Build with an agent. Hand it to a human.
Create custom sites with your AI agent. Give clients a simple editor. Keep ownership of your code, content, and hosting.
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Add a featured dogs section above the adoption list, with three photo cards.
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How it works
From your first idea to their next update.
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Choose a starter or bring your own design. Your components, content, and fields live together in your project.
Explore the workflow -
Change the design, add a feature, or turn a brief into pages. Build with the tools you already use.
Browse agent examples -
Clients update text and images, create pages, and publish—within the structure you’ve defined.
See the client editor
Project files
blocks
hero
component.svelte
fields.yaml
content.yaml
menu
pages
index.yaml YAML
page-types
default
site.yaml
page_type: defaultsections: - block: hero content: headline: A table for your kind of day. subheadline: Coffee early. Wine later. - block: menu - block: reservationsOne folder. Everything that makes the site.
Made with Primo
Custom sites their teams can update.
Primo gives each site an editor for its own content—from products and services to team profiles and galleries.
Amm-Am!
Food brand · products, story, shop
Leesburg Counseling
Therapy practice · services, team, booking
MAAD Metal
Metal fabrication · gallery, contact
Swipe to explore
Marketplace
100+ vibecoded starters
Choose a starter, make it your own, and hand your client the editor.
111 starters · 18 categories
20 starters · Swipe to explore
Every starter includes the site’s code, content, page types, and fields. Yours to change.
How it compares
What makes Primo different.
Primo brings your components, content, and page types into one system—files for your agent and an editor for your clients.
| Capabilities | Primo | WordPress | Headless CMS | Site Builders |
|---|---|---|---|---|
| Code | Svelte components as files | PHP themes and plugins | Frontend files | Builder; export options vary |
| Client editing | On the rendered page | Block editor or admin | CMS studio or custom editor | Visual canvas |
| Content model | Fields and page types as files | Core, plugins, or code | Code or admin, depending on CMS | Managed in the builder |
| Agent workflow | Entire site as local files | Code; content via CLI or API | Code; content via CMS API | Custom code and integrations |
| Hosting | Self-hosted · MIT | Self-hosted or managed · GPL | Hosted or self-hosted | Usually platform hosting |
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Capabilities vary by CMS, plugins, and hosting setup.
Frequently asked questions.
Do I need to write code?
Your agent can set up Primo and make code changes for you. Some familiarity with web projects helps you review and refine the result. Your clients update content through the visual editor.
Which AI agents can I use?
Use an agent that can edit local files and run terminal commands. Primo’s CLI works with your existing workflow, and its MCP tools give compatible agents access to field schemas and validation. The setup guide gets you started.
What can my clients edit?
Clients can update text and images, create pages from the templates you provide, and publish with the permissions you give them. You define the editable fields and available blocks. Try the editor ↗ to see how it works.
Where can I host my sites?
Choose a hosted Primo plan or run Primo on your own infrastructure. Either option gives you a browser editor for content updates. You can also build a static version to host elsewhere. Compare hosting options.
What kinds of sites use Primo?
Sites such as Amm-Am!, Leesburg Counseling, and MAAD Metal use Primo. Browse the showcase for live examples across different businesses.
Do I own my code and content?
Yes. Keep the site in your own repository and export its Svelte, YAML, and media files whenever you need them. Primo is MIT-licensed, so you can also keep running your own installation independently.
I built Primo because there was no good way to build custom sites I could hand off to my clients with confidence. Seven years later, the model still holds — it just also happens to be the shape agents want, too.
— Matthew, founder
Build with an agent.
Hand it to a human.
Start with your agent or the CLI. Build locally, then deploy an editable CMS when you’re ready.
Create a new Primo site for my client. Set up a local workspace, help me choose a marketplace starter, and open the Primo editor. Read the Primo docs at https://docs.primo.build before starting.
Paste into your AI agent.
Free, open-source software · MIT license