Fireside Chat with Claude Code Team: Dogfooding, Claude Tag, and Fable Insights
Simon Willison hosted a fireside chat with members of Anthropic's Claude Code team, where they discussed internal use of Claude Tag, which now lands 65% of the team's product engineering PRs. The team increasingly relies on automated code review for the outer layers of their product, and the Claude Code system prompt was recently reduced by 80% as adding examples is no longer considered best practice for advanced models like Fable 5.
Why it matters: This offers insight into Anthropic's internal practices for using and refining their AI tools, highlighting evolving strategies for prompt engineering and code review.
Full story at: Simon Willison's Weblog ↗