Add dropbox plugin (#3323)

.claude-plugin/marketplace.json

@@ -1167,6 +1167,22 @@
       },
       "homepage": "https://www.domino.ai"
     },
+    {
+      "name": "dropbox",
+      "description": "The Dropbox plugin for Claude connects your Dropbox files directly to Claude, so you can search, organize, save generated content, and create sharing links without switching tools. It respects your existing Dropbox permissions, and Claude only works with files you already have access to.",
+      "author": {
+        "name": "Dropbox"
+      },
+      "category": "productivity",
+      "source": {
+        "source": "git-subdir",
+        "url": "https://github.com/dropbox/dropbox-ai-plugins.git",
+        "path": "claude",
+        "ref": "main",
+        "sha": "2f9c81a5d012cc9c389132331a93f4ade06a97a9"
+      },
+      "homepage": "https://www.dropbox.com"
+    },
     {
       "name": "duckdb-skills",
       "description": "DuckDB-powered skills for Claude Code: read any data file, attach and query DuckDB databases, search DuckDB/DuckLake docs, search past session logs, and install/update DuckDB extensions.",