WordPress announced wp-playground, a new AI agent skill designed for use with the Playground CLI to allow AI agents to run WordPress for testing and review their work while writing code. The skill helps agents quickly test code while working.
Playground CLI
Playground is a WordPress sandbox that allows users to run a full WordPress site without setting everything up on a traditional server. It is used for testing plugins, building and customizing themes, and experimenting safely without affecting a live site.
The new AI Agent skill is intended for use with Playground CLI, which runs locally and requires knowledge of terminal commands, Node.js, and npm to manage local WordPress environments.
The wp-playground skill automatically starts WordPress and determines where generated code should be present within the installation. The skill then mounts the code in the correct directory, allowing the agent to go directly from the generated code to a running WordPress site without manual setup.
Once WordPress is running, the agent can test the behavior and verify the results using common tools. During testing, agents interacted with WordPress through tools like Curl and Playwright, reviewed the results, applied fixes, and then tested again in the same environment. This process creates a repeatable loop in which the agent can confirm whether a change is working before making further changes.
The skill also includes helper scripts that manage startup and shutdown. These scripts reduce the time it takes WordPress to get ready for testing from about a minute to just a few seconds. The Playground CLI can also automatically log in to WP-Admin, eliminating another manual step in testing.
The AI Agent skill’s creator, Brandon Payton, is quoted explaining how it works:
“AI agents work better when they have a clear feedback loop. That’s why I developed the wp-playground skill. It gives agents an easy way to test WordPress code and makes building and experimenting with WordPress much easier.”
The release of the WordPress AI Agent Skill also introduces a new GitHub repository dedicated to hosting the WordPress Agent Skill. Ideas planned include persistent Playground sites tied to a project directory, running commands on existing Playground instances, and creating blueprints.
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