Claude Code for macOS Monterey (12.x)

Successfully running Claude Code 2.0.76 on macOS Monterey 12.7.6 (2013 Mac Pro)

System Requirements

macOS: Monterey 12.7.6 (tested)
Node.js: v22.21.0 (via nvm)
Architecture: Intel x86_64

Installation Steps

1. Install nvm (Node Version Manager)

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash

2. Install Node.js 22.21.0

source ~/.nvm/nvm.sh
nvm install 22.21.0
nvm use 22.21.0
nvm alias default 22.21.0

3. Install Claude Code

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

4. Verify Installation

claude --version
# Should output: 2.0.76 (Claude Code)

Configuration

Claude Code stores its configuration in:

~/.claude.json - Main configuration
~/.claude/ - Debug and stats data

Usage

# Start interactive session
claude

# Print mode (non-interactive)
claude -p "your prompt here"

# Get help
claude --help

Compatibility Notes

What Works

Full Claude Code functionality
All command-line options
Interactive and print modes
Auto-updates enabled

Node.js Version Requirement

Claude Code requires Node.js >= 18.0.0. We use v22.21.0 for optimal compatibility with Monterey.

Shell Integration

Add to your ~/.zshrc or ~/.bash_profile:

# Load nvm
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

Updating Claude Code

source ~/.nvm/nvm.sh
npm update -g @anthropic-ai/claude-code

System Information

Tested on:

Device: 2013 Mac Pro (Mac Trashcan)
Hostname: Sophias-Mac-Trashcan.local
OS: macOS Monterey 12.7.6 (Build 21H1320)
Architecture: x86_64 (Intel Xeon)
Node: v22.21.0
npm: Included with Node.js
Claude Code: 2.0.76

Troubleshooting

npm command not found

Make sure nvm is loaded in your shell:

source ~/.nvm/nvm.sh

Permission errors

Use nvm instead of system Node.js to avoid permission issues with global packages.

Auto-updates

Claude Code has auto-updates enabled by default. Check ~/.claude.json to verify.

License

This repository's guide and supporting files are licensed under the Apache License 2.0. Claude Code is provided by Anthropic; see the official repository for Claude Code license information.

Links

Last Updated: December 24, 2025
Claude Code Version: 2.0.76
macOS Version: Monterey 12.7.6

Multi-Platform Support

This repository documents Claude Code compatibility across various platforms:

Confirmed Working Platforms

macOS Monterey 12.7.6 (Intel x86_64) - Documented here
IBM POWER8 (Ubuntu) - See related repositories

Architecture Support

Claude Code official builds support:

x86_64 (Intel/AMD)
ARM64 (Apple Silicon, ARM servers)

For other architectures (like POWER8), custom builds or compatibility layers may be required.

Multi-platform testing and documentation by the community

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GitHub

claude-code-monterey

README