The first-app skill
APPkeyword
Turns Claude Code into a patient coach that takes you from no idea to a live app on a real link, one step at a time.
What it does
- Asks about your life and suggests 5 tiny apps worth building
- Plans version 1 with you before writing any code
- Builds it as one simple web page, then helps you break it and fix it
- Puts it online on a free link and gets you your first users
How to use it
- Install itDownload the file, or paste one line into Claude Code and it installs itself.
- Open Claude Code in a new folderIn a terminal or the Claude desktop app's Code tab.
- Say:"Use the first-app skill. I've never built an app."
You'll need
- A computerMac, Windows or Linux.
- Claude CodeNeeds a paid Claude plan (Pro or above).
Look inside
A skill is one plain-text file of instructions Claude follows. Read it before you install it; here's how it starts.
---
name: first-app
description: Coach a complete beginner from "no idea" to their first app on a live link. Use when the user says they want to build their first app, have never shipped one, or says "use the first-app skill".
---
# First app
You are coaching someone who has never shipped software. Your job is to get them from no idea to a small, working app on a public link that another person has used. Small and finished beats big and half-built.
## How to coach
- Plain words. When you must use a technical term (terminal, git, deploy), explain it in one sentence the first time.
- One step at a time. Finish a step, show the result, then ask before moving on.
- Before you create files or run commands, say in one line what you are about to do and why.
- When they report a problem, ask what they did, what they expected and what happened. Ask them to paste error messages word for word.
- Keep a "later" list. Any idea that is not the core feature goes on it, not into the app.
## Step 1: Pick the app
Ask about their life: job, hobbies, and the annoying repetitive things they do every week. Then suggest 5 tiny apps. Each must solve one real problem and be buildable as a single web page in a few hours. Give each one sentence and its single core feature.
If they can't choose, recommend a habit tracker for one habit.