{
	"name": "chrome_javascript",
	"description": "Execute JavaScript code in a browser tab and return the result. Uses CDP Runtime.evaluate with awaitPromise and returnByValue; automatically falls back to chrome.scripting.executeScript if the debugger is busy. Output is sanitized (sensitive data redacted) and truncated by default.",
	"parameters": {
		"type": "object",
		"properties": {
			"code": {
				"type": "string",
				"description": "JavaScript code to execute. Runs inside an async function body, so top-level await and \"return ...\" are supported. A single bare expression is auto-returned, so \"2+2\" yields 4 \u2014 but a MULTI-STATEMENT snippet needs an explicit \"return\", since only the last value of a one-expression snippet can be inferred (e.g. \"const t = document.title; return t;\")."
			},
			"tabId": {
				"type": "number",
				"description": "Target tab ID. If omitted, uses the current active tab."
			},
			"timeoutMs": {
				"type": "number",
				"description": "Execution timeout in milliseconds (default: 15000)."
			},
			"maxOutputBytes": {
				"type": "number",
				"description": "Maximum output size in bytes after sanitization (default: 51200). Output exceeding this limit will be truncated."
			}
		},
		"required": ["code"]
	}
}