mcp-discord-agent-comm/dist/index.js

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

#!/usr/bin/env node
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { Client, GatewayIntentBits } from "discord.js";
import dotenv from "dotenv";
import { discordMessageTool } from "./tools/discord-message.js";
// Load environment variables
dotenv.config();
// Validate environment variables
const BOT_TOKEN = process.env.DISCORD_BOT_TOKEN;
const DEFAULT_CHANNEL_ID = process.env.DISCORD_CHANNEL_ID;
const DEFAULT_TIMEOUT = Number.parseInt(process.env.DEFAULT_TIMEOUT || "300");
if (!BOT_TOKEN) {
    console.error("Error: DISCORD_BOT_TOKEN is required");
    process.exit(1);
}
// Initialize Discord client
const discord = new Client({
    intents: [
        GatewayIntentBits.Guilds,
        GatewayIntentBits.GuildMessages,
        GatewayIntentBits.MessageContent,
        GatewayIntentBits.GuildMessageReactions,
    ],
});
// Store pending requests
const pendingRequests = new Map();
// Discord event handlers
discord.on("ready", () => {
    console.error(`Discord bot connected as ${discord.user?.tag}`);
});
discord.on("messageCreate", async (message) => {
    // Ignore bot messages
    if (message.author.bot)
        return;
    // Check if this is a reply to a pending request
    if (!message.reference?.messageId)
        return;
    const resolver = pendingRequests.get(message.reference.messageId);
    if (!resolver)
        return;
    // Resolve the pending request
    resolver(message.content);
    pendingRequests.delete(message.reference.messageId);
    // Add reaction to confirm receipt
    try {
        await message.react("✅");
    }
    catch (error) {
        console.error("Failed to add reaction:", error);
    }
});
// Initialize MCP server
const server = new McpServer({
    name: "discord-mcp-server",
    version: "0.1.0",
}, {
    capabilities: {
        tools: {},
    },
});
// Register tool
discordMessageTool(server, discord, DEFAULT_CHANNEL_ID, DEFAULT_TIMEOUT, pendingRequests);
// Start the server
async function main() {
    // Connect to Discord
    await discord.login(BOT_TOKEN);
    // Start MCP server
    const transport = new StdioServerTransport();
    await server.connect(transport);
    console.error("Discord MCP Server running");
}
main().catch((error) => {
    console.error("Fatal error:", error);
    process.exit(1);
});
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