AGENTS.md Agent Tooling: Why Native AGENTS.md Support Is the Standard Your Tools Need
AGENTS.md has become the de-facto standard instruction file for AI coding agents, and the demand for native support across agent tools is now the strongest portability signal in the developer-tooling market. As of 2026, over 60,000 open-source projects on GitHub ship an AGENTS.md, 23 tools read it natively, and the largest unmet feature request in the entire Claude Code tracker is precisely “Support AGENTS.md” — with more than 5,000 reactions. This guide explains what AGENTS.md is, why it won the format war, which tools support it natively, the gaps that remain, and what you should demand when adding AGENTS.md support to your own agent tool. ...