[DO NOT SUBMIT] feat(plugin): migrate from generated skills to the prebuilt MCP server

.claude-plugin/plugin.json

@@ -7,7 +7,71 @@
     "email": "data-cloud-ai-integrations@google.com"
   },
   "homepage": "https://cloud.google.com/sql/docs/sqlserver",
-  "license": "Apache-2.0",
   "repository": "https://github.com/gemini-cli-extensions/cloud-sql-sqlserver",
-  "skills": "./skills/"
+  "license": "Apache-2.0",
+  "userConfig": {
+    "cloud_sql_mssql_project": {
+      "title": "Project Name",
+      "description": "Name of the Google Cloud project",
+      "type": "string",
+      "sensitive": false
+    },
+    "cloud_sql_mssql_region": {
+      "title": "Region",
+      "description": "Region of the Cloud SQL instance",
+      "type": "string",
+      "sensitive": false
+    },
+    "cloud_sql_mssql_instance": {
+      "title": "Instance ID",
+      "description": "ID of the Cloud SQL instance",
+      "type": "string",
+      "sensitive": false
+    },
+    "cloud_sql_mssql_database": {
+      "title": "Database",
+      "description": "Name of the database",
+      "type": "string",
+      "sensitive": false
+    },
+    "cloud_sql_mssql_user": {
+      "title": "User",
+      "description": "Username of the database user",
+      "type": "string",
+      "sensitive": false
+    },
+    "cloud_sql_mssql_password": {
+      "title": "Password",
+      "description": "Password of the database user",
+      "type": "string",
+      "sensitive": false
+    },
+    "cloud_sql_mssql_ip_type": {
+      "title": "Instance IP assignment",
+      "description": "(Optional) Type of the IP address: PUBLIC, PRIVATE, or PSC (Default: Public)",
+      "type": "string",
+      "sensitive": false
+    }
+  },
+  "mcpServers": {
+    "cloud-sql-mssql": {
+      "command": "npx",
+      "args": [
+        "-y",
+        "@toolbox-sdk/server@1.9.0",
+        "--prebuilt",
+        "cloud-sql-mssql",
+        "--stdio"
+      ],
+      "env": {
+        "CLOUD_SQL_MSSQL_PROJECT": "${user_config.cloud_sql_mssql_project}",
+        "CLOUD_SQL_MSSQL_REGION": "${user_config.cloud_sql_mssql_region}",
+        "CLOUD_SQL_MSSQL_INSTANCE": "${user_config.cloud_sql_mssql_instance}",
+        "CLOUD_SQL_MSSQL_DATABASE": "${user_config.cloud_sql_mssql_database}",
+        "CLOUD_SQL_MSSQL_USER": "${user_config.cloud_sql_mssql_user}",
+        "CLOUD_SQL_MSSQL_PASSWORD": "${user_config.cloud_sql_mssql_password}",
+        "CLOUD_SQL_MSSQL_IP_TYPE": "${user_config.cloud_sql_mssql_ip_type}"
+      }
+    }
+  }
 }

.codex-plugin/.mcp.json

@@ -0,0 +1,23 @@
+{
+  "mcpServers": {
+    "cloud-sql-mssql": {
+      "command": "npx",
+      "args": [
+        "-y",
+        "@toolbox-sdk/server@1.9.0",
+        "--prebuilt",
+        "cloud-sql-mssql",
+        "--stdio"
+      ],
+      "env_vars": [
+        "CLOUD_SQL_MSSQL_PROJECT",
+        "CLOUD_SQL_MSSQL_REGION",
+        "CLOUD_SQL_MSSQL_INSTANCE",
+        "CLOUD_SQL_MSSQL_DATABASE",
+        "CLOUD_SQL_MSSQL_USER",
+        "CLOUD_SQL_MSSQL_PASSWORD",
+        "CLOUD_SQL_MSSQL_IP_TYPE"
+      ]
+    }
+  }
+}

.codex-plugin/plugin.json

@@ -14,7 +14,6 @@
     "sql-server",
     "database"
   ],
-  "skills": "./skills/",
   "interface": {
     "displayName": "Cloud SQL for SQL Server",
     "shortDescription": "Interact with CloudSQL for SQL Server instances.",
@@ -27,5 +26,6 @@
     "defaultPrompt": [
       "You are a highly skilled database engineer and database administrator. Your purpose is to help the developer build and interact with databases and utilize data context throughout the entire software delivery cycle."
     ]
-  }
-}
+  },
+  "mcpServers": "./.codex-plugin/.mcp.json"
+}

.github/renovate.json5

@@ -21,18 +21,28 @@
       pinDigests: true,
     },
     {
-      matchPackageNames: ['googleapis/mcp-toolbox'],
+      matchPackageNames: ['@toolbox-sdk/server'],
+      // Group the toolbox update under a stable branch name (renovate/toolbox).
+      groupName: 'toolbox',
       'semanticCommitType': 'feat'
     }
   ],
   customManagers: [
     {
+      // Track the npm toolbox server pinned in the MCP command. The version is
+      // listed in the source (mcp.json) and repeated in every generated
+      // manifest, so all of them are bumped in one PR.
       customType: "regex",
-      managerFilePatterns: ["/toolbox_version\\.txt$/"],
-      matchStrings: ["(?<currentValue>[\\d\\.]+)"],
-      datasourceTemplate: "github-releases",
-      packageNameTemplate: "googleapis/mcp-toolbox",
-      extractVersionTemplate: "^v(?<version>.*)$",
+      managerFilePatterns: [
+        "/mcp\.json$/",
+        "/mcp_config\.json$/",
+        "/gemini-extension\.json$/",
+        "/\.claude-plugin/plugin\.json$/",
+        "/\.codex-plugin/\.mcp\.json$/",
+      ],
+      matchStrings: ["@toolbox-sdk/server@(?<currentValue>[\d\.]+)"],
+      datasourceTemplate: "npm",
+      depNameTemplate: "@toolbox-sdk/server",
     }
   ]
 }

.github/workflows/presubmit-tests.yml

@@ -17,22 +17,19 @@
   pull_request:
     branches: [ main ]
 
+permissions:
+  contents: read
+
 jobs:
   run-presubmit-tests:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Install Gemini CLI
         run: npm install @google/gemini-cli
 
-      - name: Install toolbox binary
-        run: |
-          VERSION=$(cat toolbox_version.txt)
-          curl -L -o toolbox "https://storage.googleapis.com/mcp-toolbox-for-databases/v${VERSION}/linux/amd64/toolbox"
-          chmod +x toolbox
-
       - name: Install Extension
         run: npx gemini extensions validate .
         env: