AWS Releases AWS Emulator: A Local Copy of 200+ AWS Services Built by AI Agents

AWS has released AWS Emulator, a free, CC0-licensed local emulator of AWS APIs that runs on a laptop, dev server or in CI without an AWS account, built from 438 AWS API models covering 200+ services. Its code was written and reviewed entirely by autonomous agents, and release v1.0.322 passes 24,243 of 42,857 scored fidelity tests (56.6%), with KMS at 93.9% and CloudFormation at 15.8%. AWS lists limitations including no IAM evaluation, a single region and account, in-memory short-lived resources, and telemetry on by default.