diff --git a/README.md b/README.md
index ea479e2..7654198 100644
--- a/README.md
+++ b/README.md
@@ -1880,6 +1880,7 @@ interface PcbGroup {
   layout_mode?: string
   autorouter_configuration?: {
     trace_clearance: Length
+    allow_via_in_pad?: boolean
   }
   autorouter_used_string?: string
 }
diff --git a/src/pcb/pcb_group.ts b/src/pcb/pcb_group.ts
index b86c8a3..c528764 100644
--- a/src/pcb/pcb_group.ts
+++ b/src/pcb/pcb_group.ts
@@ -47,6 +47,12 @@ export const pcb_group = z
     autorouter_configuration: z
       .object({
         trace_clearance: length,
+        allow_via_in_pad: z
+          .boolean()
+          .optional()
+          .describe(
+            "Allows the autorouter to place vias inside connected pads. Omitted or false keeps via-in-pad routing disabled.",
+          ),
       })
       .optional(),
     autorouter_used_string: z.string().optional(),
@@ -83,6 +89,7 @@ export interface PcbGroup {
   layout_mode?: string
   autorouter_configuration?: {
     trace_clearance: Length
+    allow_via_in_pad?: boolean
   }
   autorouter_used_string?: string
 }
diff --git a/tests/pcb_group_autorouter.test.ts b/tests/pcb_group_autorouter.test.ts
index cbaf12d..2d8f06e 100644
--- a/tests/pcb_group_autorouter.test.ts
+++ b/tests/pcb_group_autorouter.test.ts
@@ -16,6 +16,24 @@ test("pcb_group.autorouter_configuration.trace_clearance parses", () => {
   expect(group.autorouter_configuration?.trace_clearance).toBe(0.2)
 })
 
+test("pcb_group.autorouter_configuration.allow_via_in_pad parses", () => {
+  const group = pcb_group.parse({
+    type: "pcb_group",
+    source_group_id: "g1",
+    center: { x: 0, y: 0 },
+    width: 10,
+    height: 10,
+    pcb_component_ids: [],
+    autorouter_configuration: {
+      trace_clearance: 0.2,
+      allow_via_in_pad: true,
+    },
+  })
+
+  expect(group.autorouter_configuration?.allow_via_in_pad).toBe(true)
+  expect(group.autorouter_configuration?.trace_clearance).toBe(0.2)
+})
+
 test("pcb_group.autorouter_used_string is optional", () => {
   const group = pcb_group.parse({
     type: "pcb_group",