MCP-Server-Playwright

Instructions

Implementation Reference

• index.ts:184-192 (handler)

  The handler implementation for the 'browser_navigate' tool. Navigates the Playwright browser page to the provided URL and returns a success message.

  case ToolName.BrowserNavigate:
    await page.goto(args.url);
    return {
      content: [{
        type: "text",
          text: `Navigated to ${args.url}`,
        }],
      isError: false,
    };

• index.ts:37-47 (schema)

  Schema definition for the 'browser_navigate' tool, specifying the input parameters and description.

  {
    name: ToolName.BrowserNavigate,
    description: "Navigate to a URL",
    inputSchema: {
      type: "object",
      properties: {
        url: { type: "string" },
      },
      required: ["url"],
    },
  },

• index.ts:640-642 (registration)

  Registers the list of available tools, including 'browser_navigate', via the ListToolsRequestSchema handler.

  server.setRequestHandler(ListToolsRequestSchema, async () => ({
    tools: TOOLS,
  }));

• index.ts:644-646 (registration)

  Registers the call tool handler which dispatches to the specific tool implementation based on name, including 'browser_navigate'.

  server.setRequestHandler(CallToolRequestSchema, async (request) =>
    handleToolCall(request.params.name as ToolName, request.params.arguments ?? {})
  );

• index.ts:23-23 (helper)

  Enum definition mapping ToolName.BrowserNavigate to the string 'browser_navigate' used throughout the code.

  BrowserNavigate = "browser_navigate",