form_input

{
                "type": "object",
                "properties": {
                    "label": { "type": "string", "description": "Label text of the input field" },
                    "selector": { "type": "string", "description": "CSS selector (alternative to label)" },
                    "value": { "type": "string", "description": "Value to set" }
                },
                "required": ["value"]
            }

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "form_input",
    "arguments": { /* match input schema */ }
  }
}