Slack Notification MCP Server

#!/usr/bin/env node import { readFileSync, writeFileSync, existsSync } from "fs"; import { createInterface } from "readline"; const rl = createInterface({ input: process.stdin, output: process.stdout }); function question(prompt) { return new Promise((resolve) => { rl.question(prompt, resolve); }); } async function setup() { console.log("🚀 Slack Notification MCP Setup"); console.log("================================\n"); if (existsSync("config.json")) { console.log("⚠️ config.json already exists!"); const overwrite = await question("Do you want to overwrite it? (y/N): "); if (!overwrite.toLowerCase().startsWith('y')) { console.log("Setup cancelled."); rl.close(); return; } } console.log("Let's configure your Slack channels for notifications.\n"); console.log("For each channel, you'll need a Slack webhook URL."); console.log("Get webhook URLs at: https://[workspace].slack.com/apps/manage/custom-integrations\n"); const channels = {}; let addMore = true; while (addMore) { console.log(`\n📱 Channel ${Object.keys(channels).length + 1} Configuration:`); console.log("─".repeat(30)); const channelId = await question("Channel ID (e.g., 'general', 'notifications'): "); if (!channelId) { console.log("Channel ID cannot be empty."); continue; } const channelName = await question("Display Name (e.g., 'General', 'Task Notifications'): "); const webhookUrl = await question("Slack Webhook URL: "); if (!webhookUrl.startsWith("https://hooks.slack.com/")) { console.log("⚠️ Warning: This doesn't look like a valid Slack webhook URL"); } channels[channelId] = { name: channelName || channelId, webhook_url: webhookUrl }; console.log(`✅ Added channel: ${channelName || channelId}`); const more = await question("\nAdd another channel? (y/N): "); addMore = more.toLowerCase().startsWith('y'); } const config = { channels }; try { writeFileSync("config.json", JSON.stringify(config, null, 2)); console.log("\n🎉 Configuration saved to config.json!"); console.log("\n📋 Summary:"); console.log("═".repeat(40)); Object.entries(channels).forEach(([id, channel]) => { console.log(`• ${channel.name} (slack_notify_${id})`); }); console.log("\n🔧 Next steps:"); console.log("1. Run 'npm install' to install dependencies"); console.log("2. Add this server to your Claude Desktop MCP configuration"); console.log("3. Restart Claude Desktop"); console.log("\nSee README.md for detailed instructions!"); } catch (error) { console.error("❌ Failed to save config:", error.message); } rl.close(); } setup().catch(console.error);