Agents.md Review 2026
A simple, open format for guiding coding agents
What is Agents.md?
AGENTS.md is an open, Markdown-based convention for giving AI coding agents project-specific context such as build steps, tests, and conventions. It is stewarded by the Agentic AI Foundation and supported across a broad ecosystem of coding agents.
Best for
Mixed
Use cases
- Documenting build and test commands for agents
- Providing code style and conventions to AI agents
- Guiding coding agents in large monorepos
Key features
Standardized agent instruction file
Nested AGENTS.md for monorepos
Compatible across many AI coding agents
Markdown-based format
Pricing
Model
free
Price range
Open standard/specification, free to adopt
Free tier
Yes
Integrations
Agents.md integrates with 6 tools including:
OpenAI CodexGitHub CopilotCursorAiderGemini CLIJules
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