Vibecoding Tips: The Ultimate Collection

Go Beyond the Prototype: Everything You Need To Build and Launch AI Products

TL;DR: Build production-ready apps with AI coding tools by following this practical roadmap: validate your idea early, design user flows first, choose the right stack, write clear prompts, use Git from day one, debug systematically, and keep learning fundamentals.

Who This Guide Is For

If you’re wondering how to get from your idea to a finished AI-powered product, this guide has you covered.
We map every step - from concept to live deployment - based on real projects we’ve shipped. We share a playbook that’s been tested, improved, and proven with real results.

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Hey, I’m Karo 🤗

AI product manager, builder of StackShelf.app, and chronic optimizer of workflows. If you’re new here - welcome! Joining me is

Karen Spinner

, a fellow builder and founder of StackDigest.io. We met on Substack, where her energy is undeniable. From her writing, it’s clear: she’s a builder unafraid to question everything and constantly refine her workflows.

From Karen:

I discovered Substack through Karo’s incredible Product with Attitude Community, and somehow she became one of my first five subscribers. I’m in awe of her ability to bring people together while building her own projects and running a best-selling newsletter!

Table of Contents:
1. Start With the Right Mindset
2. Validate Before You Build
3. Map User Flows First
4. Choose Your Stack
5. Craft Solid Prompts
6. Write Your PRD
7. Create Rules for Your AI
8. Set Up Version Control
9. Organize Your Docs
10. Secure Your Sensitive Data
11. Backup Your Database
12. Build in Small Slices
13. Debug Systematically
14. Test Before Shipping
15. Control Your Costs
16. Keep Learning
Final Thoughts

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1. Start With the Right Mindset

Building product-grade apps no longer requires knowing how to code. Modern AI tools are skilled enough to win coding competitions, and it’s fair to consider them a top-tier teammate.

Still, even top-tier AIs need direction - and that’s your role in the process. You wear every hat: designer, director, builder, product lead, and marketer.

The vision starts with you, the goals are yours to set, and it’s your job to shape them into something coherent.

Don’t skip the hard parts of product development. You’re still responsible for:

• Vision: What are you building and why?

• Design: How should users move through your app?

• Decisions: Which features matter? What can wait?

• Quality: Does it work? Is it secure?

Before you start coding: Have a concrete idea. Not just “a social app” but “a tool that lets Substack book clubs vote on their next read.” This will help you choose the right tools and write better instructions.

2. Validate Before You Build

The biggest risk in any product development is building something nobody wants.

How to validate fast:

• Talk to humans first: Get feedback before writing a single line of code.

  Join our community to test your ideas, show mockups, or run small experiments.

• Brainstorm with AI: This takes 1-2 hours and can save you weeks of wasted work. Ask questions like:

  • What user flows should I consider?

  • What are the edge cases?

  • What features should I start with?

Tip: Brainstorm with whichever AI you find easiest to use. I go with ChatGPT; Karen uses Claude.

3. Map User Flows First

Before asking AI to write any code, map out how users move through your app.

Use any tool: Miro, Figma, pen and paper - doesn’t matter. Just sketch:

• Login → Dashboard → Main Feature → Settings → Logout

• What happens when they click “Submit”?

• What appears on success? On error?

• Where do they go next?

Why this matters: Catching confusing paths on paper is 100x easier than fixing them in code later.

4. Choose Your Stack

There are so many AI-assisted coding tools available, that the only rational response is a kind of gentle, throbbing migraine. To make the choice easier, follow this rule of thumb:

Choose based on your idea, your experience, and which tools feel most intuitive to you.

We also want to show you that tool choice is flexible and there are multiple valid paths to a solid build. Our stacks aren’t the same, yet both lead to working, well-maintained releases:

From Karen:

Reading Karo’s list was educational, and comparing hers with mine shows that you can follow roughly the same process, and get good results, even while using an (almost) completely different toolset.

You’ll also notice that my list is a whole lot longer. That’s because Replit is an “all-in-one” creation tool that handles a lot of elements, like databases, domain management, and even hosting for production. Overall, I think Karo’s stack is by far the better bet for someone who just wants to ship their project and doesn’t want to get too deep into the technical details.

Although my toolset could work for anyone, it requires a bit more research upfront, and no small amount of patience. But it should be a good fit for anyone who’s really curious about what’s going on “under the hood” of their application.

Both approaches work. Two builders, two different stacks, both shipping real products. Pick what matches your learning style and timeline.

5. Craft Solid Prompts

AI is great at pattern recognition, but terrible at mind reading.

That’s why prompt crafting matters.

• Learn the different prompting techniques used in AI-assisted coding.

