diff --git a/plugins/by-name/telescope/extensions/ast-grep.nix b/plugins/by-name/telescope/extensions/ast-grep.nix
new file mode 100644
index 00000000..44fa675b
--- /dev/null
+++ b/plugins/by-name/telescope/extensions/ast-grep.nix
@@ -0,0 +1,8 @@
+let
+  mkExtension = import ./_mk-extension.nix;
+in
+mkExtension {
+  name = "ast-grep";
+  extensionName = "ast_grep";
+  package = "telescope-ast-grep-nvim";
+}
diff --git a/plugins/by-name/telescope/extensions/default.nix b/plugins/by-name/telescope/extensions/default.nix
index 0a879230..889006d7 100644
--- a/plugins/by-name/telescope/extensions/default.nix
+++ b/plugins/by-name/telescope/extensions/default.nix
@@ -1,6 +1,7 @@
 {
   imports = [
     ./advanced-git-search.nix
+    ./ast-grep.nix
     ./file-browser.nix
     ./frecency.nix
     ./fzf-native.nix
diff --git a/tests/test-sources/plugins/by-name/telescope/ast-grep.nix b/tests/test-sources/plugins/by-name/telescope/ast-grep.nix
new file mode 100644
index 00000000..93f207e9
--- /dev/null
+++ b/tests/test-sources/plugins/by-name/telescope/ast-grep.nix
@@ -0,0 +1,19 @@
+{
+  empty = {
+    plugins.telescope = {
+      enable = true;
+      extensions.ast-grep.enable = true;
+    };
+    plugins.web-devicons.enable = true;
+  };
+
+  combine-plugins = {
+    plugins.telescope = {
+      enable = true;
+      extensions.ast-grep.enable = true;
+    };
+
+    plugins.web-devicons.enable = true;
+    performance.combinePlugins.enable = true;
+  };
+}