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How to bring an existing project up to the toolkit setup with Vibe Coding Toolkit

Diagnose a current codebase and add applicable agent configuration without breaking its stack.

Remote script. The prompt is fetched from a remote URL and drives changes across the project, so review the proposed changes before approving them.

Who it is forA developer maintaining a project that already has code, dependencies, and some agent instructions, who wants consistent setup and checks.

The problemExisting projects often have partial or outdated agent configuration, and manual adoption risks duplicating instructions or breaking working contracts.

The outcomeA diagnosis, a short list of improvements with completion criteria, applied configuration, and a before and after verification record with pending work noted.

What you need first

  • An AI agent with terminal access, such as Claude Code or Codex
  • A project directory, or an existing application root to configure
  • Network access to raw.githubusercontent.com to fetch the prompt files

Steps

  1. Open Claude Code or Codex at the application root.
  2. Paste the prompt from the README that points to docs/prompts/12-existing-project-setup.md, asking it to execute the entire Prompt section starting with brainstorming.
  3. Review the proposed improvements, risks, and completion criteria before approving changes.
  4. Check the verification report for tested integrations and recorded limits.
  5. Rerun the same prompt later as routine maintenance.

Prompt for your agent

Read the repo soumatheusgomes/vibe-coding-toolkit at docs/prompts/12-existing-project-setup.md and execute the Prompt section in the project at <project path>, starting with brainstorming. Report the before and after state, the changes applied, and any pending work. Verify that existing stack, database, and contracts were preserved.

Caveat. The README says incompatible migrations need their own decision, so this prompt will not change the database or stack on its own.

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