diff --git a/changelog.d/3848.add b/changelog.d/3848.add
new file mode 100644
index 000000000..d7b1b0a84
--- /dev/null
+++ b/changelog.d/3848.add
@@ -0,0 +1 @@
+Add OAuth scope descriptions
diff --git a/lib/pleroma/web/api_spec/scopes/compiler.ex b/lib/pleroma/web/api_spec/scopes/compiler.ex
new file mode 100644
index 000000000..162edc9a3
--- /dev/null
+++ b/lib/pleroma/web/api_spec/scopes/compiler.ex
@@ -0,0 +1,82 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Scopes.Compiler do
+  defmacro __before_compile__(_env) do
+    strings = __MODULE__.extract_all_scopes()
+
+    quote do
+      def placeholder do
+        unquote do
+          Enum.map(
+            strings,
+            fn string ->
+              quote do
+                Pleroma.Web.Gettext.dgettext_noop(
+                  "oauth_scopes",
+                  unquote(string)
+                )
+              end
+            end
+          )
+        end
+      end
+    end
+  end
+
+  def extract_all_scopes do
+    extract_all_scopes_from(Pleroma.Web.ApiSpec.spec())
+  end
+
+  def extract_all_scopes_from(specs) do
+    specs.paths
+    |> Enum.reduce([], fn
+      {_path, %{} = path_item}, acc ->
+        extract_routes(path_item)
+        |> Enum.flat_map(fn operation -> process_operation(operation) end)
+        |> Kernel.++(acc)
+
+      {_, _}, acc ->
+        acc
+    end)
+    |> Enum.uniq()
+  end
+
+  defp extract_routes(path_item) do
+    path_item
+    |> Map.from_struct()
+    |> Enum.map(fn {_method, path_item} -> path_item end)
+    |> Enum.filter(fn
+      %OpenApiSpex.Operation{} = _operation -> true
+      _ -> false
+    end)
+  end
+
+  defp process_operation(operation) do
+    operation.security
+    |> Kernel.||([])
+    |> Enum.flat_map(fn
+      %{"oAuth" => scopes} -> process_scopes(scopes)
+      _ -> []
+    end)
+  end
+
+  defp process_scopes(scopes) do
+    scopes
+    |> Enum.flat_map(fn scope ->
+      process_scope(scope)
+    end)
+  end
+
+  def process_scope(scope) do
+    hierarchy = String.split(scope, ":")
+
+    {_, list} =
+      Enum.reduce(hierarchy, {"", []}, fn comp, {cur, list} ->
+        {cur <> comp <> ":", [cur <> comp | list]}
+      end)
+
+    list
+  end
+end
diff --git a/lib/pleroma/web/api_spec/scopes/translator.ex b/lib/pleroma/web/api_spec/scopes/translator.ex
new file mode 100644
index 000000000..54eea3593
--- /dev/null
+++ b/lib/pleroma/web/api_spec/scopes/translator.ex
@@ -0,0 +1,10 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Scopes.Translator do
+  require Pleroma.Web.ApiSpec.Scopes.Compiler
+  require Pleroma.Web.Gettext
+
+  @before_compile Pleroma.Web.ApiSpec.Scopes.Compiler
+end
diff --git a/lib/pleroma/web/templates/o_auth/o_auth/_scopes.html.eex b/lib/pleroma/web/templates/o_auth/o_auth/_scopes.html.eex
index 73115e92a..7585c4d3e 100644
--- a/lib/pleroma/web/templates/o_auth/o_auth/_scopes.html.eex
+++ b/lib/pleroma/web/templates/o_auth/o_auth/_scopes.html.eex
@@ -8,7 +8,7 @@
           <%= checkbox @form, :"scope_#{scope}", value: scope in @scopes && scope, checked_value: scope, unchecked_value: "", name: "authorization[scope][]" %>
           <%= label @form, :"scope_#{scope}", String.capitalize(scope) %>
           <%= if scope in @scopes && scope do %>
-            <%= String.capitalize(scope) %>
+            <code><%= scope %></code> <%= :"Elixir.Gettext".dgettext(Gettext, "oauth_scopes", scope) %>
           <% end %>
         </div>
       <% else %>
diff --git a/priv/gettext/en/LC_MESSAGES/oauth_scopes.po b/priv/gettext/en/LC_MESSAGES/oauth_scopes.po
new file mode 100644
index 000000000..105ca022b
--- /dev/null
+++ b/priv/gettext/en/LC_MESSAGES/oauth_scopes.po
@@ -0,0 +1,264 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR Free Software Foundation, Inc.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE VERSION\n"
+"PO-Revision-Date: 2023-05-02 17:02-0400\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin"
+msgstr "All admin access"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read"
+msgstr "Read all using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write"
+msgstr "Write all using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "follow"
+msgstr "Read and write user relationships"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "push"
+msgstr "Push notifications"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read"
+msgstr "Read everything"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:accounts"
+msgstr "Read information of all accounts"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:backups"
+msgstr "Read your backups"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:blocks"
+msgstr "Read block relationships"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:bookmarks"
+msgstr "Read your bookmarks"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:chats"
+msgstr "Read your chats"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:favourites"
+msgstr "Read your favourites"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:filters"
+msgstr "Read your filtering settings"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:follows"
+msgstr "Read follow relationships"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:lists"
+msgstr "Read your lists"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:notifications"
+msgstr "Read your notifications"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:reports"
+msgstr "Read your reports"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:search"
+msgstr "Perform searches"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:statuses"
+msgstr "Read all statuses you can see"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write"
+msgstr "Write everything"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:accounts"
+msgstr "Change your account information"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:blocks"
+msgstr "Block or unblock someone"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:bookmarks"
+msgstr "Add to or remove from your bookmarks"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:chats"
+msgstr "Create or delete chats or chat messages, or mark them as read"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:conversations"
+msgstr "Change recipients of, mark as read, or delete conversations"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:favourites"
+msgstr "Favourite or unfavourite statuses"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:filters"
+msgstr "Change your filtering settings"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:follow"
+msgstr "Follow or unfollow someone"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:follows"
+msgstr "Follow or unfollow someone"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:lists"
+msgstr "Create, change or delete your lists"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:media"
+msgstr "Upload media files or modify those you uploaded"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:mutes"
+msgstr "Mute or unmute someone"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:notifications"
