Overview of using Claude Opus through the Agent Router gateway and the three-step setup process.
Gather Claude Desktop, an Agent Router API key, and the gateway URL before configuring the app.
Create claude_desktop_config.json using the correct Windows, macOS, or Linux path and JSON settings.
Reveal the hidden Developer menu and open the third-party inference configuration panel.
Enter the gateway credentials, select the authentication scheme, enable discovery, and add Opus models.
Resolve KVM permission issues on Linux, then restart and test the completed Claude Desktop setup.