WhatsApp Business MCP Server

Instructions

Implementation Reference

• src/whatsapp-client.ts:252-258 (handler)

  The actual implementation of the WhatsApp Business profile update API call using the WhatsAppClient class.

  async updateBusinessProfile(profile: Record<string, unknown>) {
    return this.request(
      `/${this.config.phoneNumberId}/whatsapp_business_profile`,
      "POST",
      { messaging_product: "whatsapp", ...profile }
    );
  }

• src/index.ts:351-365 (registration)

  MCP tool registration for "update_business_profile", defining the input schema using zod and linking to the WhatsAppClient implementation.

  server.tool(
    "update_business_profile",
    "Update the WhatsApp Business profile information.",
    {
      about: z.string().optional().describe("Short description (max 139 chars)"),
      description: z.string().optional().describe("Business description (max 512 chars)"),
      address: z.string().optional().describe("Business address"),
      email: z.string().optional().describe("Business email"),
      websites: z.array(z.string()).optional().describe("Business website URLs (max 2)"),
    },
    async (params) =>
      executeWithHooks("update_business_profile", params, config, () =>
        wa.updateBusinessProfile(params)
      )
  );