Why Empty Sandboxes Break Developer Experience | Docker

What this post added

This post introduces and details Docker Sandbox Kits, a feature designed to improve the developer experience with sandboxed AI agents. It explains the problem of empty sandboxes requiring extensive setup, and how kits solve this by allowing developers to define required tools, network access, and credential management via a `spec.yaml` file. The post elaborates on kit types (sandbox vs. mixin), provides examples of kit configurations for installing tools, managing network access (allowed/denied domains, service domains), and handling credentials securely through proxying. It also discusses distribution mechanisms (local directories, Git URLs, OCI artifacts) and the benefits of kits for repeatability, reviewability, and shareability.