Add oracledb plugin

.claude-plugin/marketplace.json

@@ -1747,6 +1747,20 @@
       },
       "homepage": "https://docs.oracle.com/en/cloud/paas/ai-data-platform/index.html"
     },
+    {
+      "name": "oracledb",
+      "description": "Connect, query, and interact with Oracle Databases and their data.",
+      "author": {
+        "name": "Google LLC"
+      },
+      "category": "database",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/gemini-cli-extensions/oracledb.git",
+        "sha": "56239109760fd8ea838a56c946400347467bfa6d"
+      },
+      "homepage": "https://github.com/gemini-cli-extensions/oracledb"
+    },
     {
       "name": "outputai",
       "description": "Output.ai workflow development toolkit for Claude Code. Adds 5 specialist agents (planner, builder, debugger, prompt writer, quality reviewer), 40+ slash-command skills covering scaffolding, debugging, evaluation, and credential management, plus a SessionStart hook that auto-loads Output SDK conventions so Claude understands the framework before the first prompt.",