FAQ
December 8, 2025 · View on GitHub
Installation and Startup
Q: Windows shows "Windows protected your PC"?
Click "More info" → "Run anyway". The app is not digitally signed, but it works fine.
Q: macOS shows "Cannot be opened because the developer cannot be verified"?
Right-click the app → Select "Open" → Click "Open". Or allow it in "System Preferences" → "Security & Privacy".
Q: Port is in use?
Click the port number at the top of the interface and change it to another port (e.g., 3001).
Endpoint Configuration
Q: How to choose a transformer?
- Claude official or compatible services →
claude - OpenAI or compatible services →
openai - Google Gemini →
gemini
Q: Why is the model field required for OpenAI/Gemini?
Claude Code requests contain Claude model names. The proxy needs to know which target model to convert to.
Q: Endpoint test succeeds but usage fails?
Check: API key permissions, model name, API quota. View logs for detailed errors.
Usage Issues
Q: Is token statistics accurate?
It's an estimate based on text length, may differ from actual billing.
Q: How to backup configuration?
- Use WebDAV cloud sync
- Manually copy
~/.ccNexus/ccnexus.db
Q: Endpoint rotation order?
In list order, can be adjusted by drag and drop.
Q: Is data secure?
All data is stored locally in ~/.ccNexus/, API keys are never sent to third parties.