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AGENTS.md examples from real projects

How real projects brief Codex, Cursor and every other agent that reads AGENTS.md.

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AWSAGENTS.md

aws-cdk

aws/aws-cdk/AGENTS.md

Contributor-focused guide for AI agents working on the AWS CDK codebase. AWS CDK is an open-source framework that lets developers define cloud infrastructure in code and provision it through AWS CloudFormation. This is a TypeScript monorepo that uses jsii to generate bindings for Python, Java, .NET, and Go. Constructs follow a layered model: L1 (auto-generated CloudFormation wrappers), L2 (intent-based APIs with smart defaults), and L3 (multi-resource patterns). See CONTRIBUTING.md for the full contributor guide. You are a CDK contributor. You…

13k19d agoDiscuss
AWSAGENTS.md

amazon-sagemaker-examples

aws/amazon-sagemaker-examples/AGENTS.md

Guidance for AI coding agents (Cursor, GitHub Copilot, Claude Code, Amazon Q Developer, Kiro, Codex, Gemini CLI, etc.) working in this repository. Follows the AGENTS.md convention (https://agents.md). This repository contains example notebooks for the Amazon SageMaker Python SDK v3. pip install sagemaker installs v3. SDK v3 is a modular redesign and is not backward compatible with v2. It is split into: Generate SageMaker Python SDK v3 code by default. Produce v2 code only when the user explicitly asks for "v2"…

11k26d agoDiscuss
AWSAGENTS.md

jsii

aws/jsii/AGENTS.md

AI agent contributor guide for the aws/jsii repository.

2.9k2mo agoDiscuss
AWSAGENTS.md

sagemaker-python-sdk

aws/sagemaker-python-sdk/AGENTS.md

Guidance for AI coding agents (Cursor, GitHub Copilot, Claude Code, Amazon Q Developer, Kiro, Codex, Gemini CLI, etc.) working in this repository — the source of the Amazon SageMaker Python SDK. Follows the AGENTS.md convention (https://agents.md). This file has two audiences: 1. Contributors' agents editing SDK source, tests, and docs in this repo. 2. Any agent that reads this repo as a reference for how to use the SDK — so the usage guidance (v3 by default) is stated here…

2.3k37d agoDiscuss

About AGENTS.md

What is AGENTS.md?

An open format for instructions to coding agents, read by Codex, Cursor and others. Think of it as a README written for agents.

Where does it go?

At the repository root, with more specific files in subdirectories. Agents read the one closest to the file they're editing.

What should it contain?

Setup and test commands, code style, and the rules a new contributor would need to know.

Does Claude Code read it?

Claude Code reads CLAUDE.md. A one-line CLAUDE.md that points at AGENTS.md covers both.