Add zoominfo plugin (#1885)

.claude-plugin/marketplace.json

@@ -2246,6 +2246,20 @@
       },
       "homepage": "https://developers.zoom.us/"
     },
+    {
+      "name": "zoominfo",
+      "description": "Search companies and contacts, enrich leads, find lookalikes, and get AI-ranked contact recommendations. Pre-built skills chain multiple ZoomInfo tools into complete B2B sales workflows.",
+      "author": {
+        "name": "ZoomInfo"
+      },
+      "category": "productivity",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/Zoominfo/zoominfo-mcp-plugin.git",
+        "sha": "14752e4553312d8af3eb3a3264a97d76bb3e0215"
+      },
+      "homepage": "https://www.zoominfo.com"
+    },
     {
       "name": "zscaler",
       "description": "Manage Zscaler cloud security platform including ZPA (private access), ZIA (internet access), ZDX (digital experience), ZCC (client connector), EASM (attack surface), and Z-Insights (analytics). Create and manage policies, troubleshoot connectivity, audit security configurations, and investigate incidents across the full Zscaler ecosystem.",