diff --git a/.eslintrc.chat.json b/.eslintrc.chat.json
new file mode 100644
index 0000000000..c600aac007
--- /dev/null
+++ b/.eslintrc.chat.json
@@ -0,0 +1,33 @@
+{
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": { "project": "./tsconfig.chat.json" },
+  "env": { "es6": true },
+  "ignorePatterns": ["node_modules", "build", "coverage", "proto", "src"],
+  "plugins": ["import", "eslint-comments", "functional"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:eslint-comments/recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:import/typescript",
+    "prettier",
+    "prettier/@typescript-eslint"
+  ],
+  "globals": { "BigInt": true, "console": true, "WebAssembly": true },
+  "rules": {
+    "@typescript-eslint/explicit-module-boundary-types": "off",
+    "eslint-comments/disable-enable-pair": [
+      "error",
+      { "allowWholeFile": true }
+    ],
+    "eslint-comments/no-unused-disable": "error",
+    "import/order": [
+      "error",
+      { "newlines-between": "always", "alphabetize": { "order": "asc" } }
+    ],
+    "sort-imports": [
+      "error",
+      { "ignoreDeclarationSort": true, "ignoreCase": true }
+    ]
+  }
+}
diff --git a/.eslintrc.json b/.eslintrc.json
index 67d7fd21d7..08bed2ca21 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -3,7 +3,7 @@
   "parser": "@typescript-eslint/parser",
   "parserOptions": { "project": "./tsconfig.json" },
   "env": { "es6": true },
-  "ignorePatterns": ["node_modules", "build", "coverage", "proto"],
+  "ignorePatterns": ["node_modules", "build", "coverage", "proto", "chat"],
   "plugins": ["import", "eslint-comments", "functional"],
   "extends": [
     "eslint:recommended",
diff --git a/chat/index.ts b/chat/index.ts
index 3b21e418bf..c53aff597d 100644
--- a/chat/index.ts
+++ b/chat/index.ts
@@ -1,17 +1,17 @@
+import readline from 'readline';
+
 import Waku from '../build/main/lib/waku';
-import { TOPIC } from '../build/main/lib/waku_relay';
 import { Message } from '../build/main/lib/waku_message';
-
-import readline from 'readline';
+import { TOPIC } from '../build/main/lib/waku_relay';
 import { delay } from '../build/main/test_utils/delay';
 
-;(async function() {
+(async function () {
   const opts = processArguments();
 
   const waku = await Waku.create({ listenAddresses: [opts.listenAddr] });
 
   // TODO: Bubble event to waku, infere topic, decode msg
-  waku.libp2p.pubsub.on(TOPIC, event => {
+  waku.libp2p.pubsub.on(TOPIC, (event) => {
     const msg = Message.fromBinary(event.data);
     console.log(msg.utf8Payload());
   });
@@ -40,7 +40,7 @@ import { delay } from '../build/main/test_utils/delay';
 
   const rl = readline.createInterface({
     input: process.stdin,
-    output: process.stdout
+    output: process.stdout,
   });
 
   console.log('Ready to chat!');
@@ -50,7 +50,6 @@ import { delay } from '../build/main/test_utils/delay';
     const msg = Message.fromUtf8String('(js-chat) ' + line);
     await waku.relay.publish(msg);
   });
-
 })();
 
 interface Options {
@@ -59,9 +58,9 @@ interface Options {
 }
 
 function processArguments(): Options {
-  let passedArgs = process.argv.slice(2);
+  const passedArgs = process.argv.slice(2);
 
-  let opts: Options = {listenAddr: '/ip4/0.0.0.0/tcp/0'};
+  let opts: Options = { listenAddr: '/ip4/0.0.0.0/tcp/0' };
 
   while (passedArgs.length) {
     const arg = passedArgs.shift();
@@ -74,7 +73,7 @@ function processArguments(): Options {
         break;
       default:
         console.log(`Unsupported argument: ${arg}`);
-        process.exit(1)
+        process.exit(1);
     }
   }
 
diff --git a/package.json b/package.json
index 8829b8b5e6..19cc6525ae 100644
--- a/package.json
+++ b/package.json
@@ -16,14 +16,18 @@
     "build:chat": "tsc -p tsconfig.chat.json",
     "fix": "run-s fix:*",
     "fix:prettier": "prettier \"src/**/*.ts\" --write",
+    "fix:chat:prettier": "prettier \"chat/**/*.ts\" --write",
     "fix:lint": "eslint src --ext .ts --fix",
+    "fix:chat:lint": "eslint chat --ext .ts --fix --no-eslintrc --config .eslintrc.chat.json",
     "pretest": "run-s pretest:*",
     "pretest:1-init-git-submodules": "[ -f './nim-waku/build/wakunode2' ] || git submodule update --init --recursive",
     "pretest:2-build-nim-waku": "cd nim-waku; [ -f './build/wakunode2' ] || make -j$(nproc --all 2>/dev/null || echo 2) wakunode2",
-    "start-chat": "ts-node chat/index.ts",
+    "chat:start": "ts-node chat/index.ts",
     "test": "run-s build test:*",
     "test:lint": "eslint src --ext .ts",
+    "test:lint-chat": "eslint chat --ext .ts --no-eslintrc --concig .eslintrc.chat.json",
     "test:prettier": "prettier \"src/**/*.ts\" --list-different",
+    "test:chat:prettier": "prettier \"src/**/*.ts\" --list-different",
     "test:spelling": "cspell \"{README.md,.github/*.md,src/**/*.ts}\"",
     "test:unit": "nyc --silent mocha --exit # TODO: Remove `--exit` and fix hanging processes",
     "test:lint-proto": "buf lint",
diff --git a/tsconfig.chat.json b/tsconfig.chat.json
index 7a9b8796f6..68d92932cb 100644
--- a/tsconfig.chat.json
+++ b/tsconfig.chat.json
@@ -44,7 +44,7 @@
     "types": ["node", "mocha"],
     "typeRoots": ["node_modules/@types"]
   },
-  "include": ["chat/**/*.ts"],
+  "include": ["chat/**/*.ts", "chat/*.ts"],
   "exclude": ["node_modules/**"],
   "compileOnSave": false,
   "ts-node": {