diff --git a/packages/defold-tiny-ecs/library.json b/packages/defold-tiny-ecs/library.json
new file mode 100644
index 0000000..3628952
--- /dev/null
+++ b/packages/defold-tiny-ecs/library.json
@@ -0,0 +1,4 @@
+{
+	"name": "tinyecs",
+	"url": "https://github.com/ivanquirino/defold-tiny-ecs"
+}
diff --git a/packages/defold-tiny-ecs/tinyecs-1.3.3.d.ts b/packages/defold-tiny-ecs/tinyecs-1.3.3.d.ts
new file mode 100644
index 0000000..4470608
--- /dev/null
+++ b/packages/defold-tiny-ecs/tinyecs-1.3.3.d.ts
@@ -0,0 +1,2 @@
+/// <library version="1.3.3" src="https://github.com/ivanquirino/defold-tiny-ecs/archive/refs/tags/1.3-3.zip" />
+/// <reference path="tinyecs.tiny.d.ts" />
diff --git a/packages/defold-tiny-ecs/tinyecs.tiny.d.ts b/packages/defold-tiny-ecs/tinyecs.tiny.d.ts
new file mode 100644
index 0000000..8906698
--- /dev/null
+++ b/packages/defold-tiny-ecs/tinyecs.tiny.d.ts
@@ -0,0 +1,82 @@
+/** @noSelfInFile **/
+
+/**
+ * @see {@link https://github.com/ivanquirino/defold-tiny-ecs|Github Source}
+ * @noResolution
+ */
+declare module 'tinyecs.tiny' {
+	type Entity = any;
+
+	export function requireAll(...args: any[]): (entity: Entity) => boolean;
+	export function requireAny(...args: any[]): (entity: Entity) => boolean;
+	export function rejectAll(...args: any[]): (entity: Entity) => boolean;
+	export function rejectAny(...args: any[]): (entity: Entity) => boolean;
+	export function filter(pattern: string): (entity: Entity) => boolean;
+	export function system(table: System): System;
+	export function processingSystem(table: System): System;
+	export function sortedSystem(table: System): System;
+	export function sortedProcessingSystem(table: System): System;
+	export function world(...args: any[]): World;
+	export function addEntity(world: World, entity: Entity): Entity;
+	export function addSystem(world: World, system: System): System;
+	export function add(world: World, ...args: any[]): any;
+	export function removeEntity(world: World, entity: Entity): Entity;
+	export function removeSystem(world: World, system: System): System;
+	export function remove(world: World, ...args: any[]): any;
+	export function refresh(world: World): void;
+	export function update(world: World, dt: number, filter?: () => void): void;
+	export function clearEntities(world: World): void;
+	export function clearSystems(world: World): void;
+	export function getEntityCount(world: World): number;
+	export function getSystemCount(world: World): number;
+	export function setSystemIndex(world: World): void;
+
+	interface System {
+		id: string | number | undefined;
+		active: boolean;
+		filter?: (this: System, entity: Entity) => void;
+		world: World;
+		entities: Entity[];
+		/** Entity index in entities table */
+		indices: LuaTable<Entity, number>;
+		nocache: boolean;
+		index: number;
+		modified: boolean;
+		interval?: number;
+		onAdd?: (this: System, entity: Entity) => void;
+		onRemove?: (this: System, entity: Entity) => void;
+		onModify?: (dt: number) => void;
+		onAddToWorld?: (this: System, world: World) => void;
+		onRemoveFromWorld?: (this: System, world: World) => void;
+		preWrap?: (dt: number) => void;
+		postWrap?: () => void;
+		update?: (dt: number) => void;
+		preProcess?: (dt: number) => void;
+		process?: (entity: Entity, dt: number) => void;
+		postProcess?: (dt: number) => void;
+		compare?: (e1: Entity, e2: Entity) => void;
+	}
+
+	interface World {
+		entities: Entity[];
+		systems: System[];
+		add: (this: World, ...args: any[]) => any;
+		addEntity: (this: World, entity: Entity) => Entity;
+		addSystem: (this: World, system: System) => System;
+		remove: (this: World) => void;
+		removeEntity: (this: World, entity: Entity) => Entity;
+		removeSystem: (this: World, system: System) => System;
+		refresh: (this: World) => void;
+		update: (this: World, dt: number, filter?: () => void) => void;
+		clearEntities: (this: World) => void;
+		clearSystems: (this: World) => void;
+		getEntityCount: (this: World) => number;
+		getSystemCount: (this: World) => number;
+		setSystemIndex: (this: World) => void;
+		entitiesToChange: Entity[];
+		entitiesToRemove: Entity[];
+		systemsToChange: System[];
+		systemsToAdd: System[];
+		systemsToRemove: System[];
+	}
+}