diff --git a/rosie/rosie-tests.ts b/rosie/rosie-tests.ts
new file mode 100644
index 0000000000..740f1e40c5
--- /dev/null
+++ b/rosie/rosie-tests.ts
@@ -0,0 +1,32 @@
+///<reference path="./rosie.d.ts" />
+
+let resultObj: Object;
+let resultFactory: rosie.IFactory;
+
+declare var Factory:rosie.IFactoryStatic;
+
+resultFactory = Factory.define('person').attr('name', 'John').sequence('id');
+resultObj = Factory.build('person');
+
+resultFactory = Factory.define('some').sequence('id').attr('name', ['id'], (id: number) => { return 'Name ' + id.toString() });
+resultObj = Factory.build('some');
+
+Factory.define('coach')
+  .option('buildPlayer', false)
+  .sequence('id')
+  .attr('players', ['id', 'buildPlayer'], function(id: any, buildPlayer: boolean) {
+    if (buildPlayer) {
+      return [Factory.build('player', {coach_id: id})];
+    }
+  })
+  .after(function(coach: any, options: any) {
+    if (options.buildPlayer) {
+      console.log('built player:', coach.players[0]);
+    }
+  });
+
+Factory.build('coach', {}, {buildPlayer: true});
+
+import rosie = require('rosie');
+
+var Factory = rosie.Factory;
diff --git a/rosie/rosie.d.ts b/rosie/rosie.d.ts
new file mode 100644
index 0000000000..31c7aa6f97
--- /dev/null
+++ b/rosie/rosie.d.ts
@@ -0,0 +1,201 @@
+// Type definitions for rosie
+// Project: https://github.com/rosiejs/rosie
+// Definitions by: Abner Oliveira <https://github.com/abner/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+declare module rosie {
+  interface IFactoryStatic {
+
+
+    /**
+     * Defines a factory by name and constructor function. Call #attr and #option
+     * on the result to define the properties of this factory.
+     *
+     * @param {!string} name
+     * @param {function(object): *=} constructor
+     * @return {Factory}
+     */
+    define(name: String, constructor?: Function):  IFactory;
+
+    /**
+     * Locates a factory by name and calls #build on it.
+     *
+     * @param {string} name
+     * @param {object=} attributes
+     * @param {object=} options
+     * @return {*}
+     */
+    build(name: string, attributes?: any, options?: Object): Object;
+
+    /**
+     * Builds a collection of objects using the named factory.
+     *
+     * @param {string} name
+     * @param {number} size
+     * @param {object=} attributes
+     * @param {object=} options
+     * @return {Array.<*>}
+     */
+    buildList(name: string, size: number, attributes?: any, options?: Object): Object[];
+
+    /**
+     * Locates a factory by name and calls #attributes on it.
+     *
+     * @param {string} name
+     * @param {object} attributes
+     * @param {object} options
+     * @return {object}
+     */
+    attributes(name: string, attributes: Object, options?: Object): Object;
+  }
+
+  interface IFactory {
+    /**
+      * Define an attribute on this factory. Attributes can optionally define a
+      * default value, either as a value (e.g. a string or number) or as a builder
+      * function. For example:
+      *
+      *   // no default value for age
+      *   Factory.define('Person').attr('age')
+      *
+      *   // static default value for age
+      *   Factory.define('Person').attr('age', 18)
+      *
+      *   // dynamic default value for age
+      *   Factory.define('Person').attr('age', function() {
+      *      return Math.random() * 100;
+      *   })
+      *
+      * Attributes with dynamic default values can depend on options or other
+      * attributes:
+      *
+      *   Factory.define('Person').attr('age', ['name'], function(name) {
+      *     return name === 'Brian' ? 30 : 18;
+      *   });
+      *
+      * By default if the consumer of your factory provides a value for an
+      * attribute your builder function will not be called. You can override this
+      * behavior by declaring that your attribute depends on itself:
+      *
+      *   Factory.define('Person').attr('spouse', ['spouse'], function(spouse) {
+      *     return Factory.build('Person', spouse);
+      *   });
+      *
+      * As in the example above, this can be a useful way to fill in
+      * partially-specified child objects.
+      *
+      * @param {string} attr
+      * @param {Array.<string>=} | any dependenciesOrValue
+      * @param any
+      * @return {Factory}
+      */
+    attr(name: string, dependenciesOrValue: any | string[], value?: any): IFactory;
+
+    /**
+     * Define an option for this factory. Options are values that may inform
+     * dynamic attribute behavior but are not included in objects built by the
+     * factory. Like attributes, options may have dependencies. Unlike
+     * attributes, options may only depend on other options.
+     *
+     *   Factory.define('Person')
+     *     .option('includeRelationships', false)
+     *     .attr(
+     *       'spouse',
+     *       ['spouse', 'includeRelationships'],
+     *       function(spouse, includeRelationships) {
+     *         return includeRelationships ?
+     *           Factory.build('Person', spouse) :
+     *           null;
+     *       });
+     *
+     *   Factory.build('Person', null, { includeRelationships: true });
+     *
+     * Options may have either static or dynamic default values, just like
+     * attributes. Options without default values must have a value specified
+     * when building.
+     *
+     * @param {string} opt
+     * @param {Array.<string>=} | any dependencies or value
+     * @param {*=} value
+     * @return {Factory}
+     */
+    option(name: string, dependenciesOrValue: any | string[], value?: any): IFactory;
+
+    /**
+     * Defines an attribute that, by default, simply has an auto-incrementing
+     * numeric value starting at 1. You can provide your own builder function
+     * that accepts the number of the sequence and returns whatever value you'd
+     * like it to be.
+     *
+     * Sequence values are inherited such that a factory derived from another
+     * with a sequence will share the state of that sequence and they will never
+     * conflict.
+     *
+     *   Factory.define('Person').sequence('id');
+     *
+     * @param {string} attr
+     * @param {Array.<string>=} dependencies
+     * @param {function(number): *=} builder
+     * @return {Factory}
+     */
+    sequence(name: string, dependencies?: string[], builder?: Function) : IFactory;
+
+    /**
+     * Sets a post-processor callback that will receive built objects and the
+     * options for the build just before they are returned from the #build
+     * function.
+     *
+     * @param {function(object, ?object)} callback
+     * @return {Factory}
+     */
+    after(functionArg: Function): IFactory;
+
+    /**
+     * Sets the constructor for this factory to be another factory. This can be
+     * used to create more specific sub-types of factories.
+     *
+     * @param {Factory} parentFactory
+     * @return {Factory}
+     */
+    inherits(functionArg: Function): IFactory;
+
+    /**
+     * Builds a plain object containing values for each of the declared
+     * attributes. The result of this is the same as the result when using #build
+     * when there is no constructor registered.
+     *
+     * @param {object=} attributes
+     * @param {object=} options
+     * @return {object}
+     */
+    attributes(attributes:Object, options: Object): Object;
+
+    /**
+     * Generates values for all the registered options using the values given.
+     *
+     * @private
+     * @param {object} options
+     * @return {object}
+     */
+    options(options: Object): Object;
+
+    /**
+     * Builds objects by getting values for all attributes and optionally passing
+     * the result to a constructor function.
+     *
+     * @param {object=} attributes
+     * @param {object=} options
+     * @return {*}
+     */
+    build(attributes: Object, options: Object): Object;
+
+    buildList(size: number, attributes: Object, options: Object): Object[];
+
+  }
+
+}
+
+declare var rosie: { Factory: rosie.IFactoryStatic };
+
+declare module 'rosie' {
+    export = rosie;
+}