diff --git a/types/mosca/index.d.ts b/types/mosca/index.d.ts
new file mode 100644
index 0000000000..4478a6e692
--- /dev/null
+++ b/types/mosca/index.d.ts
@@ -0,0 +1,89 @@
+// Type definitions for mosca 1.0
+// Project: https://github.com/mcollina/mosca
+// Definitions by: Joao Gabriel Gouveia <https://github.com/GabrielGouv>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export class Server {
+    opts: any;
+    modernOpts: any;
+    dedupId: any;
+    clients: any;
+    closed: boolean;
+
+    constructor(opts: any, callback?: () => void);
+
+    on(when: string, callback: (() => void) | ((client: Client) => void) | ((packet: Packet, client: Client) => void)): void;
+    once(when: string, callback: () => void): void;
+    toString(): string;
+    subscribe(topic: string, callback: () => void, done: () => void): void;
+    publish(message: Message, callback: (obj: any, packet: Packet) => void): void;
+    authenticate(client: Client, username: string, password: string,
+        callback: (obj: any, authenticated: boolean) => void): void;
+    published(packet: Packet, client: Client, callback: (obj: any) => void): void;
+    authorizePublish(client: Client, topic: string, payload: string,
+        callback: (obj: any, authorized: boolean) => void): void;
+    authorizeSubscribe(client: Client, topic: string, callback: (obj: any, authorized: boolean) => void): void;
+    authorizeForward(client: Client, packet: Packet, callback: (obj: any, authorized: boolean) => void): void;
+    storePacket(packet: Packet, callback: () => void): void;
+    deleteOfflinePacket(client: Client, messageId: number, callback: () => void): void;
+    forwardRetained(pattern: string, client: Client, callback: () => void): void;
+    restoreClientSubscriptions(client: Client, callback: () => void): void;
+    forwardOfflinePackets(client: Client, callback: () => void): void;
+    updateOfflinePacket(client: Client, originMessageId: number, packet: Packet,
+        callback: (obj: any, packet: Packet) => void): void;
+    persistClient(client: Client, callback: () => void): void;
+    close(callback: () => void): void;
+    attachHttpServer(server: any, path?: any): void;
+}
+
+export class Client {
+    id: any;
+    connection: any;
+    server: any;
+    logger: any;
+    subscriptions: any;
+    nextId: number;
+    inflight: any;
+    inflightCounter: number;
+    _lastDedupId: number;
+    _closed: boolean;
+    _closing: boolean;
+
+    constructor(connection: any, server: Server);
+
+    close(callback: () => void, reason: string): void;
+}
+
+export class Stats {
+    maxConnectedClients: number;
+    connectedClients: number;
+    lastIntervalConnectedClients: number;
+    publishedMessages: number;
+    lastIntervalPublishedMessages: number;
+    started: Date;
+    load: any;
+
+    wire(server: Server): void;
+}
+
+export class Authorizer {
+    users: any;
+
+    addUser(username: string, password: string, authorizePublish: string,
+        authorizeSubscribe: string, callback: (func: any) => void): void;
+}
+
+export interface Packet {
+    topic: string;
+    payload: any;
+    messageId: any;
+    qos: any;
+    retain: any;
+}
+
+export interface Message {
+    topic: string;
+    payload: any;
+    qos: number;
+    retain: boolean;
+}
diff --git a/types/mosca/mosca-tests.ts b/types/mosca/mosca-tests.ts
new file mode 100644
index 0000000000..e03b664b1b
--- /dev/null
+++ b/types/mosca/mosca-tests.ts
@@ -0,0 +1,16 @@
+import { Server, Client, Packet } from 'mosca';
+
+const settings = {
+    port: 1883,
+    host: '0.0.0.0'
+};
+
+const server = new Server(settings);
+
+server.on('ready', () => {});
+
+server.on('clientConnected', (client: Client) => {});
+
+server.on('clientDisconnected', (client: Client) => {});
+
+server.on('published', (packet: Packet, client: Client) => {});
diff --git a/types/mosca/tsconfig.json b/types/mosca/tsconfig.json
new file mode 100644
index 0000000000..58b3dcaaf8
--- /dev/null
+++ b/types/mosca/tsconfig.json
@@ -0,0 +1,21 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "mosca-tests.ts"
+    ]
+}
diff --git a/types/mosca/tslint.json b/types/mosca/tslint.json
new file mode 100644
index 0000000000..6746359dda
--- /dev/null
+++ b/types/mosca/tslint.json
@@ -0,0 +1,3 @@
+{ 
+    "extends": "dtslint/dt.json"
+}