Configuration
You can access the settings panel by clicking the Settings (gear) icon in the sidebar or bottom of the screen.
General
Section titled “General”- Language: Switch the UI language (English / Simplified Chinese).
- Always on Top: Keep the RelayCraft window above other applications.
- Confirm on Exit: Show a confirmation dialog before closing the app.
- Auto Start Capture: Start traffic capture automatically on app launch.
Network & Proxy
Section titled “Network & Proxy”- Proxy Port: Local proxy listening port (Default:
9090, range1024-65535). - Ignore SSL Certificate Validation: Useful for intranet/self-signed test environments.
- Upstream Proxy: Configure a proxy RelayCraft uses for outbound internet access.
- Proxy URL: e.g.,
http://127.0.0.1:7890 - Check Connection: Test whether the upstream proxy is reachable.
- Proxy URL: e.g.,
MCP Server
Section titled “MCP Server”- Enable MCP Server: Start/stop the built-in MCP endpoint.
- MCP Port: Default
7090. - Bearer Token: Used by MCP write tools (
create_rule,replay_request,delete_rule,toggle_rule). - Config Snippet: One-click copy for client config (Claude Desktop, Cursor, etc.).
Certificates
Section titled “Certificates”- Trust Status: Shows whether your OS trusts the RelayCraft Root CA.
- Install & Trust / Remove: Install or remove the root certificate from the system trust store.
- Regenerate Root CA: Generate a new CA certificate and private key.
- Open Certificate Directory: Quickly locate local certificate files.
Appearance
Section titled “Appearance”- Theme: Light, Dark, or System Default.
- Display Density:
- Compact: More rows, less padding.
- Comfortable: Balanced (Default).
- Relaxed: More spacing.
Plugins
Section titled “Plugins”- Market: Browse and install plugins.
- Installed: Manage your active plugins.
- Install from File: Install plugin packages directly from local files.
Advanced & About
Section titled “Advanced & About”- View System Logs: Open the built-in log viewer for Proxy/System/Script/Plugin/Crash logs.
- Verbose Mode: Enable detailed runtime logs for deeper troubleshooting (restart required after changes).
- Open Config/Data/Logs Folders: Jump directly to RelayCraft runtime directories.
- Check for Updates: Manually check the latest version and update when available.