diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 0000000..eed5cf8
--- /dev/null
+++ b/.eslintrc
@@ -0,0 +1,3 @@
+{
+  "extends": ["cryingbot"]
+}
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7c30c16
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+# Dependency directories
+node_modules/
+
+# 토큰(config)
+config/
+
+
+# husky 파일은 우선 공유
+#/.husky
+#/.prettier
diff --git a/.husky/pre-commit b/.husky/pre-commit
new file mode 100755
index 0000000..97c59fb
--- /dev/null
+++ b/.husky/pre-commit
@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+eslint . --ext .js
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..7c1c81f
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,8 @@
+{
+    "printWidth": 100,
+    "tabWidth": 2,
+    "semi": true,
+    "singleQuote": true,
+    "bracketSpacing": true,
+    "arrowParens": "always"
+}
\ No newline at end of file
diff --git a/config/bot.json b/config/bot.json
new file mode 100644
index 0000000..7931d28
--- /dev/null
+++ b/config/bot.json
@@ -0,0 +1,3 @@
+{
+    "Signing_SECRET":""
+} 
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..930d17e
--- /dev/null
+++ b/package.json
@@ -0,0 +1,13 @@
+{
+  "dependencies": {
+    "@slack/rtm-api": "^6.0.0",
+    "dotenv": "^16.0.3"
+  },
+  "devDependencies": {
+    "eslint-config-cryingbot": "^1.0.2",
+    "husky": "^8.0.0"
+  },
+  "scripts": {
+    "prepare": "husky install"
+  }
+}
diff --git a/src/greeting.js b/src/greeting.js
new file mode 100644
index 0000000..fc609f9
--- /dev/null
+++ b/src/greeting.js
@@ -0,0 +1,6 @@
+const greeting = function (rtm, channel) {
+  console.log('Greeting Here');
+  rtm.sendMessage('HIHIHIHIHIHIHIHIHIHII', channel);
+};
+
+module.exports = greeting;
diff --git a/src/main.js b/src/main.js
new file mode 100644
index 0000000..52fb79b
--- /dev/null
+++ b/src/main.js
@@ -0,0 +1,30 @@
+require('dotenv').config();
+
+const { RTMClient } = require('@slack/rtm-api');
+
+const token = require('../config/bot.json').Signing_SECRET;
+
+const rtm = new RTMClient(token);
+rtm.start();
+
+const greeting = require('./greeting');
+const square = require('./square');
+
+rtm.on('message', (message) => {
+  const { channel } = message;
+  const { text } = message;
+
+  if (!isNaN(text)) {
+    square(rtm, text, channel);
+  } else {
+    switch (text) {
+      case 'hi':
+      case 'hello':
+      case '안녕':
+        greeting(rtm, channel);
+        break;
+      default:
+        rtm.sendMessage('Im alive', channel);
+    }
+  }
+});
diff --git a/src/square.js b/src/square.js
new file mode 100644
index 0000000..dc9a98a
--- /dev/null
+++ b/src/square.js
@@ -0,0 +1,7 @@
+const square = function (rtm, text, channel) {
+  console.log('square : ');
+  console.log(text);
+  rtm.sendMessage(`:::::${text * text}`, channel);
+};
+
+module.exports = square;