From App Idea to Launch Without Coding, in 6 Phases

Takes a non-coder from app idea to launch with AI coding tools in six phases: a go/no-go validation, a tight MVP with a build brief, specs and build prompts for 3 screens, bug fixing, a payment flow and a pre-launch checklist.

app ideamvpno-codeai coding toolslaunch

Phase 1 — Validate the idea

Role: you are a strategist for software products.

My app idea: [app idea]

Task: give me a fast validation of this idea that covers:
- the core problem it solves
- exactly who the first user is
- the MVP I should build first
- a go or no-go recommendation, together with the single biggest risk I must deal with before I put any time or money into development

Phase 2 — Define the tightest MVP

Role: you are a product manager who works lean.

What I want to build: [app idea]
Who it is for: [audience]

Task: define the smallest possible MVP. Include:
1. The 3 features the launch cannot do without
2. 5 features to postpone until version 2
3. The one core user action the MVP has to support flawlessly
4. A short brief I can paste straight into any AI coding tool so it starts building at once and stays inside the scope

Phase 3 — Describe the 3 main screens

Role: you are a UX expert who helps people who don't code.

What I am building: [app type]

Task: describe the 3 main screens of the app. Give one section per screen, and in each one cover:
- every element on the screen
- the hierarchy of the information
- where the buttons go
- the precise prompt for an AI coding tool that builds that screen correctly, with the right layout on the first try and no back and forth

Phase 4 — Fix a bug safely

Role: you are a debugging coach for people who don't code.

My app was built with AI and it shows this error: [paste the error]

Task:
1. Explanation: tell me in plain English what went wrong.
2. Fix prompt: write the precise prompt for my AI coding tool that fixes the error without breaking anything that works today.
3. Prevention: list the two causes that are most likely, so I can keep this error out of the features I add later.

Phase 5 — Add payments

Role: you are a payments expert who helps people who don't code.

Price: [price]
What I charge for: [service]
My app: [app type]

Task:
1. Explain in plain English how integrating payments works.
2. Recommend the best payment provider for a beginner.
3. Write the step-by-step sequence of prompts to give an AI coding tool so it builds a complete, working payment flow, with no coding knowledge needed on my side.

Phase 6 — Pre-launch checklist

Role: you are an expert in launching software.

My app: [app name]. I want it live this week.

Task: build a checklist for before launch. Include:
- 5 technical tests to run
- the basics of security that someone who doesn't code can check
- how to deploy without a developer
- a brief for the landing page
- the first 10 people who should see it ahead of the public opening, picked so the early feedback is as useful as possible

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More in App Building

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Role: you are a specialist in no-code software stacks.

Goal: within 7 days, build [type of software] with no-code tools only.

Lay out the full stack:
1. The specific tool that handles each component.
2. Why this combination beats the alternatives for my use case.
3. The build sequence, step by step.
4. The realistic feature set ready at launch on day 7 that people would genuinely pay for.

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AI Chat Mobile App with Multiple Models and Streaming RepliesNewApp BuildingBuilds a complete AI chat app for mobile with a dark interface: chat screen, model and provider settings, saved conversations, word-by-word streaming replies and a builder for custom system prompts and personas.

Role: you are a senior mobile developer who specializes in AI conversational interfaces, with support for several models and an enterprise-grade chat architecture.

Task: create a complete app for chatting with AI. It needs conversation management, support for multiple models and a refined dark UI that looks and feels native on any device.

Steps:
1. Before starting, ask me for my preferred AI provider, the endpoint configuration, the app name and any specific features I want.
2. Build the main chat screen: message bubbles, an input field, an indicator of the active model and the conversation history.
3. Create a model configuration screen where users switch between providers and adjust the parameters.
4. Build conversation management so users can create, name, organize and delete chat sessions.
5. Add streaming so the AI's reply appears one word at a time instead of all at once.
6. Add a system prompt builder that lets users create custom AI personas for different uses.

Rules:
- Dark interface everywhere; no light mode option unless I explicitly ask for it after the first build.
- Message history persists between sessions without user login and without cloud storage.
- On a slow connection, streaming degrades gracefully, with no lost message content and no corrupted history.
- Every API error is shown to the user as a helpful message, never as a technical error code.

Deliver the build in stages, in this order:
chat interface → model settings → management of conversations → streaming engine → system prompt builder → the full app

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AI-Powered Browser Tool: Feature, Prompt Architecture and PricingNewApp BuildingDesigns a browser-based tool that adds AI to a workflow you choose: the AI function that feels almost magical for that use, the prompt architecture behind the core feature, an interface non-technical users can handle and pricing that justifies paying instead of using ChatGPT directly.

Role: you are a specialist in AI-powered browser tools.

Goal: I want to bring AI capabilities to [specific workflow] through a tool that runs in the browser.

Design the tool in four sections:
1. AI function: the specific thing the AI does that makes the tool feel truly magical for this use case.
2. Prompt architecture: how the prompts behind the tool's core feature are structured.
3. Interface: a user interface that makes the AI approachable for people with no technical background.
4. Pricing: a price that makes my tool feel worth paying for compared with simply using ChatGPT directly.

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Template: [your request] artifacts

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Build a Small App with Claude Code in 6 Phases, from Plan to Launch6 phasesNewApp BuildingTakes a simple app idea to a finished first version with Claude Code in six phases: a scoped build plan, a minimal version 1, error fixing with small safe changes, one feature at a time, a product-design review and a prioritized launch checklist.

Phase 1 — Scoped build plan

I want to create a simple app starting from nothing.

- App idea: [app idea]
- Who will use it: [target user]
- What it should help them achieve: [what the app should help them do]
- Core features: [3 to 5 simple features]
- Preferred tech: [React / Next.js / plain HTML, CSS and JS / your choice]

Before you write any code:
1. Ask me any questions that matter for the build.
2. Then draw up a simple build plan that covers the pages, the components, the data structure and what version 1 includes.

Version 1 must stay small. I want an app that works before we add any advanced feature.

Phase 2 — Version 1 only

Following the plan we agreed on, build version 1 and nothing more: the smallest version of the app that works.

Requirements:
- the app loads
- the main feature works
- the design is clean enough to test with

Leave out login, payments, a database, notifications, admin dashboards and every other advanced feature, unless one of them is truly essential.

When the build is done, run the project, look for errors and fix whatever is broken.

Phase 3 — Fix the errors

Run the app and examine the error.

1. Explain in plain English what is broken.
2. Fix it with the smallest change that is safe.
3. Run the project once more and confirm the app is working.

Do not touch files unrelated to the problem unless the fix requires it.

Phase 4 — Add one feature

Next feature to add: [feature]

- Before you write code, tell me which files you will modify and why.
- Once the code is written, test the app and check that the existing features still work.
- Keep the design in line with the current app and do not make the structure more complicated.

Phase 5 — Product-design review

Look at this app the way a product designer would and tell me:
- what feels confusing
- what should be taken out
- what should be made clearer
- what a person using it for the first time would miss
- what would make the app more useful

Then improve the interface without making it complicated. It must stay clean, simple and easy to understand.

Phase 6 — Launch checklist

Before launch, draw up a checklist for this app. Look for:
- broken pages
- errors in the console
- layout problems on mobile
- copy that is confusing
- missing empty states and loading states
- basic accessibility issues
- anything else that makes the app feel unfinished

Sort the issues from most to least important, then fix the top ones first.

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