Compiled on save
The compiler works when you save. The frontend receives ready HTML and CSS.
Nucleo builds WordPress pages from JSON documents and compiles them on save. It is not a hosted builder: you work on your own WordPress.
You are looking for an Elementor alternative with light pages and a workflow an AI agent can drive. The cost of a page should not come back on every visit.
Nucleo does not compute the page on each request. The compiler produces HTML and CSS on save, and the frontend contacts no external services.
The compiler works when you save. The frontend receives ready HTML and CSS.
An AI agent connects with OAuth 2.1 and works with the user's permissions.
Checks SEO and accessibility. It flags, for example, two h1 titles on the same page.
The wp nucleo commands export, import and sync the site.
The free version requires no license or account.
Upload the nucleo folder to wp-content/plugins, or install the zip from Plugins, Add New.
Write pages with the Nucleo blocks, or let an AI agent build them through the MCP server.
Every save returns the quality engine report, with SEO and accessibility.
Elementor data from public elementor.com pages, October 2026.
| Nucleo | Elementor | |
|---|---|---|
| Free version | Yes | Yes |
| MCP server for AI agents | Included in the free plugin | Since Elementor 4.3, Pro needed for Pro elements |
| Page output | Built on save: ready HTML and CSS | Rendered on each request from widget data |
| SEO and accessibility checks that block publishing | Yes | No, needs third-party plugins |
| External requests from the frontend | None | Depends on the widgets |
| Entry Pro price, 1 site | €49 per year | $59 per year (Essential) |
The free plugin is on the WordPress repository. Nucleo Pro adds WooCommerce, multilingual sites and the CSS purger.