CLAUDE.md adopted as new control plane for project rules

CLAUDE.md established as the new source of truth for repo behavior in Claude Code

Claude.md reached 152K GitHub stars

Operator open-sourced CLAUDE.md template with 72 lessons from 30-day, 11-agent experiment

Progressive disclosure skills reduce token waste by 99.3%

Developer guide published detailing CLAUDE.md for mobile CSS fixes with Claude Code

Research study demonstrates AGENTS.md files improve AI coding assistant efficiency by 28% with fewer tokens

Research shows AGENTS.md documentation files reduce AI coding agent runtime by 28.64% and token usage by 16.58%

New research revealed that LLM-generated documentation for AI coding agents harms performance (-2%) and increases inference costs by over 20%.

Research revealed that overloading AGENTS.md files with excessive context degrades AI coding agent performance