diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
new file mode 100644
index 0000000..c55f35d
--- /dev/null
+++ b/.claude-plugin/marketplace.json
@@ -0,0 +1,11 @@
+{
+  "name": "core-claude",
+  "description": "Claude Code plugins for Host UK monorepo",
+  "plugins": [
+    {
+      "name": "core",
+      "path": "..",
+      "description": "Host UK unified framework - Go CLI, PHP framework, multi-repo management"
+    }
+  ]
+}
\ No newline at end of file