Master AI-Powered Development: Configure Python, JavaScript, Swift, and Java in Cursor on macOS

Cursor basic configuration

Download and install the latest Cursor from the official website.

Log in with a Google account for quick authentication.

Import settings if migrating from VS Code to retain extensions and themes.

Set global Rules ; see the Cursor Rules Best Practices article for detailed options.

Python development environment

1. Install Python

https://www.python.org/downloads/

After installation, add the Python binary to your PATH by editing ~/.zshrc:

export PATH="/Library/Frameworks/Python.framework/Versions/3.13/bin:$PATH"

Verify the installation:

$ python3 --version
Python 3.13.1
$ pip3 --version
pip 24.3.1 from /Library/Frameworks/Python.framework/Versions/3.13/lib/python3.13/site-packages/pip (python 3.13)

Optional aliases for convenience:

alias python='python3'
alias pip='pip3'

2. Virtual environment management

uv – fast package installation and environment handling.

poetry – modern dependency management and packaging.

Install them:

# Install uv (via Poetry installer script)
curl -sSf https://install.python-poetry.org | python3 -
# Install poetry
pip install poetry

3. Cursor extensions for Python

Python (Microsoft) – language support.

Python Debugger – breakpoints, step‑through, variable inspection.

Pylance – static type checking and intelligent suggestions.

Black Formatter – automatic code formatting.

Pylint – code linting.

Mypy – type checking.

Configure settings.json for Python:

{
  "[python]": {
    "editor.defaultFormatter": "ms-python.black-formatter",
    "editor.formatOnSave": true
  },
  "pylint.enabled": true
}

Select the interpreter via the command palette (Cmd + Shift + P → “Python: Select Interpreter”).

JavaScript/TypeScript development environment

1. Install Node.js via nvm

# Install nvm
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.2/install.sh | bash
# Load nvm without restarting
source "$HOME/.nvm/nvm.sh"
# Install Node 22
nvm install 22
node -v   # v22.14.0
npm -v    # 10.9.2

2. Choose a package manager

npm – bundled with Node, most widely used.

yarn – faster installs, better caching.

pnpm – disk‑space efficient, high‑performance.

npm install -g yarn
npm install -g pnpm

3. TypeScript setup

Install TypeScript globally and initialise a project:

# Global install
npm install -g typescript
# Initialise
tsc --init
# Compile a file
tsc your-file.ts

4. Cursor extensions for JavaScript/TypeScript

ESLint – code quality checking.

Prettier – code formatting.

JavaScript and TypeScript Nightly – latest TypeScript features.

Configure settings.json:

{
  "[javascript]": {
    "editor.tabSize": 2,
    "editor.defaultFormatter": "esbenp.prettier-vscode",
    "editor.formatOnSave": true
  },
  "[typescript]": {
    "editor.tabSize": 2,
    "editor.defaultFormatter": "esbenp.prettier-vscode",
    "editor.formatOnSave": true
  }
}

Swift iOS/macOS development environment

1. Install Xcode

Download the latest Xcode from the Mac App Store.

Install command‑line tools:

xcode-select --install

2. Auxiliary tools

# Build without opening Xcode
brew install xcode-build-server
# Beautify xcodebuild output
brew install xcbeautify
# Advanced Swift formatting
brew install swiftformat

3. Cursor extensions for Swift

SweetPad – compile, run, and debug Swift code.

Swift – syntax highlighting and basic language features.

After installing SweetPad, create a .sweetpad file at the project root to specify build and run parameters.

Java development environment

1. Install Java via SDKMAN

# Install SDKMAN
curl -s "https://get.sdkman.io" | bash
# List and install JDK 21
sdk list java
sdk install java 21.0.1-oracle
# Install build tools
sdk install gradle 8.7
sdk install maven 3.8.1
# Set default JDK
sdk default java 21.0.1-oracle

2. Cursor extensions for Java

Extension Pack for Java – comprehensive Java support.

Gradle for Java – Gradle build integration.

Maven for Java – Maven build integration.

Spring Boot Extension Pack – Spring Boot development.

Configure settings.json for Java:

{
  "java.jdt.ls.java.home": "/path/to/jdk",
  "java.configuration.runtimes": [
    {
      "name": "JavaSE-21",
      "path": "/path/to/jdk-21",
      "default": true
    }
  ],
  "[java]": {
    "editor.formatOnSave": true
  }
}

References: Cursor official site: https://cursor.com Python downloads: https://www.python.org/downloads/ VS Code Python migration guide: https://github.com/microsoft/vscode-python/wiki/Migration-to-Python-Tools-Extensions SweetPad documentation: https://sweetpad.hyzyla.dev/docs/intro/