diff --git a/common/src/app/common/types/file.cljc b/common/src/app/common/types/file.cljc
index d7e9feb676..3d67b4b6b1 100644
--- a/common/src/app/common/types/file.cljc
+++ b/common/src/app/common/types/file.cljc
@@ -28,7 +28,8 @@
    [app.common.types.shape :as cts]
    [app.common.types.shape-tree :as ctst]
    [app.common.types.text :as txt]
-   [app.common.types.tokens-lib :refer [schema:tokens-lib]]
+   [app.common.types.tokens-lib :as ctob]
+   [app.common.types.tokens-status :as ctos]
    [app.common.types.typographies-list :as ctyl]
    [app.common.types.typography :as cty]
    [app.common.uuid :as uuid]
@@ -86,7 +87,9 @@
    [:components {:optional true} schema:components]
    [:typographies {:optional true} schema:typographies]
    [:plugin-data {:optional true} schema:plugin-data]
-   [:tokens-lib {:optional true} schema:tokens-lib]])
+   [:tokens-source {:optional true} ::sm/uuid]                ;; Forward-compat: UUID of external library containing tokens-lib (full support in follow-up PR)
+   [:tokens-lib {:optional true} ctob/schema:tokens-lib]
+   [:tokens-status {:optional true} ctos/schema:tokens-status]])
 
 (def schema:file-metadata
   [:map {:title "Metadata"}
@@ -316,6 +319,7 @@
        (update-objects-tree container f)))))
 
 ;; Asset helpers
+
 (defn find-component-file
   [file libraries component-file]
   (if (and (some? file) (= component-file (:id file)))
diff --git a/common/src/app/common/types/tokens_status.cljc b/common/src/app/common/types/tokens_status.cljc
new file mode 100644
index 0000000000..c2953cc4c1
--- /dev/null
+++ b/common/src/app/common/types/tokens_status.cljc
@@ -0,0 +1,147 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC Sucursal en España SL
+
+(ns app.common.types.tokens-status
+  (:require
+   #?(:clj [app.common.fressian :as fres])
+   #?(:clj [clojure.data.json :as c.json])
+   [app.common.schema :as sm]
+   [app.common.schema.generators :as sg]
+   [app.common.transit :as t]
+   [clojure.core.protocols :as cp]
+   [clojure.datafy :refer [datafy]]
+   [clojure.pprint :as pp]))
+
+;; TokensStatus datatype contains the activation status of the themes and sets
+;; in a tokens library.
+
+(defprotocol ITokensStatus
+  (get-active-theme-ids [_] "Return a clojure set of active theme ids")
+  (get-active-set-ids [_] "Return a clojure set of active set ids")
+  (theme-active? [_ theme-id] "Check if a theme is active")
+  (set-active? [_ set-id] "Check if a set is active")
+  (set-tokens-status [_ theme-ids set-ids] "Set the activation status of the themes and sets"))
+
+(deftype TokensStatus [active-theme-ids active-set-ids]
+  cp/Datafiable
+  (datafy [_]
+    {:active-theme-ids active-theme-ids
+     :active-set-ids active-set-ids})
+
+  #?@(:clj
+      [c.json/JSONWriter
+       (-write [this writter options]
+               (c.json/-write (datafy this) writter options))])
+
+  ITokensStatus
+  (get-active-theme-ids [_]
+    active-theme-ids)
+
+  (get-active-set-ids [_]
+    active-set-ids)
+
+  (theme-active? [_ theme-id]
+    (assert (uuid? theme-id))
+    (contains? active-theme-ids theme-id))
+
+  (set-active? [_ set-id]
+    (assert (uuid? set-id))
+    (contains? active-set-ids set-id))
+
+  (set-tokens-status [_ theme-ids set-ids]
+    (assert (set? theme-ids))
+    (assert (set? set-ids))
+    (TokensStatus. theme-ids set-ids)))
+
+;; === Helper & Predicate ===
+
+(defn map->TokensStatus
+  [{:keys [active-theme-ids active-set-ids]}]
+  (TokensStatus. active-theme-ids active-set-ids))
+
+(defn tokens-status?
