One block,
every possibility.
Build with your favorite AI agent or by hand. Every block renders one clean HTML element, with real CSS, your data and your scripts, and stays editable in Gutenberg.
AI chat
Describe what you want in the editor’s chat and real blocks appear on the page. Each reply is one undo step.
- Three agents: Builder, Designer and Writer
- Eight skills, from image generation to accessibility audits
- Runs on your own Anthropic, Google or OpenAI key
MCP
Drive Unblock from your own agent, through the official WordPress MCP Adapter.
- Claude Code, Cursor, ChatGPT and 15 other clients
- 12 abilities, live in your open editor or on any post
- OAuth sign-in, with full or read-only access
Design system
Visual controls and real CSS, in sync: both edit the same stylesheet.
- Real CSS selectors and design tokens
- At-rules and custom breakpoints
- Google Fonts and a CSS parser
Code access
HTML, CSS and JS, right in the editor, with autocomplete and a live preview.
- Any HTML element
- Syntax highlighting and autocomplete
- Scripts that live on the block
Dynamic data
Insert posts, custom fields and products in a click, or chain anything with Twig. No PHP.
- Data Picker and Twig syntax
- Deep chaining, with filters
- ACF, Meta Box, JetEngine, Pods and WooCommerce
Queries & loops
Loop over posts, terms, users or any JSON list, set up in the visual Query Builder.
- Posts, terms, users, JSON and repeaters
- Dynamic arguments from your data
- Nested loops and pagination
Conditional display
Show or hide any block from posts, users, custom fields or any data.
- Posts, terms and users
- Custom fields and any data
- Rendered server-side, never just hidden
Pattern library
Start from the official catalog or your own sections, and share them with every client site.
- The official catalog and your own library
- Remote libraries, one revocable token per site
- Sell access to your kit
Clean HTML & performance
Each block renders one clean HTML element, and each page loads only the CSS it needs.
- Semantic HTML and ARIA control
- No wrapper divs
- Per-page CSS, no blocking JS

Claude Code
ChatGPT
Gemini CLI
Cursor
Codex
Copilot
Windsurf
Grok
Cline
Antigravity
Roo Code
Kilo Code
OpenCode
- Any MCP client






And everything else
you’d expect.
Theme support
Works with block themes (FSE) and classic themes alike.
Responsive design
@media, @container and @supports, with custom breakpoints.
Multilingual
Translate your pages with Polylang or WPML, like any other block content.
SEO
Yoast SEO, Rank Math and SEOPress read your pages as visitors see them.
WooCommerce
Prices, stock, gallery, reviews and cart actions in any block.
Forms
Validation, file uploads, email delivery and anti-spam, built in.
Security
HTML, CSS and SVG sanitization with automatic output escaping.
Developer hooks
35+ hooks for data providers, functions, filters and rules.
Not all AI website builders
are created equal.
How Unblock compares on code quality, performance, AI and editing freedom, with AI site builders, page builders and the core editor.
| Unblock | AI site builders | Page builders | Core Gutenberg | |
|---|---|---|---|---|
| Works inside the native block editor | — | — | ||
| Clean, semantic HTML you own | Varies | Partial | ||
| Every page editable by hand, without AI | Limited | |||
| Real CSS selectors, tokens and at-rules | Varies | Partial | Limited | |
| Data, queries and conditions without PHP | — | Limited | Limited | |
| AI on your own provider key | Varies | Varies | — | |
| Any agent over MCP | Varies | Varies | Limited | |
| Only the CSS and JS each page uses | Varies | Varies | Partial |
Build with AI.
Own what you build.
Edit content, refine layouts and hand over your project in Gutenberg. AI when you want it, Gutenberg when you need it.