@trq212: We're adding support for AGENTS.md to Claude Code. Starting today in version 2.1.277, if there is no CLAUDE.md in a fol…

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Summary

Claude Code now supports AGENTS.md as a fallback configuration file in version 2.1.277, with an option to toggle the behavior in settings.

We're adding support for AGENTS.md to Claude Code. Starting today in version 2.1.277, if there is no CLAUDE.md in a folder, Claude will check for and use AGENTS.md. You can toggle this behavior in /config.
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Cached at: 09/18/26, 06:42 PM

We’re adding support for AGENTS.md to Claude Code.

Starting today in version 2.1.277, if there is no CLAUDE.md in a folder, Claude will check for and use AGENTS.md.

You can toggle this behavior in /config.

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Quoting Thariq Shihipar

Simon Willison's Blog

Claude Code version 2.1.277 adds support for AGENTS.md as an alternative to CLAUDE.md, allowing customizable project instructions through mods.

@omarsar0: This is the way.

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Claude Code has been updated to version 2.1.277, adding support for AGENTS.md as a fallback configuration file when CLAUDE.md is not present in a folder.