DeepSeek Harness

Switch Harness to an OpenAI-compatible provider and use DeepSeek models through XycAi.

One-click setup with our desktop client
Download the XycAi client to install and configure everything automatically — no manual steps needed.
Set up now →

Connection values

Open Harness Provider / Model settings and choose OpenAI Compatible:

Base URL: https://cn.chatapi.app/v1
API Key:  sk-xxxxxxxx
Model:    deepseek-v4-pro

Verify the connection

Save the provider, run a short task, and confirm a successful request in the logs.

Troubleshooting

All docs