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Setting Up Claude

Step-by-step guides for getting Claude running on your computer

Click an option below to see the setup guide

🌐
Claude.ai (Browser)
No install needed. Best for beginners.
FREE ▼
1
Open your browser and go to claude.ai
2
Click "Sign Up" — you can use your Google account or email
3
Verify your email if prompted
4
Click "New Chat" and start talking to Claude!
Tip: Bookmark claude.ai for quick access. The free plan gives you plenty of messages per day.
💻
Claude Desktop App
Standalone Windows app. Clean interface.
FREE ▼
1
Go to claude.ai/download in your browser
2
Click "Download for Windows" — downloads an installer (.exe)
3
Run the installer and follow the prompts. Installs like any other app.
4
Open Claude from your Start Menu
5
Sign in with your Claude account (same as claude.ai)
Tip: Drag and drop files into the chat to share code with Claude!
⚡
Claude Code (Command Line)
Most powerful. Reads, writes & runs code on your PC. One-line install.
PRO PLAN ▼

Requires a Claude Pro or Max plan. The native installer handles everything — no Node.js needed.

Step 1: Install (one-liner)

1
Open PowerShell (search "PowerShell" in Start Menu) and run:
irm https://claude.ai/install.ps1 | iex
That downloads and installs Claude Code in ~30 seconds. It also auto-updates from now on.

Step 2: Launch and sign in

2
Open a new terminal (PowerShell or Command Prompt) and type:
claude
3
A browser window opens. Sign in with your Claude account and approve. You're done.
Tip: Always navigate to your project folder before running claude — that becomes the working directory:
cd Desktop\MyRobloxProject claude

Alternative install methods

If the one-liner is blocked on your machine (corporate policy, no admin rights), use one of these:

winget install Anthropic.ClaudeCode

Or, if you already have Node.js 18+:

npm install -g @anthropic-ai/claude-code

Only the native installer (Step 1) auto-updates.

🧩
VS Code / JetBrains / Cursor Extension
Claude Code inside your IDE. Inline diffs, @-mentions, plan review.
PRO PLAN ▼

Requires Claude Code installed first (above). The extensions share auth and chat history with the CLI.

VS Code or Cursor

1
Open the Extensions panel (Ctrl + Shift + X)
2
Search "Claude Code" (publisher: Anthropic) and click Install
3
Open the Claude Code panel from the sidebar — it picks up your existing CLI login automatically

JetBrains (IntelliJ, PyCharm, WebStorm, Rider...)

1
Go to Settings → Plugins → Marketplace
2
Search "Claude Code" and install. Restart the IDE when prompted.
3
Open Claude Code panel. Use Ctrl + Alt + K to share the current selection or file as context.
What you get vs the CLI: Inline diff review before code changes apply, @-mention any file from the project tree, conversation history per project, and one-click plan approval.
🎮
Connect to Roblox Studio
Let Claude read and write scripts in Studio via MCP
OPTIONAL ▼

Requires Claude Code to be installed first. Roblox Studio has a built-in MCP server — no plugins needed.

Step 1: Enable MCP in Roblox Studio

1
Open Roblox Studio and open any place
2
Click the Assistant button (top bar) → Settings → MCP Servers
3
Toggle "Enable Studio as MCP server" to ON
4
Note the URL shown — usually http://localhost:3002/mcp

Step 2: Register with Claude Code (one command)

5
Open PowerShell and run:
claude mcp add --transport http roblox-studio http://localhost:3002/mcp
No JSON editing required. Use --scope project if you want this saved with the current project instead of globally.
6
Verify it's registered:
claude mcp list
You should see roblox-studio in the list.
7
Launch Claude Code — with Studio open, it will connect automatically:
claude
What Claude can do: Read your game's scripts, create new scripts, run Luau code in Studio, insert models, modify terrain and lighting — all from your terminal.
Important: Roblox Studio must be open with MCP enabled before you start Claude Code. If you see "No clients connected", restart Claude Code while Studio is running.
⚖
Connect to Unity
Let Claude create scripts, GameObjects, and scenes in Unity
OPTIONAL ▼

Requires Claude Code installed first. Uses the maintained CoplayDev Unity MCP package — auto-registers with Claude Code, no JSON editing.

Step 1: Install the Unity Editor Package

1
Open your Unity project
2
Go to Window → Package Manager → + → "Add package from git URL..."
3
Paste and click Add:
https://github.com/CoplayDev/unity-mcp.git?path=/MCPForUnity#main
4
After install, open Window → MCP for Unity. The setup window will guide you through installing Python and uv (its small dependencies).
5
Click Enable. It auto-detects Claude Code and registers itself — you should see a green "Connected" indicator.

Step 2: Test It

6
With Unity open, open PowerShell, cd to your Unity project, and run claude:
cd Desktop\MyUnityProject claude
7
Verify the MCP is connected:
claude mcp list
You should see unity in the list.
8
Try a real command in Claude Code:
Create a new empty GameObject called 'GameManager' and add a C# script that prints 'Hello from Claude!' in Start()
Claude will create the .cs file and add it to a GameObject in your scene.
What Claude can do with Unity MCP:
  • Create and modify C# scripts
  • Create GameObjects and add components
  • Modify scene hierarchy
  • Read and edit project settings
  • Create prefabs and ScriptableObjects
  • Run Editor scripts and custom tools
Important: Unity must be open with MCP enabled before starting Claude Code. If Claude can't see the MCP, restart Unity then restart Claude Code.
Tip: Always tell Claude your Unity version (e.g. "Unity 6" or "2022 LTS") and render pipeline (URP, HDRP, or Built-in) so it generates compatible code. Example: "I'm using Unity 6 with URP. Create a dissolve shader."

