With the free edition of Page Builder Sandwich, a connected AI agent can use 45 abilities (see Page Builder Sandwich: connect an AI agent (MCP) for how to connect). The same abilities are available over the WordPress REST API.
What the free edition lets an agent do
Self-host a font; Add a section to a page; Import a website kit; Build a landing page; Connect to support; Convert one legacy page; Create a page; Delete an uploaded icon; Move a page to the trash; Disconnect from support; Duplicate a page; Export designs and settings; Describe a builder block; Read the responsive breakpoints; Read the site design; Read the site diagnostics; Read the licence; Read the legacy migration; Read a page; Read the plugin settings; Read the support connection; Import designs and settings; List the builder blocks; List forms; List website kits; List self-hosted fonts; List pages; List sections; List what can be exported; List uploaded icons; Move a section; Open a support ticket; Consent to support diagnostics; Remove a block from a page; Remove a self-hosted font; Convert legacy content; Start the free Pro trial; Undo one conversion; Undo the legacy migration; Change one block's settings; Change the responsive breakpoints; Change the site design; Update a page; Change the plugin settings; Upload an icon.
Try asking your AI app, for example: "list my pages", or "what can you do on my site with Page Builder Sandwich?" — it reads the list above from your site and picks the ability itself.
Every ability with its REST route and parameters: https://zinndigital.com/wordpress-plugins/page-builder-sandwich/mcp-api