Oxygen
Oxygen is a WordPress site builder with two ways in: an MCP-connected AI agent that builds pages, post types and templates from a prompt, and a visual editor with one-to-one CSS control for doing it by hand. The agent's work lands as native, editable elements rather than locked markup, so you can keep prompting or open the canvas and finish the job yourself.
What is Oxygen?
Oxygen is a visual website builder for WordPress built around clean, editable output rather than locked-in shortcode blobs. Version 6.2, branded the MCP Edition, ships with Agent Connector — an MCP server plus Abilities API support — so an agent such as Claude Code, Codex, Cursor, OpenCode or any MCP-compatible client can connect to a WordPress install and build the site directly. The agent creates pages, custom post types and fields, designs archives and single templates, installs and configures plugins, writes SEO metadata, and handles maintenance like backups or fixing a broken contact form. Everything it produces lands as native Oxygen elements, so nothing is one-way: you can open the same site in the visual editor and change it by hand.
The editor is the core of the product and has been in production for over a decade. It exposes HTML and CSS directly, with a one-to-one properties panel, class-first styling, global variables, components, layouts, animations and interactions, plus responsive controls for every breakpoint. There is no proprietary block library standing between you and the markup — you work with real elements, real classes and real CSS, and the generated output stays lean enough to hold up on performance audits.
On top of the builder sits a theme builder: headers, footers, archives, single templates, WooCommerce shop and product pages, and dynamic content from WordPress fields or ACF. Existing sites can adopt Oxygen gradually, taking over templates page by page while the rest of the content keeps working. Gutenberg integration lets clients edit content in the native WordPress editor without opening the builder, which matters for agencies handing sites over.
Setup is deliberately short. Install the plugin on a local, staging or live WordPress site, run the setup wizard or open Oxygen → Settings → Agents & MCP, connect your agent, and start describing what you want. Oxygen does not resell AI credits, so model costs come from whichever agent vendor you already pay. A one-command scaffold, npm create oxygen-wp@latest, is offered for AI-first local WordPress environments.
Pricing is a single lifetime licence at $199.50, paid once, covering unlimited sites including client work, with lifetime updates, support from the team that builds the product, and a 60-day money-back guarantee. A free trial with the full editor and AI tooling is available before you buy.
Oxygen Core Features
MCP agent connection
Agent Connector ships an MCP server and Abilities API support, so Claude Code, Codex, Cursor, OpenCode or any MCP client can build on your WordPress install without extra plugins.
One-to-one CSS editor
A properties panel that maps directly to real CSS, with class-first styling, global variables, components and controls for every breakpoint.
Full theme builder
Design headers, footers, archives, single templates and WooCommerce shop, product and cart pages, all with dynamic WordPress or ACF data.
Clean editable output
Everything an agent builds arrives as native Oxygen elements and real classes, not shortcodes or opaque wrappers, so you can take over at any point.
Dynamic content and ACF
Bind fields, custom post types, taxonomies and repeater data into templates, then publish listings, products or portfolios from the WordPress dashboard.
Gutenberg handoff
Content editors work in the native WordPress editor while templates stay under Oxygen's control, so client edits cannot break the design.
Gradual migration
Oxygen runs alongside existing WordPress content and can take over templates page by page, preserving URLs instead of forcing a full rebuild.
No AI credit markup
Bring your own agent on whatever plan that vendor requires; Oxygen does not resell tokens or gate features behind an AI subscription.
Who is Oxygen for?
WordPress freelancers who are tired of fighting block libraries and want direct CSS control without hand-coding every template. They get a properties panel that maps one-to-one to real CSS, so an existing stylesheet mindset transfers instead of being replaced by a widget vocabulary. Agencies building client sites on repeat, because a single licence covers unlimited projects including staging and local installs, and Gutenberg integration keeps clients editing content without opening the builder. No per-site activation also means no licence juggling when a project ends. Front-end developers and designers who think in classes, global variables and breakpoints rather than drag-and-drop sections. If you have ever wanted to inspect the markup and find exactly what you expected, this is the audience the editor was built for. WooCommerce store owners who need shop, product and cart templates that look nothing like a default theme, and who want product data, variations and custom fields bound into those templates. Teams already working in Claude Code, Codex, Cursor or OpenCode who want their agent operating on a real WordPress site instead of generating throwaway HTML in a chat window. Because the connection is plain MCP, the same agent you already pay for becomes the build tool. Site owners migrating off Elementor or another builder, since Oxygen can take over templates page by page, preserve existing URLs and leave the rest of the content running while you work through the rebuild. Content-heavy publishers who need dynamic post types, filtered archives and ACF fields wired into designed templates, then handed to editors who only ever see the native WordPress editor.
Oxygen Use Cases
Build a complete WordPress site by prompting an MCP-connected agent, then refine the result in the visual editor.
Design custom WooCommerce shop, product and cart templates that match a brand instead of a stock theme.
Migrate an Elementor or Divi site page by page while keeping every URL and all existing content.
Create custom post types, ACF fields and filtered archives for listings, properties or directories.
Hand a finished site to a client with Gutenberg content editing and templates locked down.
Ship client projects on one lifetime licence without counting sites, seats or renewals.
Standardise a design system with global variables, classes and reusable components across a portfolio.
Let an agent handle maintenance chores like backups, SEO metadata, user roles and content-wide edits.
Oxygen Pros and Cons
Pros
- Clean, semantic HTML and CSS output rather than wrapper-heavy markup, which keeps pages fast.
- One lifetime payment of $199.50 covers unlimited sites, including client work, with no renewals.
- The AI path is optional and non-exclusive: any MCP agent works, and the same site stays fully editable by hand.
- Full theme builder plus ACF and Gutenberg integration makes it practical for agency handoffs.
- 60-day money-back guarantee and support from the team that builds the product, with no priority upsell.
Cons
- Requires comfort with HTML and CSS concepts; beginners expecting drag-and-drop blocks face a real learning curve.
- Building with AI means bringing a separate agent subscription, so the true cost is higher than the licence alone.
- No native block library or template marketplace depth comparable to mainstream page builders, so design work often starts from scratch.
FAQ About Oxygen
Oxygen Pricing
One lifetime licence at $199.50 paid once, covering unlimited sites, all AI tooling, lifetime updates and support, with a 60-day money-back guarantee.
Check official pricingLifetime License
Every Oxygen feature including all AI tooling, unlimited sites for personal, client, staging and local work, lifetime updates and support, no renewals or seats, 60-day money-back guarantee.
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