Add sourcegraph to marketplace

.claude-plugin/marketplace.json

@@ -686,15 +686,15 @@
       "homepage": "https://github.com/semgrep/mcp-marketplace.git"
     },
     {
-      "name": "data",
+      "name": "sourcegraph",
-      "description": "Data engineering for Apache Airflow and Astronomer. Author DAGs with best practices, debug pipeline failures, trace data lineage, profile tables, migrate Airflow 2 to 3, and manage local and cloud deployments.",
+      "description": "Code search and understanding across codebases. Search, read, and trace references across repositories; analyze refactor impact; investigate incidents via commit and diff search; run targeted security sweeps.",
       "category": "development",
       "source": {
         "source": "url",
-        "url": "https://github.com/astronomer/agents.git",
+        "url": "https://github.com/sourcegraph-community/sourcegraph-claudecode-plugin.git",
-        "sha": "7ef022b02f5296b5ecc52ba0db3ba9345ec03c9e"
+        "sha": "cfe3d44476957b16d1575261bef6b2dc7cb1e0b7"
       },
-      "homepage": "https://github.com/astronomer/agents"
+      "homepage": "https://sourcegraph.com"
     }
   ]
 }