AGENTS.md
Open Markdown guidance for coding agents
What is AGENTS.md?
AGENTS.md is an open, simple Markdown format for guiding coding agents, acting like a README for agents. It gives AI tools such as agents md, agent md, and codex agents.md-compatible workflows a predictable place to find setup commands, testing instructions, code-style rules, and project-specific context. The site explains why AGENTS.md exists, how it complements README files, and how teams can use it to help coding agents work more reliably across different tools.
Best AGENTS.md use cases by task, role, industry, and platform
These use cases show where AGENTS.md fits best, ranked by fit score before popularity or pricing.
AGENTS.md Pricing Plans
Compare AGENTS.md free options, AGENTS.md paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.
Free
Pricing updated:Jul 29, 2026
AGENTS.md AI Features
AGENTS.md Pros and Cons
Pros
- Creates a clear, dedicated place for agent-specific instructions
- Works across many coding agents and tools
- Supports nested files for subproject-specific guidance
- Keeps human-focused README files cleaner
Limitations
- No enforced schema, so teams must maintain consistency themselves
- Instructions can become outdated if the repo changes
- May require extra setup in large monorepos