Google Chat Webhook MCP Server

import { z } from 'zod'; const Widget = z.object({ textParagraph: z.object({ text: z.string() }).optional(), image: z.object({ imageUrl: z.string().url(), altText: z.string().optional() }).optional() }).refine((w) => !!w.textParagraph || !!w.image, { message: 'Widget must have textParagraph or image' }); const Section = z.object({ widgets: z.array(Widget).min(1) }); const Card = z.object({ header: z.object({ title: z.string() }).optional(), sections: z.array(Section).min(1) }); const CardsV2Item = z.object({ cardId: z.string(), card: Card }); const CardsV2Schema = z.array(CardsV2Item); export function validateCardsV2(cardsV2: any) { return CardsV2Schema.parse(cardsV2); }