Claude Code Releases - Offline Installer Archive

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Automated mirror of Claude Code offline installers for all supported platforms. This repository automatically detects new releases, downloads official binaries, verifies integrity, and publishes them as GitHub Releases for easy access.

✨ Features

• 🤖 Fully Automated - GitHub Actions checks for updates every 6 hours
• 🌍 Cross-Platform - Supports Windows, macOS (Intel & Apple Silicon), and Linux (x64, ARM64, musl)
• 🔒 Integrity Verified - SHA256 checksums validated for all downloads
• 📦 Version Archive - Access any version >= 1.0.37 from a single location
• 🚀 Fast Downloads - Concurrent downloads from official Google Cloud Storage
• 📝 Changelog Included - Each release includes official release notes

📥 Quick Start

Download Latest Version

→ Go to Releases Page to download installers for your platform.

Platform Support

Note: musl builds are for Alpine Linux and other musl-based distributions

Installation Notes:

• Windows: Run the downloaded .exe file with the install command
• macOS/Linux: Grant execution permission with chmod +x before running
• Replace {version} with the actual version number (e.g., 1.0.112)
• The install command sets up shell integration and the claude CLI launcher

Browse All Versions

Visit Releases to download specific versions or explore the full version history.

🔄 How It Works

This repository uses a two-stage GitHub Actions pipeline:

1. Update Detection (Every 6 Hours)

The check-update.yml workflow:

• Parses the official CHANGELOG.md for version numbers
• Compares discovered versions against version.json (our local index)
• Filters versions >= 1.0.37 (minimum supported version)
• Batches up to 5 versions per run to respect API rate limits
• Triggers the sync workflow if new versions are found

2. Release Synchronization (On-Demand)

The sync-release.yml workflow:

1. Fetches manifest.json from official Google Cloud Storage bucket
2. Downloads all platform binaries concurrently (7 parallel workers)
3. Verifies each download against SHA256 checksums from manifest
4. Creates GitHub Release with changelog notes and verified binaries
5. Updates version.json index and commits changes

Data Sources

• Official Repository: anthropics/claude-code
• Install Script: claude.ai/install.sh (provides GCS bucket URL)
• Changelog: CHANGELOG.md

🛠️ Manual Operations

You can manually trigger synchronization via GitHub Actions:

Trigger Update Check

1. Go to Actions → Check for Updates
2. Click Run workflow → Run workflow

Sync Specific Versions

1. Go to Actions → Sync Releases
2. Click Run workflow
3. Enter JSON array of versions (e.g., ["2.1.0","2.1.1"])
4. Click Run workflow

📚 Technical Details

cc-releases/
├── .github/workflows/
│   ├── check-update.yml    # Scheduled update detection
│   └── sync-release.yml    # Release synchronization
├── scripts/
│   ├── check_update.py     # Update detection entry point
│   ├── sync_release.py     # Sync entry point
│   └── lib/                # Core modules
│       ├── config.py       # Constants and settings
│       ├── fetcher.py      # GCS bucket and manifest fetching
│       ├── changelog.py    # CHANGELOG.md parsing
│       ├── downloader.py   # Concurrent downloads with verification
│       ├── version.py      # version.json management
│       └── release.py      # GitHub Release operations
├── version.json            # Synced versions index
└── README.md

version.json tracks synchronized releases:

{
  "synced": ["2.1.0", "1.0.38", "1.0.37"],
  "lastRun": "2026-01-09T10:30:00Z",
  "latestSynced": "2.1.0"
}

Fields:

• synced: Array of synchronized versions, sorted newest → oldest
• lastRun: ISO 8601 UTC timestamp of last synchronization
• latestSynced: Latest synchronized version (first element of synced array)

Prerequisites: Python 3.8+, GitHub CLI

# Install dependencies
pip install -r requirements.txt

# Test update detection
python scripts/check_update.py

# Test syncing specific versions
python scripts/sync_release.py '["2.1.0","2.1.1"]'

❓ FAQ

Earlier versions do not have manifest.json files in the official Google Cloud Storage bucket, making automated integrity verification impossible.

The update checker runs every 6 hours. Manual synchronization is also available via GitHub Actions.

Yes. All binaries are downloaded directly from Anthropic's official Google Cloud Storage bucket and verified using SHA256 checksums from official manifests.

Yes. All versions >= 1.0.37 are archived in the Releases section.

🔗 Related Links

• Claude Code Official Repository
• Claude Code Documentation
• Official Changelog
• Report Issues

📄 License

This repository is licensed under the AGPL v3 License.

Note: Claude Code itself is distributed under its own license terms. Please refer to the official repository for Claude Code licensing information.

_{Maintained by automated workflows • Not affiliated with Anthropic}