WhatsApp Business MCP Server

Instructions

Implementation Reference

• src/whatsapp-client.ts:179-189 (handler)

  The actual implementation of sending a location message via the WhatsApp API.

  async sendLocationMessage(
    to: string,
    location: { latitude: number; longitude: number; name?: string; address?: string }
  ) {
    return this.request(`/${this.config.phoneNumberId}/messages`, "POST", {
      messaging_product: "whatsapp",
      to,
      type: "location",
      location,
    });
  }

• src/index.ts:233-247 (registration)

  MCP tool registration for 'send_location_message' which validates input and calls the WhatsApp client.

  server.tool(
    "send_location_message",
    "Send a location pin to a WhatsApp number.",
    {
      to: z.string().describe("Recipient phone number"),
      latitude: z.number().describe("Location latitude"),
      longitude: z.number().describe("Location longitude"),
      name: z.string().optional().describe("Location name"),
      address: z.string().optional().describe("Location address"),
    },
    async ({ to, latitude, longitude, name, address }) =>
      executeWithHooks("send_location_message", { to, latitude, longitude }, config, () =>
        wa.sendLocationMessage(to, { latitude, longitude, name, address })
      )
  );