Connect your agent

Set up Windsurf

Add the server URL to mcp_config.json.

1
Open ScreenTap
The MCP server runs while the ScreenTap app is open.
2
Open the MCP config
In Windsurf, open Settings › Cascade › MCP Servers and choose View raw config. This opens ~/.codeium/windsurf/mcp_config.json.
3
Add ScreenTap
Paste this in. If the file already has servers, add only the "screentap" entry. Note that Windsurf calls the field serverUrl.
mcp_config.json
```
{
  "mcpServers": {
    "screentap": { "serverUrl": "http://127.0.0.1:47811/mcp" }
  }
}
```
4
Refresh and try it
Refresh the MCP servers in Cascade, then ask:
Prompt
```
Take a screenshot of my iPhone and tell me what's on screen.
```

Not working?

Check that the ScreenTap app is open and your iPhone is connected, then restart your agent or start a new session. More fixes in Troubleshooting.