MCP Fetch

import { getPages } from "../browser-instances" export async function execPage(pageId: string, source: string) { const pages = getPages() const pageInstance = pages[pageId] if (!pageInstance) { return JSON.stringify({ success: false, error: `Page with ID '${pageId}' not found`, }, null, 2) } const { page } = pageInstance if (page.isClosed()) { return JSON.stringify({ success: false, error: `Page '${pageId}' is closed`, }, null, 2) } try { // Create and execute an async function with page as parameter const execFunction = new Function('page', ` return (async () => { ${source} })() `) // Execute the function with the page object const result = await execFunction(page) // Convert result to string if it's not already const resultString = result === undefined ? "undefined" : result === null ? "null" : typeof result === "string" ? result : JSON.stringify(result, null, 2) return JSON.stringify({ success: true, result: resultString, }, null, 2) } catch (error) { return JSON.stringify({ success: false, error: error instanceof Error ? error.message : "Unknown error occurred", }, null, 2) } }