• Always provide context

  ❌ Registration form doesn't work.
  ✅ The user clicked ‘Submit’ on the registration form, but nothing happened, there was no redirect, no confirmation, no user-facing message. Here’s the error from the console: [paste error]

• Be specific about what to change:

  ❌ Fix the login page.
  ✅ In login.jsx, modify the email validation to accept plus signs (+) in email addresses. Don’t change any other files.

• Use negative instructions: Tell AI what NOT to do to prevent drift.

  ✅ Investigate only - what causes problem A to occur? Do not change any code, output a complete report.
  ✅ Avoid using library X.

• Treat your prompts like source code: name them, save them, version them. Over time you’ll develop a library of prompts that work well, and even a prompt graveyard so you can remember what didn’t work and why.

• Try prompts from other builders and make them your own: feel free to grab some well-tested prompts from here.

6. Write A PRD

The Product Requirements Document (PRD) is a clear document that describes:

• What you’re building: Core functionality + target user + problem solved

• Key features: Features you want right away + Features that can wait

• Technical requirements: What technologies or frameworks to use, what services to integrate, any performance or security needs

Pro tip: Ask AI to help you write and review your brief for gaps. Here’s how:
The PRD Prompt That Audits Itself For Hallucinations and Failure Modes

7. Create Rules for Your AI

You’ll see Rules for AI under different names: replit.md, agents.md, constitution.md - but the purpose is the same - to give your coding agent a playbook.

• What to do:

  • Tech stack decisions

  • Coding standards

  • Folder structure

  • Naming conventions

  • Design style

• What NOT to do:

  ⛔️ Don’t make any changes without understanding what files are affected
  ⛔️ Don’t modify the authentication system
  ⛔️ Don’t change the database schema without migration files

Pro Tip: Treat this file as a living document and update it as you learn what works for your project.

Why this matters: AI can “forget” decisions from earlier in your conversation. This document prevents you from constantly re-explaining preferences and stops AI from undoing your work.

Side note: I’ll publish a deep dive soon; if you need help now, leave a comment and I’ll share the draft.

8. Setup Version Control in GitHub

Think of GitHub as a giant online folder for your project where every change you make is saved, tracked, and easily shared. It’s like “Google Docs for code’’.

If you’re just starting out, my super simple free GitHub Guide for Beginners will get you set up fast.

Essential GitHub Habits

• Start on Day 1

  • Create a repository the moment you begin coding

  • Every change is tracked; you always have a safety net

• Create branches for features

  • Main branch = your working product

  • Feature branches = experiments and new work

  • Example names: feature/login, bugfix/password

• Merge branches only after testing

  • Always test and review code before merging changes into your main project. This catches bugs early and helps keep your project stable and maintainable.

• Commit often

  • Save after completing each small piece (a button, a fix)

  • Don’t wait until the end of the day.

👉 Need help? More details in this guide.

9. Organize Your Docs

Clear organization means less time searching, more time building.

• Know exactly where everything is:

  • the code files

  • the specs

  • your top prompts

• Use consistent naming:

  • for your folders

  • for your files

• Document learnings from your interactions with the agent:

10. Secure Your Sensitive Data

Never put API keys, passwords, or tokens directly in your code.

Two safe approaches:

• Option 1: Environment variables

  • If you’re working with a Python framework, you can store your sensitive information in an .env file saved to your project’s root directory.

  • Add it to .gitignore so it’s never uploaded

• Option 2: Built-in secrets management

  • If you’re using Replit, you can set up sensitive variables using its Secrets tool. Replit automatically encrypts this information, and secures it so it won’t be made visible in your app or its code.

Why this matters: Keys in code can be scraped, stolen, or accidentally shared. One leaked API key can cost you thousands in fraudulent usage.

11. Backup Your Database

We’ve all heard stories about agents going rogue and deleting databases. Your customer data, your product images - everything can disappear in a single click. But this can be easily prevented:

12. Build in Small Slices

Don’t: Ask AI to build an entire feature from database to UI in one go

Do: Break features into small, end-to-end slices

Example: Building a Login Feature:

❌ Large task (risky):
“Build the complete authentication system with login, registration, password reset, OAuth, and security”

✅ Small slices (safer):
“Create a basic login form with email and password”
“Add backend validation for the login form”
“Connect login form to database to verify credentials”
“Add error messages for wrong password”
“Test and deploy”

Why this works:

• AI makes fewer mistakes on smaller tasks

• You catch problems earlier

• Bonus: you also build your confidence with frequent wins

13. Debug Systematically

When you get stuck with a bug, don’t panic! Follow a process:

Step 1: Document the Bug

• Take notes that will help make bugs reproducible: What happened? When?

• You can use the Given-When-Then framework, or a different one, as long as you and your agent will be able to understand what happened.