+msgstr "Mark notifications as read"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:reports"
+msgstr "Submit reports"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:statuses"
+msgstr "Post, edit, reblog or react to statuses"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:accounts"
+msgstr "Read all accounts using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:chats"
+msgstr "Read all chats using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:invites"
+msgstr "Read all invites using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:media_proxy_caches"
+msgstr "Read media proxy caches using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:reports"
+msgstr "Read all reports using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:statuses"
+msgstr "Read all statuses using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:accounts"
+msgstr "Change all accounts using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:chats"
+msgstr "Change all chats using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:follows"
+msgstr "Change follow relationships using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:invites"
+msgstr "Invite or revoke an invite using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:media_proxy_caches"
+msgstr "Change media proxy caches using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:reports"
+msgstr "Handle reports using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:statuses"
+msgstr "Delete, change scope of, or mark as sensitive statuses using admin API"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:media"
+msgstr "Read media attachments"
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:mutes"
+msgstr "Read mute relationships"
diff --git a/priv/gettext/oauth_scopes.pot b/priv/gettext/oauth_scopes.pot
new file mode 100644
index 000000000..5f7b425f3
--- /dev/null
+++ b/priv/gettext/oauth_scopes.pot
@@ -0,0 +1,261 @@
+## This file is a PO Template file.
+##
+## "msgid"s here are often extracted from source code.
+## Add new translations manually only if they're dynamic
+## translations that can't be statically extracted.
+##
+## Run "mix gettext.extract" to bring this file up to
+## date. Leave "msgstr"s empty as changing them here has no
+## effect: edit them in PO (.po) files instead.
+msgid ""
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "follow"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "push"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:accounts"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:backups"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:blocks"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:bookmarks"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:chats"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:favourites"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:filters"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:follows"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:lists"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:notifications"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:reports"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:search"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:statuses"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:accounts"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:blocks"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:bookmarks"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:chats"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:conversations"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:favourites"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:filters"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:follow"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:follows"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:lists"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:media"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:mutes"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:notifications"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:reports"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "write:statuses"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:accounts"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:chats"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:invites"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:media_proxy_caches"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:reports"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:read:statuses"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:accounts"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:chats"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:follows"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:invites"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:media_proxy_caches"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:reports"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "admin:write:statuses"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:media"
+msgstr ""
+
+#, elixir-autogen, elixir-format
+#: lib/pleroma/web/api_spec/scopes/translator.ex:5
+msgid "read:mutes"
+msgstr ""
diff --git a/test/pleroma/web/api_spec/scopes/compiler_test.exs b/test/pleroma/web/api_spec/scopes/compiler_test.exs
new file mode 100644
index 000000000..99e1d343a
--- /dev/null
+++ b/test/pleroma/web/api_spec/scopes/compiler_test.exs
@@ -0,0 +1,56 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2023 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Scopes.CompilerTest do
+  use ExUnit.Case, async: true
+
+  alias Pleroma.Web.ApiSpec.Scopes.Compiler
+
+  @dummy_response %{}
+
+  @data %{
+    paths: %{
+      "/mew" => %OpenApiSpex.PathItem{
+        post: %OpenApiSpex.Operation{
+          security: [%{"oAuth" => ["a:b:c"]}],
+          responses: @dummy_response
+        },
+        get: %OpenApiSpex.Operation{security: nil, responses: @dummy_response}
+      },
+      "/mew2" => %OpenApiSpex.PathItem{
+        post: %OpenApiSpex.Operation{
+          security: [%{"oAuth" => ["d:e", "f:g"]}],
+          responses: @dummy_response
+        },
+        get: %OpenApiSpex.Operation{security: nil, responses: @dummy_response}
+      }
+    }
+  }
+
+  describe "process_scope/1" do
+    test "gives all higher-level scopes" do
+      scopes = Compiler.process_scope("admin:read:accounts")
+
+      assert [_, _, _] = scopes
+      assert "admin" in scopes
+      assert "admin:read" in scopes
+      assert "admin:read:accounts" in scopes
+    end
+  end
+
+  describe "extract_all_scopes_from/1" do
+    test "extracts scopes" do
+      scopes = Compiler.extract_all_scopes_from(@data)
+
+      assert [_, _, _, _, _, _, _] = scopes
+      assert "a" in scopes
+      assert "a:b" in scopes
+      assert "a:b:c" in scopes
+      assert "d" in scopes
+      assert "d:e" in scopes
+      assert "f" in scopes
+      assert "f:g" in scopes
+    end
+  end
+end