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💻 Coding

A Beginner's Guide to Cursor

A code editor built on VS Code with AI that reads your whole project. How to start properly, and which features actually earn your time.

Beginner10 min read

What you'll be able to do by the end

  • Move your VS Code settings and extensions across in under five minutes
  • Tell the four modes apart and know when each one is right
  • Write a rules file that keeps the AI within your project's conventions
  • Review suggestions in a way that keeps broken code out of your repo
  • Understand the tool's real limits before relying on it for serious work

Before you start

  • Working knowledge of at least one programming language
  • Prior experience with any code editor — VS Code ideally
  • A machine that runs VS Code comfortably (Cursor uses more memory)

Cursor isn’t an extension you add to your editor — it’s a full editor built on VS Code with AI woven through it. The practical difference is that it reads your project as a whole: it knows the file structure, the imports, and the patterns you use, so its suggestions fit your codebase rather than a generic one.

That makes it powerful and dangerous at once. Powerful because it collapses hours of work; dangerous because a suggestion that looks right and slips through easily is far riskier than one that breaks immediately.

Who this guide is for

If you have a foundation in at least one language and can read code someone else wrote, this is for you. If you’re in your first week of learning to program, hold off — the tool’s real value shows up once you can judge its output.

One note before you start

Everything below assumes the code you’re working on is yours or that you’re permitted to share it. If it’s company code, review the privacy policy and turn on Privacy Mode before your first line.

Steps

  1. Step 1: Install it and bring your settings over

    Download Cursor from its official site. Because it's built on VS Code, the first launch offers to import your extensions, keybindings, and theme in one click. Accept — you get your familiar environment intact, with nothing to reconfigure.

    Note: If the prompt doesn't appear, it's in the command palette: press Ctrl+Shift+P and type Import.

  2. Step 2: Understand the four modes

    Tab completes the line or block you're typing and applies with one keystroke. Inline (Ctrl+K) edits the selected code from an instruction you type. Chat (Ctrl+L) is for questions and discussion without direct edits. Agent carries out a whole task across multiple files on its own. Start with the first two and hold off on Agent until reviewing diffs is second nature.

    Note: The shortcuts are the difference between a fast tool and an annoying one. Learn Ctrl+K and Ctrl+L on day one.

  3. Step 3: Give it your project's context instead of explaining every time

    Use @ inside the chat box to reference a file, folder, or symbol: @src/api/users.ts makes it read that file before answering. This is the single most valuable habit to build — a question without context gets a generic answer, while a question with two related files gets an answer that fits your codebase.

    Note: You can reference terminal errors the same way, so it reads the full error message rather than your paraphrase of it.

  4. Step 4: Write a project rules file

    Create an AGENTS.md or .cursor/rules file at your project root and write down the rules you want followed: language, naming conventions, banned libraries, error-handling approach, whether to write comments. Cursor reads it automatically on every request, so you stop repeating the same instructions.

    Note: Keep the rules short and specific. Twenty clear lines beat two hundred vague ones.

  5. Step 5: Review every edit before accepting it

    Cursor shows its changes as a red/green diff. Don't accept on autopilot. Read the change line by line, especially in files you didn't open yourself. A suggestion can work and break something else at the same time — that's the most common way beginners get burned.

    Note: Work on a separate Git branch while experimenting with Agent. Undoing becomes one command instead of a manual cleanup.

  6. Step 6: Use it to explain, not just to write

    The most valuable use for a beginner isn't generating code — it's understanding it. Select any complex function, press Ctrl+L and ask: 'Explain step by step what this does and which cases could make it fail.' That saves hours for anyone working in a codebase they didn't write.

    Note: Ask 'what are the alternatives here and what are the downsides of each?' — you'll learn more than by accepting the first suggestion.

Common mistakes — and how to avoid them

MistakeAccepting Tab suggestions reflexively while typing fast.

Do this insteadRead the suggestion before you accept. Autopilot acceptance is the fastest way to introduce silent bugs.

MistakeRunning Agent across a whole project with no Git.

Do this insteadCommit before any large task. Without it, unwinding a ten-file change is miserable.

MistakeAsking a general question without referencing any file.

Do this insteadAlways use @. Context is the entire difference between a useful answer and a Wikipedia one.

MistakeRelying on it for sensitive code: authentication, payments, access control.

Do this insteadTreat it as a draft in those areas only, and review every line yourself or with a more experienced developer.

MistakeLeaving the rules file empty, then complaining the code doesn't match your project's style.

Do this insteadTwenty lines in a rules file save you a hundred corrections later.

❓ Frequently asked questions

Is Cursor free?

There's a free plan with a limited number of AI requests per month, enough for trying it out and small projects. Serious daily use needs a paid subscription. Check the official pricing page for current numbers.

Does it work with any language?

Yes, anything VS Code supports. Quality is highest in common languages like JavaScript, TypeScript, and Python, and lower in niche languages or very new frameworks.

Is my code sent to their servers?

By default yes, since processing happens in the cloud. There's a Privacy Mode that prevents code storage. If you work on proprietary code, enable it and review the tool's policy with your team before using it.

I'm a complete beginner — will relying on it hurt me?

It will if you use it as a substitute for understanding. Use it as an explainer and reviewer first: write the code yourself, then ask it to review and explain your mistakes. Used that way it accelerates learning rather than stunting it.

How is it different from GitHub Copilot?

Copilot is an extension focused on completing code inside your existing editor. Cursor is a full editor that understands the project as a whole and can edit several files in one task. For changes that span files, Cursor fits better.