Agents and harnesses · Coding agents
Anthropic Adds AGENTS.md Support To Claude Code
Claude Code 2.1.277 supports AGENTS.md when CLAUDE.md is absent, while Anthropic previews customizable harness modifications.
Read the original at simonwillison.netOpens the publisher's site in a new tabAlso covering this
Anthropic adds support for the AGENTS.md instructions spec to Claude Code; OpenAI contributed AGENTS.md to the Agentic AI Foundation last year (Thomas Claburn/The Register)openai.com, Sep 19Anthropic's Claude Code Now Supports OpenAI's AGENTS.md Standard | KuCoinkucoin.com, Sep 19