diff --git a/behaviors/combos.dtsi b/behaviors/combos.dtsi
index a364c8c..3bdc345 100644
--- a/behaviors/combos.dtsi
+++ b/behaviors/combos.dtsi
@@ -64,6 +64,9 @@ ZMK_COMBO(fat_arrow, &FAT_ARROW, LM1 LM2, SYM)
 // THIN ARROW - Left index & middle fingers on bottom row, active on symbol layer
 ZMK_COMBO(arrow, &ARROW, LB1 LB2, SYM)
 
+// Markdown Code Block Fence - Right index & middle fingers on top row, active on symbol layer
+ZMK_COMBO(code_block, &MDCB, RT1 RT2, SYM)
+
 // Lesser than or Equal - active on symbol layer
 ZMK_COMBO(lte, &LTE, RB1 RB2, SYM)
 
diff --git a/behaviors/macros.dtsi b/behaviors/macros.dtsi
index 2d85df5..b04b5fb 100644
--- a/behaviors/macros.dtsi
+++ b/behaviors/macros.dtsi
@@ -20,6 +20,10 @@ ZMK_BEHAVIOR(ARROW, macro, bindings =
     <&kp SPACE>;
 )
 
+// Markdown code block fence: '```'
+ZMK_BEHAVIOR(CODE_BLOCK, macro, bindings =
+    <&GRA &GRA &GRA>;
+)
 // Greater than or equal to: ' >= '
 ZMK_BEHAVIOR(GTE, macro, bindings =
     <&kp SPACE>,
diff --git a/images/keymaps/urchin_keymap.svg b/images/keymaps/urchin_keymap.svg
index f44f1ab..ff8c23f 100644
--- a/images/keymaps/urchin_keymap.svg
+++ b/images/keymaps/urchin_keymap.svg
@@ -966,10 +966,14 @@ path.combo {
 <text x="168" y="148" class="combo tap">-&gt;</text>
 </g>
 <g class="combo combopos-2">
+<rect rx="6" ry="6" x="488" y="20" width="32" height="32" class="combo"/>
+<text x="504" y="36" class="combo tap">```</text>
+</g>
+<g class="combo combopos-3">
 <rect rx="6" ry="6" x="488" y="132" width="32" height="32" class="combo"/>
 <text x="504" y="148" class="combo tap">&lt;=</text>
 </g>
-<g class="combo combopos-3">
+<g class="combo combopos-4">
 <rect rx="6" ry="6" x="544" y="133" width="32" height="32" class="combo"/>
 <text x="560" y="149" class="combo tap">&gt;=</text>
 </g>
diff --git a/keymap-drawer/config.yaml b/keymap-drawer/config.yaml
index 185f00f..816b36b 100644
--- a/keymap-drawer/config.yaml
+++ b/keymap-drawer/config.yaml
@@ -433,6 +433,7 @@ parse_config:
     "&GTE": " >= ",
     "&ARROW": " -> ",
     "&FAT_ARROW": " => ",
+    "&MDCB": "```",
     "&out OUT_TOG": '$$output-toggle$$'
     }
   sticky_label: sticky
diff --git a/keymap-drawer/urchin_keymap.yaml b/keymap-drawer/urchin_keymap.yaml
index bc73449..d89b4fb 100644
--- a/keymap-drawer/urchin_keymap.yaml
+++ b/keymap-drawer/urchin_keymap.yaml
@@ -226,6 +226,9 @@ combos:
 - p: [23, 22]
   k: ' -> '
   l: [symbol]
+- p: [6, 7]
+  k: '```'
+  l: [symbol]
 - p: [26, 27]
   k: ' <= '
   l: [symbol]