diff --git a/jug/jug-tests.ts b/jug/jug-tests.ts
new file mode 100644
index 000000000..7353428e0
--- /dev/null
+++ b/jug/jug-tests.ts
@@ -0,0 +1,121 @@
+/// <reference path='./jug.d.ts' />
+import jug = require('jug');
+
+/*
+Example 1.
+ */
+var root = jug.init();
+
+root
+    .seed()
+    .seed();
+
+root.data({
+    interest: {
+        genre: 'Action',
+        year: 2014,
+        stars: [ 'Eva Green', 'Duck Dogers' ]
+    }
+});
+
+root.edge( 0 ).data({
+    info: {
+        name: '300: Rise of an Empire',
+        genre: 'Action',
+        stars: [ 'Eva Green', 'Duck Dogers' ],
+        year: 2014
+    }
+});
+
+root.edge( 1 ).data({
+    info: {
+        name: 'Man of Steel',
+        genre: 'Action',
+        stars: [ 'Henry Cavill' ],
+        year: 2013
+    }
+});
+
+root.edge(1).seed({
+    test: {
+        some: 'value'
+    }
+});
+
+var distance = root.proximity('interest', 'info');
+var close = distance.indexOf( 0 );
+var nodeData = root.edge( close ).data();
+
+/*
+Example 2.
+ */
+var wire = jug.init({
+    interest: {
+        cloth: 't-shirt',
+        color: 'red',
+        size: 'medium'
+    }
+});
+
+/*
+ Seed node
+ */
+wire.seed();
+
+/*
+ Seed node with data.
+ */
+wire.seed({
+    info: {
+        cloth: 't-shirt',
+        color: 'red',
+        size: 'medium'
+    }
+});
+
+/*
+ Access node.
+ */
+wire.edge(0);
+
+/*
+ Get distance between nodes
+ */
+// first argument is 'from' object
+// second argument is 'to' object
+root.proximity('interest', 'info');
+
+/*
+ Find a node.
+ */
+wire.find('info', { color: 'red' });
+
+/*
+ Verify the level.
+ */
+wire.edge(0).level();
+
+/*
+ Verify if the current node is the root
+ */
+wire.isRoot();
+
+/*
+ Getting childs of an specified edge
+ */
+wire.getChildsOf(0);
+
+/*
+ Getting parents of an specified level and edge.
+ */
+wire.getParentsFrom(1, 0);
+
+/*
+ Getting the length of childs of an specified edge.
+ */
+wire.getScopeOf(0);
+
+/*
+ Getting siblings of current level, excluding the index indicated.
+ */
+wire.getSiblingsOf(1);
diff --git a/jug/jug.d.ts b/jug/jug.d.ts
new file mode 100644
index 000000000..820700b8c
--- /dev/null
+++ b/jug/jug.d.ts
@@ -0,0 +1,135 @@
+// Type definitions for jug
+// Project: https://github.com/kaiquewdev/Graph
+// Definitions by: yevt <https://github.com/yevt>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module "jug" {
+    /**
+     * Internal structure of a vertex
+     */
+    interface VertexStructure {
+        level: number;
+        edge: Array<Vertex>,
+        data: VertexData,
+        parent: Vertex
+    }
+
+    /**
+     * User data of a vertex.
+     */
+    type VertexData = Object;
+
+    /**
+     * Graph constructor function.
+     */
+    interface GraphConstructor {
+        new():Graph;
+    }
+
+    /**
+     * Creates root node of a graph.
+     */
+    interface Graph {
+        vertex:VertexConstructor;
+        init(data?:VertexData):Vertex;
+    }
+
+    /**
+     * Vertex constructor function.
+     */
+    interface VertexConstructor {
+        new(obj?:VertexData):Vertex;
+    }
+
+    /**
+     * Represents one node of a graph.
+     */
+    interface Vertex {
+
+        /**
+         * Initial vertex data.
+         */
+        internal: VertexStructure;
+
+        /**
+         * Verify the level.
+         */
+        level(): number;
+
+        /**
+         * Get edge count.
+         */
+        edge(): number;
+
+        /**
+         * Access node.
+         * @param index - edge index.
+         */
+        edge(index:number): Vertex;
+
+        /**
+         * Seed node.
+         * @param [data] - created vertex UserData.
+         */
+        seed(data?:VertexData): Vertex;
+
+        /**
+         * Verify if the current node is the root.
+         */
+        isRoot(): boolean
+
+        /**
+         * Set node data.
+         * @param obj - data to be set.
+         */
+        data(obj:VertexData): Vertex;
+
+        /**
+         * Get node data.
+         */
+        data(): VertexData
+
+        /**
+         * Get distance between nodes.
+         * @param from {string}
+         * @param to {string}
+         */
+        proximity(from, to): Array<number>;
+
+        /**
+         * Find a node.
+         * @param {string} type - object type.
+         * @param {Object} query - _.where query object.
+         */
+        find(type:string|void, query:Object): Array<VertexData>;
+
+        /**
+         * Get siblings of specified edge.
+         * @param {number} index - edge index.
+         */
+        getSiblingsOf(index:number): Array<VertexData>;
+
+        /**
+         * Getting childs of an specified edge.
+         * @param egde - target vertex;
+         */
+        getChildsOf(egde:number): Array<VertexData>
+
+        /**
+         * Getting parents of an specified level and edge.
+         * @param {number} level - max level.
+         * @param {number} edge - edge index.
+         */
+        getParentsFrom(level:number, edge:number): Array<VertexData>
+
+        /**
+         * Getting the length of childs of an specified edge.
+         * @param {number} edge - edge index.
+         */
+        getScopeOf(edge:number): number;
+    }
+
+    var jug:Graph;
+
+    export = jug;
+}