diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
new file mode 100644
index 0000000..d353657
--- /dev/null
+++ b/.claude-plugin/marketplace.json
@@ -0,0 +1,12 @@
+{
+  "name": "infra-plugins",
+  "owner": { "name": "Senkensha" },
+  "plugins": [
+    {
+      "name": "taiga-auto-sync",
+      "source": "./plugins/taiga-auto-sync",
+      "description": "Injects IT Infra & Ops Taiga tracking rules on every prompt.",
+      "version": "0.1.0"
+    }
+  ]
+}