chore: update license copyright and Cloud MCP endpoint

     - Update LICENSE copyright to Cockroach Labs Inc.
     - Update CockroachDB Cloud MCP endpoint URL and add OAuth 2.0 + API key auth details
     - Document all 12 Cloud MCP tools in comment

Author: viragtripathi

LICENSE

@@ -175,7 +175,7 @@
 
    END OF TERMS AND CONDITIONS
 
-   Copyright 2026 Virag Tripathi
+   Copyright 2026 Cockroach Labs Inc.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

mcp.json

@@ -26,8 +26,11 @@
     },
     "cockroachdb-cloud": {
       "type": "http",
-      "url": "https://mcp.cockroachlabs.cloud",
-      "_comment": "Official CockroachDB Cloud MCP Server — coming soon"
+      "url": "https://cockroachlabs.cloud/mcp",
+      "_comment": "Official CockroachDB Cloud MCP Server — OAuth 2.0 + API key auth. 12 tools: get_cluster_status, show_running_queries, list_databases, switch_database, create_database, list_tables, describe_table, create_table, list_columns, list_indexes, execute_query, explain_query. Read-only by default. Requires CockroachDB Cloud account.",
+      "env": {
+        "COCKROACHDB_CLOUD_API_KEY": "${COCKROACHDB_CLOUD_API_KEY}"
+      }
     }
   }
 }