diff --git a/types/mali/index.d.ts b/types/mali/index.d.ts
index 8e536d5330..e4c0f34dd7 100644
--- a/types/mali/index.d.ts
+++ b/types/mali/index.d.ts
@@ -8,70 +8,83 @@
 
 import { EventEmitter } from 'events';
 import { Stream } from 'stream';
+import * as grpc from 'grpc';
+
+type GrpcRequest =
+    | grpc.ServerUnaryCall<any>
+    | grpc.ServerReadableStream<any>
+    | grpc.ServerWriteableStream<any>
+	| grpc.ServerDuplexStream<any, any>;
+
+type GrpcResponse =
+    | grpc.ClientUnaryCall
+    | grpc.ClientReadableStream<any>
+    | grpc.ClientWritableStream<any>
+    | grpc.ClientDuplexStream<any, any>;
 
 declare class Mali extends EventEmitter {
-	constructor(path: any, name?: string | ReadonlyArray<string>, options?: any);
-	name: string;
-	env: string;
-	ports: ReadonlyArray<number>;
-	silent: boolean;
+    constructor(path: any, name?: string | ReadonlyArray<string>, options?: any);
+    name: string;
+    env: string;
+    ports: ReadonlyArray<number>;
+    silent: boolean;
 
-	addService(path: any, name: string | ReadonlyArray<string>, options?: any): void;
-	use(service?: any, name?: any, fns?: any): void;
-	start(port: number | string, creds?: any, options?: any): any; // gnarly type inferring for these functions so Im just gonna let them handle it.
-	toJSON(): any;
-	close(): Promise<void>;
-	inspect(): any;
+    addService(path: any, name: string | ReadonlyArray<string>, options?: any): void;
+    use(service?: any, name?: any, fns?: any): void;
+    start(port: number | string, creds?: any, options?: any): grpc.Server;
+    toJSON(): any;
+    close(): Promise<void>;
+    inspect(): any;
 }
 
 declare namespace Mali {
-	interface Context {
-		name: string;
-		fullName: string;
-		service: string;
-		package: string;
-		app: any; // ? app
-		call: any;
-		request: Request;
-		response: Response;
-		req: any; // ?
-		res: any; // ?
-		type: string;
-		metadata: string;
-		get(field: string): any;
-		set(field: any, val?: any): void; // do I need `?:` if its of type `any`?
-		sendMetadata(md: any): void;
-		getStatus(field: string): any;
-		setStatus(field: any, val?: any): void; // ^
-	}
+    interface Context {
+        name: string;
+        fullName: string;
+        service: string;
+        package: string;
+        app: Mali;
+        call: any;
+        request: Request;
+        response: Response;
+        req: GrpcRequest;
+        res: GrpcResponse;
+        type: string;
+        metadata: any;
+        get(field: string): any;
+        set(field: any, val?: any): void;
+        sendMetadata(md: any): void;
+        getStatus(field: string): any;
+        setStatus(field: any, val?: any): void;
+    }
 
-	class Request {
-		constructor(call: any, type: string);
-		call: any;
-		type: string;
-		metadata: any;
-		req: any; // ?
+    class Request {
+        constructor(call: any, type: string);
+        call: any;
+        type: string;
+        metadata: any;
+        req: GrpcRequest;
 
-		getMetadata(): any;
-		get(field: string): any;
-	}
+        getMetadata(): grpc.Metadata;
+        get(field: string): any;
+    }
 
-	class Response {
-		constructor(call: any, type: string);
-		call: any;
-		type: string;
-		metadata: any;
-		status: any;
-		res: any; // ?
-		set(field: any, val?: any): void; // is `val?:` necessary when its of type `any`?
-		get(field: string): any;
-		getMetadata(): any;
-		sendMetadata(md?: any): void;
-		getStatus(field: string): any;
-		setStatus(field: any, val?: any): void; // ^ same as above
-	}
+    class Response {
+        constructor(call: any, type: string);
+        call: any;
+        type: string;
+        metadata: any;
+        status: any;
+        res: GrpcResponse;
+        set(field: any, val?: any): void;
+        get(field: string): any;
+        getMetadata(): grpc.Metadata;
+        sendMetadata(md?: any): void;
+        getStatus(field: string): any;
+        setStatus(field: any, val?: any): void;
+    }
 
-	function exec(ctx: Context, handler: any, cb?: any): void;
+    function exec(ctx: Context, handler: any, cb?: any): void;
 }
 
 export = Mali;
diff --git a/types/mali/package.json b/types/mali/package.json
new file mode 100644
index 0000000000..5f75e2f944
--- /dev/null
+++ b/types/mali/package.json
@@ -0,0 +1,5 @@
+{
+    "dependencies": {
+        "grpc": "^1.0.0"
+    }
+}