openclaw/node_modules/chrome-devtools-mcp/build/src/tools/snapshot.js

Multi-channel AI gateway with extensible messaging integrations

/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { zod } from '../third_party/index.js';
import { ToolCategory } from './categories.js';
import { definePageTool, timeoutSchema } from './ToolDefinition.js';
export const takeSnapshot = definePageTool({
    name: 'take_snapshot',
    description: `Take a text snapshot of the target page based on the a11y tree. The snapshot lists page elements along with a unique
identifier (uid). Always use the latest snapshot. Prefer taking a snapshot over taking a screenshot. The snapshot indicates the element selected
in the DevTools Elements panel (if any).`,
    annotations: {
        category: ToolCategory.DEBUGGING,
        // Not read-only due to filePath param.
        readOnlyHint: false,
    },
    schema: {
        verbose: zod
            .boolean()
            .optional()
            .describe('Whether to include all possible information available in the full a11y tree. Default is false.'),
        filePath: zod
            .string()
            .optional()
            .describe('The absolute path, or a path relative to the current working directory, to save the snapshot to instead of attaching it to the response.'),
    },
    blockedByDialog: true,
    verifyFilesSchema: {
        filePath: true,
    },
    handler: async (request, response) => {
        response.includeSnapshot({
            verbose: request.params.verbose ?? false,
            filePath: request.params.filePath,
        });
    },
});
export const waitFor = definePageTool({
    name: 'wait_for',
    description: `Wait for the specified text to appear on the selected page.`,
    annotations: {
        category: ToolCategory.NAVIGATION,
        readOnlyHint: true,
    },
    schema: {
        text: zod
            .array(zod.string())
            .min(1)
            .describe('Non-empty list of texts. Resolves when any value appears on the page.'),
        ...timeoutSchema,
    },
    blockedByDialog: true,
    verifyFilesSchema: {},
    handler: async (request, response) => {
        const page = request.page;
        await page.waitForTextOnPage(request.params.text, request.params.timeout);
        response.appendResponseLine(`Element matching one of ${JSON.stringify(request.params.text)} found.`);
        response.includeSnapshot();
    },
});
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