Add convex-backend plugin

.claude-plugin/marketplace.json

@@ -404,38 +404,6 @@
       },
       "homepage": "https://carta.com"
     },
-    {
-      "name": "carta-crm",
-      "description": "Manage the Carta CRM conversationally — search, add, update, and enrich investors, companies, contacts, deals, notes, and fundraisings via the Carta CRM MCP Server.",
-      "author": {
-        "name": "Carta Engineering"
-      },
-      "category": "productivity",
-      "source": {
-        "source": "git-subdir",
-        "url": "https://github.com/carta/plugins.git",
-        "path": "plugins/carta-crm",
-        "ref": "main",
-        "sha": "e72e8d59a3c49c1983f63f20a02e440de4e30a2f"
-      },
-      "homepage": "https://carta.com"
-    },
-    {
-      "name": "carta-investors",
-      "description": "Carta Investors plugin — skills for querying investor data, performance benchmarks, regulatory reporting, AGM deck generation, brand extraction, and more via the Carta MCP Server.",
-      "author": {
-        "name": "Carta Engineering"
-      },
-      "category": "productivity",
-      "source": {
-        "source": "git-subdir",
-        "url": "https://github.com/carta/plugins.git",
-        "path": "plugins/carta-investors",
-        "ref": "main",
-        "sha": "e72e8d59a3c49c1983f63f20a02e440de4e30a2f"
-      },
-      "homepage": "https://carta.com"
-    },
     {
       "name": "cds-mcp",
       "description": "AI-assisted development of SAP Cloud Application Programming Model (CAP) projects. Search CDS models and CAP documentation.",