diff --git a/Model100.ino b/Model100.ino
index a1df074..56c9138 100644
--- a/Model100.ino
+++ b/Model100.ino
@@ -46,6 +46,8 @@
 
 #include "TapDance.h"
 
+#include "Kaleidoscope-Leader.h"
+
 /** The Model 100's key layouts are defined as 'keymaps'.
  *
  * Each keymap is defined as a list using the 'KEYMAP_STACKED' macro, built
@@ -83,6 +85,16 @@ enum {
   ONEHAND_RIGHT,
 };
 
+enum {
+    LEAD_EXT_PY,
+    LEAD_EXT_ORG,
+    LEAD_INIT_PY,
+};
+
+enum {
+    MAIN,
+};
+
 /* This comment temporarily turns off astyle's indent enforcement
  *   so we can make the keymaps actually resemble the physical key layout better
  */
@@ -97,10 +109,10 @@ KEYMAPS(
    Key_LeftControl, Key_Backspace, OSL(SHIFTED), Key_Escape,
    OSL(FUNCTION),
 
-   ___,       Key_6, Key_7, Key_8, Key_9, Key_Backtick, MoveToLayer(HUN),
-   TD(1),     Key_F, Key_G, Key_C, Key_R, Key_L,        LSHIFT(Key_7),
-              Key_D, Key_H, Key_T, Key_N, Key_S,        LSHIFT(Key_1),
-   Key_Enter, Key_B, Key_M, Key_W, Key_V, Key_Y,        Key_Slash,
+   LEAD(MAIN), Key_6, Key_7, Key_8, Key_9, Key_Backtick, MoveToLayer(HUN),
+   TD(1),      Key_F, Key_G, Key_C, Key_R, Key_L,        LSHIFT(Key_7),
+               Key_D, Key_H, Key_T, Key_N, Key_S,        LSHIFT(Key_1),
+   Key_Enter,  Key_B, Key_M, Key_W, Key_V, Key_Y,        Key_Slash,
    Key_LeftGui, Key_Enter, Key_Spacebar, OSM(LeftAlt),
    OSL(ALTGR)),
 
@@ -228,6 +240,23 @@ KEYMAPS(
 /* Re-enable astyle's indent enforcement */
 // clang-format on
 
+#define MACRO_TYPER(name, string) \
+    static void name##Typer(uint8_t seq_index) { \
+        Macros.type((string));                   \
+    }
+
+#define LEAD_MACRO(name) name##Typer
+
+// Note that this layout was made for a Hungarian OS layout, hence the y/z and _/? swaps.
+MACRO_TYPER(extPython, ".pz");
+MACRO_TYPER(extOrg, ".org");
+MACRO_TYPER(initPy, "??init??.pz");
+
+static const kaleidoscope::plugin::Leader::dictionary_t leader_dictionary[] PROGMEM = LEADER_DICT
+    ({LEADER_SEQ(LEAD(MAIN), Key_P), LEAD_MACRO(extPython)},
+     {LEADER_SEQ(LEAD(MAIN), Key_O), LEAD_MACRO(extOrg)},
+     {LEADER_SEQ(LEAD(MAIN), Key_I), LEAD_MACRO(initPy)});
+
 void toggleLedsOnSuspendResume(
     kaleidoscope::plugin::HostPowerManagement::Event event) {
   switch (event) {
@@ -290,7 +319,8 @@ KALEIDOSCOPE_INIT_PLUGINS(
   OneShot,
   EscapeOneShot,
   EscapeOneShotConfig,
-  TapDance
+  TapDance,
+  Leader
 );
 
 void setup() {
@@ -301,6 +331,7 @@ void setup() {
   StalkerEffect.activate();
   EEPROMKeymap.setup(9);
   ColormapEffect.max_layers(9);
+  Leader.dictionary = leader_dictionary;
   MouseKeys.speed = 2;
   MouseKeys.setSpeedLimit(31);
   MouseKeys.wheelDelay = 60;