Claude Code 2.1.277 Adds AGENTS.md Support, Auto-Detected When CLAUDE.md Is Missing
AlexandrePesant · x · 2026-09-19
Anthropic's Claude Code now supports AGENTS.md: starting in version 2.1.277, when no CLAUDE.md exists in a folder, Claude will check for and use AGENTS.md, with the behavior toggleable via /config. Teams can maintain a single open-standard AGENTS.md shared across multiple coding agent tools alongside Claude-specific config.
Related event: Claude Code Adds AGENTS.md Support Starting with v2.1.277(33 posts)→
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