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How to start from a template and adapt it to your needs with Builder

Copy a finished app or site into your own account, then describe the changes you want.

Who it is forA founder or hobbyist who wants a head start on a common app or landing page instead of a blank project.

The problemStarting from an empty project makes it slow to reach a usable first version, especially for a first-time Builder.

The outcomeYour own copy of a finished app or website, updated to match your content through plain-language requests.

What you need first

  • A web browser for the live demo at https://builder.puter.com/
  • Git, Node.js, and npm for running the repo locally
  • A project idea described in plain language
  • For MCP connections: the URL of a remote MCP server you want the AI to use

Steps

  1. Open https://builder.puter.com/ in your browser.
  2. Pick a template from the available templates.
  3. Let the template copy into your account.
  4. Describe the changes you want in chat and check the live preview.

Prompt for your agent

Using the HeyPuter/builder live demo at https://builder.puter.com/, copy a template that fits <target project> into a new project, then request changes that match its purpose. Expected output: an edited project copy in your account. Verify that the original template is unchanged and the copy shows your requested changes in the live preview.

Caveat. The README does not say which templates are available or how many, so check the template list in the live demo.

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Disclaimer

Deduped lists open-source repositories that belong to other people. We do not own, maintain, audit, or vouch for any of them, and a repo appearing here is not an endorsement or a safety check. The use cases, steps, and prompts are written by AI and may be incomplete, outdated, or just wrong. Where a use case is marked "Seen in the wild", we link to public posts where someone described something similar, but we have not verified those posts and the use case itself is still our AI's own write-up. Use all of this at your own risk. Only run code, commands, or agents on systems and accounts you are authorized to use, and read the code and every command before you run it, especially anything that touches credentials, files, or the network. Nothing here is professional, security, legal, or financial advice. All trademarks and project names belong to their respective owners, and their use here does not imply affiliation. Content is provided as is, without warranties of any kind. Found a mistake, a safety problem, or something you want removed? Email [email protected] and we will look at it promptly. Full disclaimer page