diff --git a/flake.nix b/flake.nix
index 660ebea..3463942 100644
--- a/flake.nix
+++ b/flake.nix
@@ -118,6 +118,20 @@
         ];
       };
 
+      pytec-dev-wrappers = pkgs.runCommandNoCC "pytec-dev-wrappers" {}
+        ''
+        mkdir -p $out/bin
+        for program in ${self}/pytec/*.py; do
+          if [ -x $program ]; then
+            progname=`basename -s .py $program`
+            outname=$out/bin/$progname
+            echo "#!${pkgs.bash}/bin/bash" >> $outname
+            echo "exec python3 -m pytec.$progname \"\$@\"" >> $outname
+            chmod 755 $outname
+          fi
+        done
+        '';
+
       thermostat_gui = pkgs.python3Packages.buildPythonPackage {
         pname = "thermostat_gui";
         version = "0.0.0";
@@ -163,6 +177,7 @@
             rust
             openocd
             dfu-util
+            pytec-dev-wrappers
           ]
           ++ (with python3Packages; [
             numpy
diff --git a/pytec/autotune.py b/pytec/autotune.py
old mode 100644
new mode 100755
diff --git a/pytec/plot.py b/pytec/plot.py
old mode 100644
new mode 100755
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
old mode 100644
new mode 100755