Claude Code Extension - Installation & Activation Guide

✅ Status: Extension is Installed

Your Claude Code extension is installed at:

~/.cursor/extensions/anthropic.claude-code-2.0.74-darwin-arm64

🚀 How to Open Claude Code Interface

Method 1: Command Palette (Recommended)

1. Press Cmd+Shift+P (or Ctrl+Shift+P on Windows/Linux)
2. Type: Claude Code: Open in New Tab
3. Press Enter

Or try these commands:

• Claude Code: Open - Opens last conversation
• Claude Code: Open in Side Bar - Opens in sidebar
• Claude Code: Open in New Window - Opens in separate window

Method 2: Keyboard Shortcut

• Press Cmd+Shift+Escape to open Claude Code in a new tab

Method 3: Sidebar Icon

1. Look for the Claude Code icon in the Activity Bar (left sidebar)
2. Click it to open Claude Code in the sidebar

Method 4: Editor Title Bar

1. Open any file in the editor
2. Look for the Claude Code icon in the editor title bar
3. Click it to open Claude Code

🔧 If You Still Don't See It

Step 1: Reload Cursor Window

1. Press Cmd+Shift+P
2. Type: Developer: Reload Window
3. Press Enter

Step 2: Check Extension Status

1. Press Cmd+Shift+X to open Extensions view
2. Search for "Claude Code"
3. Make sure it shows as Enabled (not Disabled)

Step 3: Check Extension Settings

1. Press Cmd+, to open Settings
2. Search for "claude code"
3. Verify these settings:
   • claudeCode.useTerminal: Should be false (unless you want terminal mode)
   • claudeCode.preferredLocation: Choose sidebar or panel

Step 4: Verify Extension Activation

The extension activates on:

• onStartupFinished - After Cursor finishes loading
• onWebviewPanel:claudeVSCodePanel - When opening the panel

If it's not activating, try:

1. Close all Cursor windows
2. Reopen Cursor
3. Wait a few seconds for startup to complete
4. Try opening via Command Palette

🎯 Quick Test

Run this in Command Palette (Cmd+Shift+P):

Claude Code: Open in New Tab

If a new tab opens with Claude Code interface → It's working! ✅

📋 Available Commands

All Claude Code commands (accessible via Cmd+Shift+P):

⌨️ Keyboard Shortcuts

🐛 Troubleshooting

Issue: Extension installed but no UI appears

Solution 1: Reload window

Cmd+Shift+P → Developer: Reload Window

Solution 2: Check if extension is enabled

Cmd+Shift+X → Search "Claude Code" → Verify it's Enabled

Solution 3: Check extension logs

Cmd+Shift+P → Claude Code: Show Logs

Issue: "Claude CLI not found" error

The extension includes its own Claude binary. If you see this error:

1. Check that the binary exists:

   ls -la ~/.cursor/extensions/anthropic.claude-code-2.0.74-darwin-arm64/resources/native-binary/claude
   

2. If missing, reinstall the extension

Issue: Extension doesn't activate

1. Check Cursor version: Requires VS Code 1.94.0+ (Cursor should be compatible)
2. Check workspace trust: Extension doesn't work in untrusted workspaces
3. Restart Cursor completely: Close all windows and reopen

📚 Additional Resources

• Claude Code Documentation
• Claude Code Website
• Extension README: ~/.cursor/extensions/anthropic.claude-code-2.0.74-darwin-arm64/README.md

✅ Verification Checklist

• Extension shows as "Enabled" in Extensions view
• Command Palette shows Claude Code commands
• Cmd+Shift+P → "Claude Code: Open" works
• Claude Code icon appears in Activity Bar (optional)
• Can open Claude Code interface successfully

If you've tried all these steps and still can't see the interface, the extension might need to be reinstalled or there might be a Cursor-specific compatibility issue.