build-eval and hillclimb commands to automate eval design with Claude — RLanceMartin · 2026-09-29