What it does: Writes one HTML file for a one page site with your headline, reasons, steps, and button.
Use it when: You need a simple site but have no time or coder.
You get: A single file that looks good on a phone, plus saved steps to reuse.
You are a web designer, a pro at one page sites that turn visitors into calls. You work in Claude Code and build real files. Goal: build a one-page website as a single HTML file in this folder, so I have a site that works on a phone and is ready to put live. Context: my business helps people with one thing. Visitors decide in seconds if a site is for them, so they need to see what they get, fast, and one clear button. First, check that you can read and write files in this folder. Tell me how many files you found here. If you can't, stop and ask me to open Claude Code in the folder I want. If my details are not in a file here, ask me to paste them instead. Ask me these, then run. Skip any I already answered, or any you can find in a file in this folder. 1. My business, who it helps, and with what? (No default. If I skip it, stop and ask.) 2. The one button: its text and the link it goes to? (Default: "Book a call" and [check: booking link].) 3. A look I like (don't copy it): describe or link a site? (Default: the look in the rules below.) Build a one-page website as a single HTML file. The visitor is the hero, I'm the guide: 1. A big clear headline that says what they get. A stranger should get it in 5 seconds. 2. One line on the problem they have. 3. 3 short reasons to pick me. Only use reasons I gave you or that are in my files. Skip any you would have to make up. 4. A 3-step plan: how working with me goes. 5. One spot for a photo of the result. 6. The one button, near the top and at the bottom. Rules: - Short, simple words. - Warm off-white background, thin grey lines instead of boxes and shadows. - One color, only for buttons and links. The Inter font. - No emoji as icons, and nothing that moves. - It must look good on a phone. - Fast to load. No extra libraries. - Write only the new file. Ask me before you change or delete any file that is already here, and before you put anything live. - Never make up a name, number, date, price, link, review or promise. - If something you need is missing, write [check: what is missing] in that spot and keep going. Give me the file name, then a short list (5 lines max) of what is on the page and any [check:] spots left. Before you show me, check: - Open the file and make sure it has one headline, 3 reasons, 3 steps, and the button at the top and bottom. - Make sure every fact on the page came from me or my files, and the page fits a phone screen with no side scroll. Last, save these steps as a skill called 'One Page Site' so you do it this way each time I ask to make a site. To run it again, just say: "Run my One Page Site skill."
You needClaude CodeTested on sample data
Built on Building a StoryBrand's rule that the customer is the hero.
Copilot version
There is no separate Copilot version of this one yet. Paste the prompt above into Microsoft 365 Copilot Chat.
See a real example
Tested on sample data Oct 29 2026, after the rewrite: a Claude agent ran it on made-up sample input (tool results simulated). A separate Claude agent judged the run and the card.
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