diff --git a/.claude/settings.json b/.claude/settings.json
new file mode 100644
index 00000000..647162e2
--- /dev/null
+++ b/.claude/settings.json
@@ -0,0 +1,10 @@
+{
+  "plugins": {
+    "marketplaces": [
+      "PolicyEngine/policyengine-claude"
+    ],
+    "auto_install": [
+      "country-models@policyengine-claude"
+    ]
+  }
+}
diff --git a/changelog.d/add-claude-plugin.added.md b/changelog.d/add-claude-plugin.added.md
new file mode 100644
index 00000000..3a42b41a
--- /dev/null
+++ b/changelog.d/add-claude-plugin.added.md
@@ -0,0 +1 @@
+Added policyengine-claude plugin auto-install configuration.