diff --git a/.changeset/list-hunk-checkpoint.md b/.changeset/list-hunk-checkpoint.md
new file mode 100644
index 000000000..a845151cc
--- /dev/null
+++ b/.changeset/list-hunk-checkpoint.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/website/src/data/extensions.ts b/website/src/data/extensions.ts
index bcb740858..a93686b38 100644
--- a/website/src/data/extensions.ts
+++ b/website/src/data/extensions.ts
@@ -134,6 +134,15 @@ export const EXTENSION_CATALOG: readonly ExtensionListing[] = [
     version: "0.1.0",
     apiVersion: 30,
   },
+  {
+    repo: "dorshinar/hunk-checkpoint",
+    name: "hunk-checkpoint",
+    summary:
+      "Runs incremental review rounds: checkpoint the working tree when a review is done, then diff only what the agent changed since.",
+    categories: ["Command"],
+    version: "0.1.0",
+    apiVersion: 28,
+  },
   {
     repo: "evantravers/hunk-mark-as-reviewed",
     name: "hunk-mark-as-reviewed",