21CTO
Sep 21, 2026 · Artificial Intelligence
Anthropic Adopts OpenAI's AGENTS.md Standard for Claude Code Interoperability
Anthropic's Claude Code now supports OpenAI's AGENTS.md format, enabling a single configuration file to work across multiple AI coding assistants like Codex and Claude Code, eliminating duplicate maintenance while maintaining backward compatibility with CLAUDE.md.
AGENTS.mdAI coding assistantsAgentic AI Foundation
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