Chrome DevTools MCP

Instructions

Implementation Reference

• src/tools/pages.ts:14-25 (registration)

  Full tool definition, registration, schema (empty), and handler for 'list_pages' tool. Exports the tool object created by defineTool.

  export const listPages = defineTool({
    name: 'list_pages',
    description: `Get a list of pages open in the browser.`,
    annotations: {
      category: ToolCategories.NAVIGATION_AUTOMATION,
      readOnlyHint: true,
    },
    schema: {},
    handler: async (_request, response) => {
      response.setIncludePages(true);
    },
  });

• src/tools/pages.ts:22-24 (handler)

  The handler function that sets the response to include the list of open pages, effectively listing them.

  handler: async (_request, response) => {
    response.setIncludePages(true);
  },

• src/tools/pages.ts:21-21 (schema)

  Empty schema indicating the tool takes no input parameters.

  schema: {},