  GIVEN: User is on the login page.
  WHEN: User clicks on login button.
  THEN: Button is not working.

Step 2: Fix One Bug at a Time

Don’t try to fix multiple issues simultaneously. Isolate, fix, test, move on.

Step 3: Watch for Silent Bugs

AI often adds “failover logic” that hides errors:

From Karen:

Sometimes, code you’ll get back from AI will include failover logic to ensure that, if one thing breaks, the whole system won’t crash. Failover code might run a function that’s not quite as good as the main one (e.g., keyword search instead of semantic search) or generate a vague error message.

While implementing failover logic is a great idea for production environments, so the user experience isn’t disrupted more than necessary, it can also make it harder to detect bugs. If you have failover code, you may want to comment it out during development, so you see a big, glaring error message instead of a feature that “sort of” works.

Step 4: Ask AI to Diagnose

Provide:

• Error logs

• What you expected vs. what happened

• Relevant code snippets

Step 5: The Three Strikes Rule

If AI can’t fix the bug after three attempts:

• Roll back to your last working version (thank you, Git!)

• Ask a different AI model to review the code

• Example: If you’re using Claude, switch to ChatGPT for a fresh perspective

Step 6: Expect Looping

Sometimes AI breaks one thing while fixing another: fix → break → fix → break.

Solution: Roll back and try more specific prompt. I shared one in this post: Is Your Replit Looping? This Will Help

Step 7: Ask for Help

Join builder communities!

I’ve had tremendous support on StackShelf; in emergencies and from people generously testing features. If it wasn’t for the moral support from

Kacper Wojaczek

, I’d spend my holidays crying into a pillow.

From Karen: If you post about your development projects on social media (and, yes, that includes Substack), invite your readers to help test them. Some of them will DM you! Your comments can also point you towards people who might want to be part of your project. If they leave a comment like, “Wow, I’d love a tool like that!” consider following up with a DM with a link to your tool and how they can provide feedback if they’re interested. This is how I found 91 (and counting!) people to beta test StackDigest...and I’m still implementing their feedback.

14. Test Before Shipping

AI sounds confident even when wrong. Always test.

Human Testing

• Internal testing: You and your team test every feature

• Beta testing: Recruit 5-10 real users to try it

• Focus on core flows: Can users complete the main tasks?

Agentic Testing

Some tools (like Replit Agent 3) can systematically test your code for:

• Silent failures

• Edge cases you didn’t consider

• Regressions (new code breaking old features)

Your role is to build in review cycles, monitor results, and never hesitate to cross-check with different models if outcomes seem off.

15. Control Your Costs

Use separate API keys per project:

• One broken request won’t drain your entire budget

• You can track costs per project

Edit minor things manually:

Don’t waste credits on:

• “Make this headline shorter”

• “Change the button color to blue”

Choose the right model for the task:

• Complex architecture decisions: Use the smartest model

• Simple bug fixes or styling: Use faster, cheaper models

Know your pricing model

• Some tools (like Claude Code) are cheaper with a subscription than API usage

16. Keep Learning

AI can help you build without knowing how to code, but understanding the basics makes you dramatically more effective.

From Karen: I like the idea of being able to understand how my app is working behind the scenes and fix it (or, at least, give good direction to AI), when things go wrong. And the more you know about the coding languages used in your project, the better you will understand what you are building.

Why learn coding fundamentals:

• You’ll write better prompts

• You’ll spot bugs faster

• You’ll understand AI suggestions better

• You’ll know when to override them

What to learn:

• For web apps: HTML, CSS, JavaScript basics

• General concepts: How databases work, API basics, authentication

How to learn:

• Ask AI to explain code it wrote for you

• Read documentation for tools you’re using

• Build custom learning paths for yourself with ChatGPT or Perplexity

• Follow tutorials for your specific stack

Remember:
AI is a force multiplier. The more you know, the more powerful it becomes.

Final Thoughts

The most successful builders combine AI’s speed with engineering basics and human judgment:

• AI suggests, you decide

• AI implements, you verify

• AI optimizes, you maintain the vision

Start small, ship often, and keep learning. Every project makes you better at directing AI and better at understanding what you’re building.

Elena Calvillo

said it best:

Ready to Start?

Pick one small project idea, work through this guide step by step, and ship something real. Then do it again, a little faster and better each time.

Additional Resources

• Best Vibecoding Guides & Prompts

• 100 Most Common UI Elements For Vibecoders

• Vibecoding x Cybersecurity: Survival Guide by the Expert Who Fixes Your Code After You

• PRD Template and Self-Auditing Prompt

• GitHub Setup for Complete Beginners

• Community for Feedback and Help

• Behind the Scenes: Why PMs Are Vibecoding Real Products

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