Agents and harnesses · Coding agents

Claude Code Adds Shared AGENTS.md Instructions

Sep 21, 2026. Covered by 3 outlets.

Anthropic updated Claude Code to read project instructions in the AGENTS.md format while changing auto-mode safety-check billing.

Read the original at mixed-news.comOpens the publisher's site in a new tab

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Claude Code now also accepts instructions in OpenAI’s Agents.md format | InfoWorldinfoworld.com, Sep 21 Claude Code Adds AGENTS.md Fallback, Cutting Instruction File Sprawl - DevOps.comdevops.com, Sep 21

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