diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..58d0e60
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,27 @@
+version: 2
+
+jobs:
+  build:
+    docker:
+      - image: circleci/node:8
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "package.json" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run: npm install
+
+      - run: make lint
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..802baa5
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,24 @@
+"use strict";
+
+module.exports = {
+  extends: [
+    "plugin:mozilla/recommended",
+  ],
+
+  plugins: [
+    "mozilla",
+  ],
+
+  parserOptions: {
+    sourceType: "module"
+  },
+
+  rules: {
+    "no-return-await": ["off"],
+    "valid-jsdoc": ["error", {
+      requireReturn: false,
+      requireParamDescription: false,
+      requireReturnDescription: false,
+    }],
+  },
+};
diff --git a/.gitignore b/.gitignore
index 17b3fbf..23b166b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .DS_Store
 /shield-study-js-errors.xpi
+node_modules
diff --git a/Makefile b/Makefile
index 675502e..9bdbe42 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,9 @@ build: shield-study-js-errors.xpi
 clean:
 	rm -f shield-study-js-errors.xpi
 
+lint:
+	./node_modules/.bin/eslint extension
+
 shield-study-js-errors.xpi: $(EXTENSION_FILES)
 	pushd extension; \
 	zip -r shield-study-js-errors.xpi ./*; \
diff --git a/README.md b/README.md
index c1fb64f..4bd897e 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,13 @@ Nightly:
 - `xpinstall.signatures.required`
 - `extensions.allow-non-mpc-extensions`
 
+Linting can be run on the add-on using `make lint`:
+
+```sh
+$ npm install # If they haven't been installed yet
+$ make lint
+```
+
 ## License
 Shield Study: JavaScript Errors is licensed under the MPLv2. See the `LICENSE`
 file for details.
diff --git a/extension/bootstrap.js b/extension/bootstrap.js
index a1b377c..d327e89 100644
--- a/extension/bootstrap.js
+++ b/extension/bootstrap.js
@@ -28,12 +28,12 @@ function generateFingerprint(error) {
 this.install = function() {};
 
 this.startup = function() {
-  logger = Log.repository.getLogger('shield-study-js-errors');
+  logger = Log.repository.getLogger("shield-study-js-errors");
   logger.addAppender(new Log.ConsoleAppender(new Log.BasicFormatter()));
   logger.level = Services.prefs.getIntPref(
     "extensions.shield-study-js-errors@shield.mozilla.org.logLevel",
     Log.Level.Warn,
-  );;
+  );
 
   ErrorReporting.startup();
 
@@ -58,7 +58,7 @@ this.startup = function() {
       addClientId: true,
       addEnvironment: true,
     });
-  })
+  });
 };
 
 this.shutdown = function() {
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..69d999f
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1501 @@
+{
+  "version": "0.1.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "acorn": {
+      "version": "https://registry.npmjs.org/acorn/-/acorn-5.2.1.tgz",
+      "integrity": "sha1-MXrHghgmwixwLWYYmrg1lnXxNdc=",
+      "dev": true
+    },
+    "acorn-jsx": {
+      "version": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
+      "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
+      "dev": true,
+      "requires": {
+        "acorn": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
+          "dev": true
+        }
+      }
+    },
+    "ajv": {
+      "version": "https://registry.npmjs.org/ajv/-/ajv-5.5.1.tgz",
+      "integrity": "sha1-s4u4h22ehr7plJVqBOch6IskjrI=",
+      "dev": true,
+      "requires": {
+        "co": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+        "fast-deep-equal": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz",
+        "fast-json-stable-stringify": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
+        "json-schema-traverse": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz"
+      }
+    },
+    "ajv-keywords": {
+      "version": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-2.1.1.tgz",
+      "integrity": "sha1-YXmX/F9gV2iUxDX5QNgZ4TW4B2I=",
+      "dev": true
+    },
+    "ansi-escapes": {
+      "version": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.0.0.tgz",
+      "integrity": "sha1-7D6LTp+AZPwCw6ybZfHCdb2o75I=",
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diff --git a/package.json b/package.json
new file mode 100644
index 0000000..bdae668
--- /dev/null
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "title": "Shield Study: JavaScript Errors",
+  "version": "0.1.0",
+  "description": "A Shield study to test collecting JavaScript errors thrown by Firefox chrome code",
+  "private": true,
+  "author": "Michael Kelly <mkelly@mozilla.com>",
+  "repository": "https://github.com/mozilla/shield-study-js-errors",
+  "license": "MPL-2.0",
+  "scripts": {
+    "lint": "eslint extension || true"
+  },
+  "devDependencies": {
+    "eslint": "^4.12.1",
+    "eslint-plugin-mozilla": "^0.4.9",
+    "eslint-plugin-no-unsanitized": "^2.0.2"
+  }
+}