type_text
Input specified text into a browser session using the Chrome Debug MCP Server, enabling automation of typing tasks with persistent login sessions.
Instructions
输入文本内容
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| text | Yes | 要输入的文本内容 |
Implementation Reference
- src/browserSession.ts:481-485 (handler)The core handler function that executes the type_text tool logic by typing the provided text using Puppeteer's page.keyboard.type() within the doAction wrapper for logging and screenshots.async type(text: string): Promise<BrowserActionResult> { return this.doAction(async (page) => { await page.keyboard.type(text); }); }
- src/index.ts:96-109 (registration)Registration of the type_text tool in the ListTools response, including name, description, and input schema.{ name: "type_text", description: "输入文本内容", inputSchema: { type: "object", properties: { text: { type: "string", description: "要输入的文本内容", }, }, required: ["text"], }, },
- src/index.ts:196-201 (handler)Dispatch handler in the CallToolRequestSchema switch statement that validates input and calls the browserSession.type() method.case "type_text": if (!args?.text) { throw new Error("text参数是必需的"); } result = await this.browserSession.type(args.text as string); break;
- src/browserSession.ts:165-246 (helper)Helper method used by type() and other actions to execute the action, handle console logs/errors, wait for stability, capture screenshots, and format results.async doAction(action: (page: Page) => Promise<void>): Promise<BrowserActionResult> { if (!this.page) { return { success: false, error: "浏览器未启动。请先调用 launch_browser 工具。" }; } const logs: string[] = []; let lastLogTs = Date.now(); const consoleListener = (msg: any) => { if (msg.type() === "log") { logs.push(msg.text()); } else { logs.push(`[${msg.type()}] ${msg.text()}`); } lastLogTs = Date.now(); }; const errorListener = (err: Error) => { logs.push(`[页面错误] ${err.toString()}`); lastLogTs = Date.now(); }; // 添加监听器 this.page.on("console", consoleListener); this.page.on("pageerror", errorListener); try { await action(this.page); } catch (err) { if (!(err instanceof TimeoutError)) { logs.push(`[错误] ${err instanceof Error ? err.message : String(err)}`); } return { success: false, error: err instanceof Error ? err.message : String(err), logs: logs.join("\n") }; } // 等待控制台静默，设置超时 await pWaitFor(() => Date.now() - lastLogTs >= 500, { timeout: 3_000, interval: 100, }).catch(() => {}); // 截图配置 let options: ScreenshotOptions = { encoding: "base64", }; let screenshotBase64 = await this.page.screenshot({ ...options, type: "webp", quality: 75, }).catch(() => null); let screenshot = screenshotBase64 ? `data:image/webp;base64,${screenshotBase64}` : undefined; if (!screenshotBase64) { console.log("webp截图失败，尝试png"); screenshotBase64 = await this.page.screenshot({ ...options, type: "png", }).catch(() => null); screenshot = screenshotBase64 ? `data:image/png;base64,${screenshotBase64}` : undefined; } // 移除监听器 this.page.off("console", consoleListener); this.page.off("pageerror", errorListener); return { success: true, screenshot, logs: logs.join("\n"), currentUrl: this.page.url(), currentMousePosition: this.currentMousePosition, }; }