Manual fallback (if auto-register didn't work)

Register the Unity MCP from PowerShell manually (replace the port if Unity is on a different one):

claude mcp add --transport http unity http://localhost:8080

Click an option below to see the setup guide

🌐
Claude.ai (Browser)
No install needed. Best for beginners.
FREE ▼
1
Open Safari or Chrome and go to claude.ai
2
Click "Sign Up" — use your Google account or email
3
Verify your email if prompted
4
Click "New Chat" and start talking to Claude!
💻
Claude Desktop App
Native Mac app. Clean interface.
FREE ▼
1
Go to claude.ai/download in your browser
2
Click "Download for Mac" — downloads a .dmg file
3
Open the .dmg and drag Claude to your Applications folder
4
Open Claude from Launchpad or Applications
5
If macOS says "unidentified developer", go to System Settings > Privacy & Security and click "Open Anyway"
6
Sign in with your Claude account
Tip: Use Cmd + N for a new chat and Cmd + Shift + V to paste code without formatting issues.
⚡
Claude Code (Command Line)
Most powerful. Reads, writes & runs code on your Mac. One-line install.
PRO PLAN ▼

Requires a Claude Pro or Max plan. The native installer handles everything — no Node.js needed.

Step 1: Install (one-liner)

1
Open Terminal (Cmd + Space, search "Terminal") and run:
curl -fsSL https://claude.ai/install.sh | bash
Downloads and installs Claude Code in ~30 seconds. Auto-updates from now on.

Step 2: Launch and sign in

2
In Terminal, run:
claude
3
A browser window opens. Sign in with your Claude account and approve. Done.
Tip: Always cd into your project folder before running claude:
cd ~/Desktop/MyRobloxProject claude

Alternative install methods

If you prefer a package manager:

brew install --cask claude-code

Or, if you already have Node.js 18+:

npm install -g @anthropic-ai/claude-code

Only the native installer (Step 1) auto-updates.

🧩
VS Code / JetBrains / Cursor Extension
Claude Code inside your IDE. Inline diffs, @-mentions, plan review.
PRO PLAN ▼

Requires Claude Code installed first (above). The extensions share auth and chat history with the CLI.

VS Code or Cursor

1
Open the Extensions panel (Cmd + Shift + X)
2
Search "Claude Code" (publisher: Anthropic) and click Install
3
Open the Claude Code panel from the sidebar — picks up your existing CLI login automatically

JetBrains (IntelliJ, PyCharm, WebStorm, Rider...)

1
Go to Settings → Plugins → Marketplace
2
Search "Claude Code" and install. Restart the IDE when prompted.
3
Open the Claude Code panel. Use Cmd + Option + K to share the current selection or file as context.
What you get vs the CLI: Inline diff review before code changes apply, @-mention any file from the project tree, conversation history per project, and one-click plan approval.
🎮
Connect to Roblox Studio
Let Claude read and write scripts in Studio via MCP
OPTIONAL ▼

Requires Claude Code installed first. Roblox Studio has a built-in MCP server — no plugins needed.

Step 1: Enable MCP in Roblox Studio

1
Open Roblox Studio and open any place
2
Click the Assistant button (top bar) → Settings → MCP Servers
3
Toggle "Enable Studio as MCP server" to ON
4
Note the URL shown — usually http://localhost:3002/mcp

Step 2: Register with Claude Code (one command)

5
Open Terminal and run:
claude mcp add --transport http roblox-studio http://localhost:3002/mcp
No JSON editing required. Use --scope project if you want it saved with the current project instead of globally.
6
Verify it's registered:
claude mcp list
You should see roblox-studio in the list.
7
Launch Claude Code — with Studio open, it will connect automatically:
claude
What Claude can do: Read your game's scripts, create new scripts, run Luau code in Studio, insert models, modify terrain and lighting — all from your terminal.
Important: Roblox Studio must be open with MCP enabled before you start Claude Code. If you see "No clients connected", restart Claude Code while Studio is running.
⚖
Connect to Unity
Let Claude create scripts, GameObjects, and scenes in Unity
OPTIONAL ▼

Requires Claude Code installed first. Uses the maintained CoplayDev Unity MCP package — auto-registers with Claude Code, no JSON editing.

Step 1: Install the Unity Editor Package

1
Open your Unity project
2
Go to Window → Package Manager → + → "Add package from git URL..."
3
Paste and click Add:
https://github.com/CoplayDev/unity-mcp.git?path=/MCPForUnity#main
4
After install, open Window → MCP for Unity. The setup window will guide you through installing Python and uv. On Mac:
brew install python uv
5
Click Enable. It auto-detects Claude Code and registers itself — you should see a green "Connected" indicator.

Step 2: Test It

6
With Unity open, in Terminal:
cd ~/Desktop/MyUnityProject claude
7
Verify the MCP is connected:
claude mcp list
You should see unity in the list.
8
Try a real command:
Create a cube at position (0, 5, 0) with a Rigidbody so it falls when I press Play
What Claude can do with Unity MCP: Create/modify C# scripts, create GameObjects, add components, edit scene hierarchy, create prefabs and ScriptableObjects, run Editor scripts.
Important: Unity must be open with MCP enabled before starting Claude Code. If Claude can't see the MCP, restart Unity then restart Claude Code.
Tip: Tell Claude your Unity version and render pipeline. Example: "I'm using Unity 6 with URP."

Manual fallback (if auto-register didn't work)

Register the Unity MCP from Terminal manually (replace the port if Unity is on a different one):

claude mcp add --transport http unity http://localhost:8080

What Next?

Now that Claude is set up, check out our other guides:

→ How to Use Claude for Roblox Dev