← Daily AI recipesWork✓ Verified Oct 25, 2026

Get a ready project from a specification using Claude Code

Upload a multi-page spec and have AI write a plan, generate code, and verify it step by step.

  1. 1.Install VS Code and the Claude Code extension. Sign in with your Anthropic account. If the service is unavailable in your region, enable a single-country VPN.

    The Claude Code extension only works with an active Claude subscription (Pro or Max).

    Claude Code ↗About this tool
  2. 2.Open your project folder in VS Code, create a file [spec_file.md], and paste your multi-page technical specification. Save the file.

    Use Markdown to structure your spec: headings, lists, requirements.

    VS Code ↗About this tool
  3. 3.Open Claude Code in the left panel of VS Code and paste the prompt to create a step-by-step plan based on the specification. Do not let the agent write code until the plan is approved.

    This is Plan Mode. The agent will study the spec and break it into tasks.

    Claude Code ↗About this tool
    Prompt
    Read [spec_file.md]. Write a step-by-step plan to implement this specification. Do not write any code yet. Output the plan as a numbered list of tasks. For each task, specify the file to create/modify, the exact change, and the test to write. Wait for my approval before proceeding.
    What this prompt doesThe prompt asks Claude to read your spec file and create a step-by-step plan before writing code. Replace [spec_file.md] with the name of your spec file.
  4. 4.Review the proposed plan. If it looks good, give the command to implement the first task with verification.

    A 'test-first' approach ensures the agent does not drift from the specification.

    Claude Code ↗About this tool
    Prompt
    Proceed with the plan. Implement task 1 only. Write the code and the test for it. Run the test. Stop and wait for my review before moving to task 2.
    What this prompt doesThe prompt starts the implementation of only the first task from the plan, with writing and running a test. The agent will stop and wait for your review.
  5. 5.After completing all tasks one by one, request an independent code review of the entire project against the original spec.

    This helps catch any missed requirements from the spec before the final commit.

    Claude Code ↗About this tool
    Prompt
    Review all the changes you made against the original [spec_file.md]. Did we miss any requirements from the spec? Output a checklist of spec requirements and mark which ones are complete and which are not.
    What this prompt doesThe prompt asks the agent to compare all changes against the original spec and produce a checklist marking each requirement as complete or not. Replace [spec_file.md] with your file name.
💰 What it costs to followprices as of 2026-10
  • subscriptionClaude Pro / Max subscriptionUsing Claude Code requires a Claude subscription (starting at $20/month for the Pro plan, which covers basic development).
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