Add atlan to marketplace

.claude-plugin/marketplace.json

@@ -1040,14 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "optibot",
-      "description": "AI code review that catches production-breaking bugs, business logic issues, and security vulnerabilities — directly in Claude Code.",
+      "name": "atlan",
+      "description": "Atlan data catalog plugin for Claude Code. Search, explore, govern, and manage your data assets through natural language. Powered by the Atlan MCP server with semantic search, lineage traversal, glossary management, data quality rules, and more.",
       "source": {
         "source": "url",
-        "url": "https://github.com/Optimal-AI/optibot-skill.git",
-        "sha": "981db1f630c3116d7df0a71e5967af55b08e813c"
+        "url": "https://github.com/atlanhq/agent-toolkit.git",
+        "sha": "acdf284da6aa98b14f8dad90a9827006d8df425c"
       },
-      "homepage": "https://getoptimal.ai"
+      "homepage": "https://docs.atlan.com/"
     }
   ]
 }