diff --git a/.tangled/workflows/test.yml b/.tangled/workflows/test.yml
index 78a241c..e42db8a 100644
--- a/.tangled/workflows/test.yml
+++ b/.tangled/workflows/test.yml
@@ -9,10 +9,16 @@ dependencies:
   nixpkgs/nixpkgs-unstable:
     - go
     - gcc
+    - python314
+    - uv
 
 steps:
-  - name: "Run tests"
+  - name: "Test tg"
     command: "go test -race ./..."
+  - name: "Test mcp"
+    command: |
+      cd mcp
+      uv run pytest
   - name: "Check generated lexicons"
     command: |
       go generate ./internal/tangledlex
diff --git a/flake/devShell.nix b/flake/devShell.nix
index 37ae989..d777b7a 100644
--- a/flake/devShell.nix
+++ b/flake/devShell.nix
@@ -16,11 +16,6 @@ _: {
         ++ [config.packages.tg]
         ++ lib.attrValues config.treefmt.build.programs;
 
-      env = {
-        UV_PYTHON = pkgs.python314.interpreter;
-        UV_PYTHON_DOWNLOADS = "never";
-      };
-
       shellHook = ''
         echo "👋 Welcome to the tg devShell!"
       '';