CCogumellumincogumellum.hashnode.dev·23h ago · 11 min readClaude Code v2.1.277 Reads AGENTS.md When CLAUDE.md Is MissingTL;DR: Starting with Claude Code v2.1.277 (18 Sep 2026), if a project has no CLAUDE.md, Claude Code reads AGENTS.md instead, and the behavior is configurable in /config (changelog, memory docs). If yo00