Chrome Debug MCP Server

Instructions

Implementation Reference

• src/browserSession.ts:554-574 (handler)

  The handler function that executes the get_page_content tool logic. It retrieves the HTML content of the current page using Puppeteer's page.content() and returns it in the logs field of BrowserActionResult.

  async getPageContent(): Promise<BrowserActionResult> {
  	if (!this.page) {
  		return {
  			success: false,
  			error: "浏览器未启动或页面不存在"
  		};
  	}
  
  	try {
  		const content = await this.page.content();
  		return {
  			success: true,
  			logs: content
  		};
  	} catch (error) {
  		return {
  			success: false,
  			error: error instanceof Error ? error.message : String(error)
  		};
  	}
  }

• src/index.ts:225-227 (registration)

  Registration/dispatch point in the CallToolRequestSchema handler where the get_page_content tool call is routed to BrowserSession.getPageContent().

  case "get_page_content":
  	result = await this.browserSession.getPageContent();
  	break;

• src/index.ts:154-162 (schema)

  Tool schema definition including name, description, and empty input schema (no parameters required) registered in the ListToolsRequestSchema handler.

  	{
  		name: "get_page_content",
  		description: "获取当前页面的HTML内容",
  		inputSchema: {
  			type: "object",
  			properties: {},
  		},
  	},
  ] as Tool[],

• src/index.ts:321-322 (helper)

  Helper function to generate success message for the get_page_content tool.

  case "get_page_content":
  	return "✅ 页面内容获取完成";