mcp-discord-agent-comm/dist/tools/discord-message.js

An MCP server enabling async communication between AI agents and users via Discord - perfect for long-running tasks requiring remote interaction

import { z } from "zod";
import { getChannel } from "../utils.js";
export function discordMessageTool(server, discord, defaultChannelId, defaultTimeout, pendingRequests) {
    server.tool("discord_message", "Send a message to Discord, optionally waiting for a response", {
        message: z.string().describe("The message to send"),
        expect_reply: z
            .boolean()
            .optional()
            .default(false)
            .describe("Whether to wait for a user response"),
        channel_id: z
            .string()
            .optional()
            .describe("Discord channel ID (uses default if not provided)"),
    }, async ({ message, expect_reply, channel_id }) => {
        const channel = await getChannel(discord, channel_id, defaultChannelId);
        if (!expect_reply) {
            // Simple notification - just send and return
            await channel.send(message);
            return {
                content: [
                    {
                        type: "text",
                        text: JSON.stringify({
                            success: true,
                            message: "Message sent",
                        }),
                    },
                ],
            };
        }
        // Send message and wait for reply
        const sentMessage = await channel.send(`📋 **${message}**\n*Reply to this message to respond*`);
        // Wait for response
        const response = await new Promise((resolve, reject) => {
            const timer = setTimeout(() => {
                pendingRequests.delete(sentMessage.id);
                sentMessage
                    .edit(`${sentMessage.content}\n\n❌ **Timed out**`)
                    .catch(() => { });
                reject(new Error("Timeout waiting for response"));
            }, defaultTimeout * 1000);
            pendingRequests.set(sentMessage.id, (value) => {
                clearTimeout(timer);
                resolve(value);
            });
        });
        return {
            content: [
                {
                    type: "text",
                    text: JSON.stringify({ success: true, response }),
                },
            ],
        };
    });
}
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