+  [o]
+  (instance? TokensStatus o))
+
+;; === Schemas, Check functions & Constructor ===
+
+(declare make-tokens-status)
+
+(def schema:tokens-status-attrs
+  [:map {:title "TokensStatus"}
+   [:active-theme-ids {:optional true} [:set {:gen/max 5} ::sm/uuid]]
+   [:active-set-ids {:optional true} [:set {:gen/max 5} ::sm/uuid]]])
+
+(def schema:tokens-status
+  [:and {:gen/gen (->> (sg/generator schema:tokens-status-attrs)
+                       (sg/fmap #(make-tokens-status %)))}
+   [:fn tokens-status?]])
+
+(def ^:private check-tokens-status-attrs
+  (sm/check-fn schema:tokens-status-attrs
+               :hint "expected valid params for tokens-status"))
+
+(def check-tokens-status
+  (sm/check-fn schema:tokens-status
+               :hint "expected valid tokens-status"))
+
+(defn make-tokens-status
+  [& {:as attrs}]
+  (-> attrs
+      (update :active-theme-ids #(or % #{}))
+      (update :active-set-ids #(or % #{}))
+      (check-tokens-status-attrs)
+      (map->TokensStatus)))
+
+;; === Pretty-print for debugging ===
+
+(defmethod pp/simple-dispatch TokensStatus [^TokensStatus obj]
+  (.write *out* "#penpot/tokens-status ")
+  (pp/pprint-newline :miser)
+  (pp/pprint (datafy obj)))
+
+#?(:clj
+   (do
+     (defmethod print-method TokensStatus
+       [^TokensStatus this ^java.io.Writer w]
+       (.write w "#penpot/tokens-status ")
+       (print-method (datafy this) w))
+
+     (defmethod print-dup TokensStatus
+       [^TokensStatus this ^java.io.Writer w]
+       (print-method this w)))
+
+   :cljs
+   (extend-type TokensStatus
+     cljs.core/IPrintWithWriter
+     (-pr-writer [this writer opts]
+       (-write writer "#penpot/tokens-status ")
+       (-pr-writer (datafy this) writer opts))
+
+     cljs.core/IEncodeJS
+     (-clj->js [this]
+       (clj->js (datafy this)))))
+
+;; === Transit serialization ===
+
+(t/add-handlers!
+ {:id "penpot/tokens-status"
+  :class TokensStatus
+  :wfn datafy
+  :rfn #(make-tokens-status %)})
+
+;; === Fressian serialization ===
+
+#?(:clj
+   (fres/add-handlers!
+    {:name "penpot/tokens-status/v1"
+     :class TokensStatus
+     :wfn (fn [n w o]
+            (fres/write-tag! w n 1)
+            (fres/write-object! w (datafy o)))
+     :rfn (fn [r]
+            (let [obj (fres/read-object! r)]
+              (make-tokens-status obj)))}))
diff --git a/common/test/common_tests/runner.cljc b/common/test/common_tests/runner.cljc
index cc08609837..1b55f1d1e4 100644
--- a/common/test/common_tests/runner.cljc
+++ b/common/test/common_tests/runner.cljc
@@ -86,6 +86,7 @@
    [common-tests.types.shape-layout-test]
    [common-tests.types.token-test]
    [common-tests.types.tokens-lib-test]
+   [common-tests.types.tokens-status-test]
    [common-tests.undo-stack-test]
    [common-tests.uuid-test]))
 
@@ -164,6 +165,7 @@
    'common-tests.types.shape-layout-test
    'common-tests.types.token-test
    'common-tests.types.tokens-lib-test
+   'common-tests.types.tokens-status-test
    'common-tests.undo-stack-test
    'common-tests.uuid-test])
 
diff --git a/common/test/common_tests/types/tokens_status_test.cljc b/common/test/common_tests/types/tokens_status_test.cljc
new file mode 100644
index 0000000000..d2ebb81dd3
--- /dev/null
+++ b/common/test/common_tests/types/tokens_status_test.cljc
@@ -0,0 +1,101 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC Sucursal en España SL
+
+(ns common-tests.types.tokens-status-test
+  (:require
+   #?(:clj [app.common.fressian :as fres])
+   #?(:clj [clojure.data.json :as json])
+   [app.common.transit :as tr]
+   [app.common.types.tokens-status :as ctos]
+   [app.common.uuid :as uuid]
+   [clojure.datafy :refer [datafy]]
+   [clojure.test :as t]))
+
+(t/deftest make-tokens-status
+  (let [theme-id (uuid/next)
