I Found The PERFECT Stack For Vibe Coding a SaaS

Simon HøibergAbout 5 min readSep 22, 2025Watch original
THE SUMMARYAI-generated

Key Concepts:

  • AI Product Development Stack: A three-layered approach to software development using AI tools.
  • Vibe Coding: Using natural language to generate initial designs, prototypes, and code using AI.
  • Agent-Based Coding: Utilizing AI agents to work asynchronously on tasks, generating pull requests.
  • AI-Assisted Coding: Pair programming with AI within a code editor, requiring some programming knowledge.
  • GitHub Copilot: An AI tool integrated into GitHub for agent-based and AI-assisted coding.
  • Lovable: A tool for vibe coding, generating designs, prototypes, and starter code from natural language descriptions.
  • Cursor: A code editor with advanced AI-assisted coding capabilities.
  • Pull Request (PR): Code suggestions that haven't yet been merged into the official codebase.

1. Vibe Coding (Layer 1): Initial Design and Prototyping

  • Main Idea: Vibe coding replaces traditional planning, design, and prototyping with AI-driven generation from natural language descriptions.
  • Tool: Lovable is used to create designs, prototypes, and starter code by describing the desired "vibe" of the application.
  • Process:
    1. Describe the desired application or feature using natural language.
    2. Lovable generates a front-end design, prototype, and structured project code.
    3. The project is synced with GitHub for access from other tools.
  • Benefits: Significantly reduces the time required for initial design and prototyping, making it accessible to low-tech users.
  • Example: The UI/UX designer uses Lovable to create a front-end based on a general description of the desired look and feel.
  • Technical Details: Lovable produces well-structured projects using popular frameworks and UI libraries.

2. Agent-Based Coding (Layer 2): Asynchronous Task Completion

  • Main Idea: AI agents work asynchronously in the background to complete coding tasks and generate pull requests.
  • Tool: GitHub Copilot is used to assign tasks to AI agents.
  • Process:
    1. Create an "issue" (task) in GitHub, describing the desired functionality.
    2. Assign the issue to GitHub Copilot.
    3. The AI agent downloads the codebase, works on the task, and creates a pull request (PR).
    4. Review the PR, request changes, or approve the solution.
  • Benefits: Allows developers to work on multiple tasks simultaneously without being actively involved in the coding process.
  • Example: Splitting a large feature into smaller tasks and assigning them to AI agents for asynchronous completion.
  • Technical Details: The quality of the results depends on the quality of the task description. Including technical terminology improves the AI's performance.
  • Alternative Tools: Claw code is mentioned, but the speaker prefers GitHub Copilot due to its integration and user-friendliness.
  • Cost: GitHub Copilot is used on a $39/month plan without reaching the usage limits.

3. AI-Assisted Coding (Layer 3): Pair Programming with AI

  • Main Idea: Developers actively participate in the coding process, using AI tools for assistance and suggestions.
  • Tools: Cursor, VS Code with extensions like Klein or GitHub Copilot.
  • Process:
    1. Work within a code editor with AI capabilities.
    2. The AI provides suggestions, autocompletion, and code generation.
    3. The developer reviews and modifies the AI's suggestions.
  • Benefits: Enhances developer productivity and code quality.
  • Requirements: Requires some basic understanding of programming fundamentals.
  • Technical Details: Cursor is noted for its smooth developer experience, but GitHub Copilot in VS Code is also a strong option.

4. Arguments and Perspectives

  • AI Product Development Works: The speaker asserts that AI product development is effective when used correctly and can significantly increase productivity.
  • Addressing Criticisms of Vibe Coding: The speaker argues that low-quality results from vibe coding are often due to poor prompts and a lack of basic coding knowledge.
  • Importance of Learning Basic Coding: Even non-tech founders should learn basic coding fundamentals to improve the output of vibe coding.

5. Examples and Case Studies

  • FeedHive Vibe Marketing Experience: The team built and launched an end-to-end vibe marketing experience for FeedHive using the AI stack.
  • New SAS Product: The team finished a completely new SAS product using the AI stack, which will be launched soon.
  • SAS Portfolio: The speaker runs a SAS portfolio of four tools, including social media automation, link tracking, AI customer support, and graphics design.

6. Data and Statistics

  • $2 Million ARR Target: The team is on track to do $2 million ARR in 2025 using the AI development stack.
  • 90% Code Written by AI: AI now writes 90% of the speaker's code.
  • Small Team Size: The team consists of just four people, including the speaker.

7. Notable Quotes

  • "AI now writes 90% of my code."
  • "AI product development does work. And if you use it right, it can make you more productive than you've ever been before."
  • "By simply using natural language and by describing the vibe we want, we're now planning, drafting, designing, and prototyping all using one single tool."

8. Logical Connections

  • The video progresses logically from initial design (vibe coding) to asynchronous task completion (agent-based coding) to active development (AI-assisted coding).
  • The speaker addresses criticisms of vibe coding and provides solutions for improving its output.
  • The video connects the AI stack to real-world examples of products built using the stack.

9. Synthesis/Conclusion

The speaker presents a three-layered AI product development stack consisting of vibe coding, agent-based coding, and AI-assisted coding. This stack, utilizing tools like Lovable, GitHub Copilot, and Cursor, has enabled the speaker's small team to significantly increase their productivity and build multiple SAS products. The key takeaways are the importance of using AI tools effectively, providing clear and detailed task descriptions, and acquiring basic coding knowledge to maximize the benefits of AI-driven development.

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