Sniffly - Claude Code Analytics Dashboard

Analyze Claude Code logs to help you use Claude Code better.

Website | Quickstart | Features | Sharable dashboard

📊 Features

Understanding your usage patterns

Error breakdown

See where Claude Code makes mistakes so that you avoid these mistakes.

Message history analysis

Walk through all your instructions and share them with your coworkers if needed.

🚀 Quickstart

• Requirement: Python 3.10+

With UV (recommended)

Make sure you have uv installed! https://github.com/astral-sh/uv

# One-time execution (no installation needed)
uvx sniffly@latest init

# Install the package
uv tool install sniffly@latest
sniffly init

After running sniffly init, access your dashboard on your browser at http://localhost:8081 (or whichever host/port you choose).

If you run Sniffly on a remote server, use port forwarding to open the browser on your local computer.

With pip

pip install sniffly
sniffly init

From source

git clone https://github.com/chiphuyen/sniffly.git
cd sniffly
pip install -e .
sniffly init

🔧 Configuration

Common Settings

# Change port (default: 8081)
sniffly config set port 8090

# Disable auto-opening browser
sniffly config set auto_browser false

# Show current configuration
sniffly config show

All Configuration Options

Key	Default	Description
port	8081	Server port
host	127.0.0.1	Server host
auto_browser	true	Auto-open browser on start
cache_max_projects	5	Max projects in memory cache
cache_max_mb_per_project	500	Max MB per project
messages_initial_load	500	Initial messages to load
max_date_range_days	30	Max days for date range selection

See full CLI Reference for all options and commands.

💡 Sharing Your Dashboard

You can create a link to share your project's stats and instructions with your coworkers.

1. Click the "📤 Share" button in your dashboard
2. Choose privacy options:
   • Private: Only people with the link can view
   • Public: Listed in the public gallery
   • Include Commands: Share your actual command text
3. Copy and share the generated link

🚨 Troubleshooting

Common Issues

sniffly help

Port already in use?

# Use a different port
sniffly init --port 8090

# Or change default
sniffly config set port 8090

Browser doesn't open?

# Check setting
sniffly config show

# Enable auto-browser
sniffly config set auto_browser true

# Or manually visit http://localhost:8081

Configuration issues?

# View all settings and their sources
sniffly config show

# Reset a setting to default
sniffly config unset port

# Remove all custom config
rm ~/.sniffly/config.json

For more issues, see GitHub Issues.

🔐 Privacy

Sniffly runs entirely on your local machine:

• ✅ All data processing happens locally
• ✅ No telemetry
• ✅ Your conversations never leave your computer
• ✅ Shared dashboards are opt-in only

📄 License

MIT License - see LICENSE file.

🔗 Links

• Homepage: sniffly.dev
• Documentation: Full CLI Reference
• Issues: GitHub Issues