diff --git a/types/assert/assert-tests.ts b/types/assert/assert-tests.ts
new file mode 100644
index 0000000000..22248c18bd
--- /dev/null
+++ b/types/assert/assert-tests.ts
@@ -0,0 +1,10 @@
+import * as assert from 'assert';
+
+assert(true, "it's working");
+
+assert.ok(true, "inner functions work as well");
+
+assert.throws(() => {});
+assert.throws(() => {}, () => {}, "works wonderfully");
+
+assert['fail'](true, true, "works like a charm");
diff --git a/types/assert/index.d.ts b/types/assert/index.d.ts
new file mode 100644
index 0000000000..d79805f5af
--- /dev/null
+++ b/types/assert/index.d.ts
@@ -0,0 +1,45 @@
+// Type definitions for commonjs-assert 1.4
+// Project: https://github.com/browserify/commonjs-assert
+// Definitions by: Nico Gallinal <https://github.com/nicoabie>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function assert(value: any, message?: string): void;
+
+declare namespace assert {
+    function fail(actual?: any, expected?: any, message?: string, operator?: string): void;
+
+    function ok(value: any, message?: string): void;
+
+    function equal(actual: any, expected: any, message?: string): void;
+
+    function notEqual(actual: any, expected: any, message?: string): void;
+
+    function deepEqual(actual: any, expected: any, message?: string): void;
+
+    function notDeepEqual(acutal: any, expected: any, message?: string): void;
+
+    function strictEqual(actual: any, expected: any, message?: string): void;
+
+    function notStrictEqual(actual: any, expected: any, message?: string): void;
+
+    function throws(block: () => void, message?: string): void;
+    function throws(block: () => void, error: () => void | ((err: any) => boolean) | RegExp, message?: string): void;
+
+    function doesNotThrow(block: () => void, message?: string): void;
+    function doesNotThrow(block: () => void, error: () => void | ((err: any) => boolean) | RegExp, message?: string): void;
+
+    function ifError(value: any): void;
+
+    class AssertionError implements Error {
+        name: string;
+        message: string;
+        actual: any;
+        expected: any;
+        operator: string;
+        generatedMessage: boolean;
+
+        constructor(options?: { message?: string; actual?: any; expected?: any; operator?: string; stackStartFunction?: () => void });
+    }
+}
+
+export = assert;
diff --git a/types/assert/tsconfig.json b/types/assert/tsconfig.json
new file mode 100644
index 0000000000..5ab217b2ab
--- /dev/null
+++ b/types/assert/tsconfig.json
@@ -0,0 +1,24 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "assert-tests.ts"
+    ]
+}
diff --git a/types/assert/tslint.json b/types/assert/tslint.json
new file mode 100644
index 0000000000..f93cf8562a
--- /dev/null
+++ b/types/assert/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}