+        set-id   (uuid/next)
+        status   (ctos/make-tokens-status :active-theme-ids #{theme-id}
+                                          :active-set-ids #{set-id})]
+    (t/is (ctos/tokens-status? status))
+    (t/is (ctos/check-tokens-status status))
+    (t/is (= 1 (count (ctos/get-active-theme-ids status))))
+    (t/is (ctos/theme-active? status theme-id))
+    (t/is (= 1 (count (ctos/get-active-set-ids status))))
+    (t/is (ctos/set-active? status set-id))))
+
+(t/deftest make-tokens-status-defaults
+  (let [status (ctos/make-tokens-status)]
+    (t/is (ctos/tokens-status? status))
+    (t/is (ctos/check-tokens-status status))
+    (t/is (= 0 (count (ctos/get-active-theme-ids status))))
+    (t/is (= 0 (count (ctos/get-active-set-ids status))))))
+
+(t/deftest make-invalid-tokens-status
+  (t/testing "non-set for active-themes"
+    (t/is (thrown-with-msg? #?(:cljs js/Error :clj Exception)
+                            #"expected valid params for tokens-status"
+                            (ctos/make-tokens-status :active-theme-ids []))))
+  (t/testing "non-uuid in active-sets"
+    (t/is (thrown-with-msg? #?(:cljs js/Error :clj Exception)
+                            #"expected valid params for tokens-status"
+                            (ctos/make-tokens-status :active-set-ids #{"not-a-uuid"})))))
+
+(t/deftest set-tokens-status
+  (let [theme1-id (uuid/next)
+        theme2-id (uuid/next)
+        theme3-id (uuid/next)
+        set1-id (uuid/next)
+        set2-id (uuid/next)
+        set3-id (uuid/next)
+        status (-> (ctos/make-tokens-status {:active-theme-ids #{theme3-id}
+                                             :active-set-ids #{set3-id}})
+                   (ctos/set-tokens-status #{theme1-id theme2-id} #{set1-id set2-id}))]
+    (t/is (= #{theme1-id theme2-id} (ctos/get-active-theme-ids status)))
+    (t/is (= #{set1-id set2-id} (ctos/get-active-set-ids status)))))
+
+(t/deftest datafy-tokens-status
+  (let [theme-id (uuid/next)
+        set-id   (uuid/next)
+        status   (ctos/make-tokens-status :active-theme-ids #{theme-id}
+                                          :active-set-ids #{set-id})
+        result   (datafy status)]
+    (t/is (map? result))
+    (t/is (not (ctos/tokens-status? result)))
+    (t/is (= (:active-theme-ids result) #{theme-id}))
+    (t/is (= (:active-set-ids result) #{set-id}))))
+
+(t/deftest transit-serialization
+  (let [theme-id (uuid/next)
+        set-id   (uuid/next)
+        status   (ctos/make-tokens-status :active-theme-ids #{theme-id}
+                                          :active-set-ids #{set-id})
+        encoded  (tr/encode-str status)
+        status'  (tr/decode-str encoded)]
+    (t/is (ctos/tokens-status? status'))
+    (t/is (= (datafy status') (datafy status)))))
+
+#?(:clj
+   (t/deftest fressian-serialization
+     (let [theme-id  (uuid/next)
+           set-id    (uuid/next)
+           status    (ctos/make-tokens-status :active-theme-ids #{theme-id}
+                                              :active-set-ids #{set-id})
+           encoded   (fres/encode status)
+           status'   (fres/decode encoded)]
+       (t/is (ctos/tokens-status? status'))
+       (t/is (= (datafy status') (datafy status))))))
+
+#?(:clj
+   (t/deftest json-serialization
+     (let [theme-id (uuid/next)
+           set-id   (uuid/next)
+           status   (ctos/make-tokens-status :active-theme-ids #{theme-id}
+                                             :active-set-ids #{set-id})
+           json-str (json/write-str status)
+           parsed   (json/read-str json-str :key-fn keyword)]
+       (t/is (map? parsed))
+       (t/is (= [(str theme-id)] (:active-theme-ids parsed)))
+       (t/is (= [(str set-id)] (:active-set-ids parsed))))))