diff --git a/flake.nix b/flake.nix
index 42d143a..b505b70 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,6 +49,19 @@
         dontFixup = true;
         auditable = false;
       };
+
+      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
+      '';
     in {
       packages.x86_64-linux = {
         inherit thermostat;
@@ -64,6 +77,7 @@
         packages = with pkgs; [
           rust llvm
           openocd dfu-util rlwrap
+          pytec-dev-wrappers
           ] ++ (with python3Packages; [
             numpy matplotlib
           ]);
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