diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 3ad3f21..6ee0568 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -14,6 +14,11 @@
       "name": "venture",
       "source": "./venture",
       "description": "Founder/Fundraising/GTM-Material: Pitch Deck, Investor-Materials-Konsistenz, SaaS-Finanzmodell, Marktanalyse, Executive Summary"
+    },
+    {
+      "name": "nexus-dev",
+      "source": "./nexus-dev",
+      "description": "Projekt-Plugin für nexus (Family Knowledge Hub): SDD-Karten-Workflow inkl. Codex-Cross-Review, Security/Privacy-Invarianten (ACL-vor-Retrieval, fail-closed Routing, Lösch-Kaskade) als Implementierungsmuster, /nexus-karte Command. Für Sessions im Repo nexus-hub; knowledge-curator als sinnvolle Ergänzung (Memory-Hub-Pflege)."
     }
   ]
 }