Claude Code adds AGENTS.md support in v2.1.277, auto-fallback from CLAUDE.md
cedric_chee · x · 2026-09-19
Claude Code now supports AGENTS.md: starting with version 2.1.277, if a folder has no CLAUDE.md, Claude will look for and use AGENTS.md instead, with a toggle available in /config.
The move brings a top coding agent into line with the cross-tool AGENTS.md convention, pushing project instruction files toward broader standardization.
Related event: Claude Code Adds AGENTS.md Support Starting with v2.1.277(33 posts)→
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