Using Cursor in Real Projects: A Practical Guide for Developers

Cursor is a code editor that adds AI assistance directly into your development workflow. Instead of copying code into a separate chat tool, you work inside the IDE while Cursor reads context from your project (files, folders, diffs) and helps you write, refactor, and debug code.

TL;DR

Cursor is an AI-powered code editor that works directly inside your project.
To use it effectively:

• Choose the right mode (Ask, Plan, Agent, Debug)
• Write structured prompts (stack, versions, coding style, references)
• Use multi-agent workflows for planning, building, and reviewing
• Always review and validate generated code before considering it ready

What Cursor Is and What It Does

Cursor is an IDE (based on a modern editor workflow) with AI features integrated across:

• Chat / Compose: write and iterate on code using a prompt with project context
• Codebase-aware assistance: Cursor can reference your local files and folder structure
• Refactoring and editing: change functions, components, and patterns across files
• Debugging help: understand error messages, trace logic, and suggest fixes
• Agent workflows: assign tasks to an agent that can plan and implement changes across the repo

Cursor is most effective when you treat it like a collaborator that works inside your codebase, rather than a text generator outside of it.

When Cursor Is Useful

Cursor is especially useful in these situations:

1) Starting a project with clear constraints

If you know the stack, structure, and design direction, Cursor can scaffold quickly.

2) Working in an existing codebase

Cursor can help you navigate files, understand patterns, and propose changes that match the project style — if you provide enough context and constraints.

3) Repetitive work

Examples: generating boilerplate components, forms, route scaffolding, or refactoring repeated patterns.

4) Debugging with context

If errors involve multiple files or unclear interactions, Cursor can help trace likely causes, but you still need to verify with logs, tests, and runtime behaviour.

Example: Build a Simple Website in ~5 Minutes

This example demonstrates how to scaffold a simple landing page quickly using Compose mode.
The goal is not a production-ready system in five minutes, but a structured starting point.

Step 1 - Define the Stack

Choose an explicit stack and version:

• -Next.js 15.x (App Router)
• React 19.x
• TypeScript
• Tailwind CSS
• pnpm

Being explicit about versions reduces ambiguity.

Step 2 - Create a Project Folder

Create a folder with a clear name, for example: `pakufi-cursor-landing`

Open this folder in Cursor.

Step 3 - Open Compose

Use the Compose feature to generate structured code across multiple files.

Step 4 - Use a Structured Prompt

Paste a structured prompt like the one below into Compose.

Example Prompt Template

Goal: Create a simple marketing landing page.

Stack (must match exactly):

• Next.js 15.x (App Router)
• React 19.x
• TypeScript
• Tailwind CSS
• pnpm

Project rules:

• Use `/app` directory
• Functional components only
• Keep components reusable and small
• No external UI libraries
• Include SEO metadata
• Follow the coding style example below

Design direction:

• Clean and minimal
• Sections: Hero, Features, Testimonials, CTA, Footer
• Stripe-like simplicity
• Clear typography hierarchy

Documentation reference: Follow official Next.js App Router conventions

Folder name: pakufi-cursor-example

Required output:

1. Initialise project

2. Configure Tailwind

3. Create `app/page.tsx`

4. Create components in `/components`

5. Create `app/layout.tsx` with metadata

6. Add README with run instructions

Coding style example:

type Props = {
  title: string;
  subtitle?: string;
};

export function SectionHeader({ title, subtitle }: Props) {
  return (
    <header className="mb-6">
      <h2 className="text-2xl font-semibold tracking-tight">{title}</h2>
      {subtitle ? <p className="mt-2 text-base opacity-80">{subtitle}</p> : null}
    </header>
  )
}

Now implement it.

If anything is unclear, ask before writing code.

Step 5 - Review and Accept Generated Files

Before running anything:

• Review the file structure
• Check dependency versions
• Ensure Tailwind configuration is correct
• Verify folder placement (`app/`, `components/`)
• Confirm coding style consistency

Accept or adjust the generated files directly inside Cursor.

Step 6 - Run the Project

You can run the project from:

• Your system terminal

• Or the integrated terminal inside Cursor

Run:

pnpm install
pnpm dev

Verify that the application starts correctly and renders without errors.

Understanding Cursor Modes

Choosing the correct mode improves reliability.

Ask

Use Ask when you want explanations:

• Explain this component
• Where is routing defined?
• Why am I getting this error?

Best for understanding, not implementing large changes.

Plan

Use Plan when you want structure before implementation:

• Plan authentication integration\
• Plan folder refactor
• Plan adding test coverage

Plan mode outlines steps before code is generated.

Agent

Use Agent when you want execution:

• Implement the plan
• Refactor these components
• Add feature X across the project

Agent modifies files directly and works across the codebase.

Debug

Use Debug when something fails:

• Build errors
• Runtime crashes
• Type mismatches
• Unexpected behaviour

Provide error messages and expected behaviour for best results.

Using Cursor with Multi-Agent Workflows

Multi-agent workflows improve reliability by separating responsibilities.

A simple structure:

Agent 1 — Planner

• Defines structure, files, and acceptance criteria.

Agent 2 — Builder

• Implements the plan.

Agent 3 — Reviewer

• Reviews changes for missing edge cases and consistency.

Agent 4 — Debugger

• Focuses only on errors and runtime validation.

Example flow:

1. Use Plan mode to define the structure.

2. Use Agent mode to implement.

3. Open a second agent to review diffs.

4. Run the project.

5. Use Debug if issues appear.

This separation reduces ambiguity and improves output quality.

Must Review The Code Everytime

Cursor can speed up work, but you still need to validate output before considering it ready.

A practical review checklist:

1. Does the code match the agreed stack and versions?
2. Does it follow your project structure and conventions?
3. Does it match the coding style? Consistently in all the files?
4. Are types correct (TypeScript) and props consistent?Are there any hardcoded secrets or unsafe assumptions?
5. Does it actually run locally without manual fixes?
6. Are edge cases handled (loading, error states, empty states)?
7. If this touches production: are tests updated and passing?
8. Are security concerns considered?

The safest workflow is: generate → run → review → refine → repeat.