安装 Cloud SQL for MySQL 插件

安装 cloud-sql-mysql@data-agent-kit，配置 ADC 和 CLOUD_SQL_MYSQL_* 实例参数，通过本地 MCP 连接 Cloud SQL。

gcloud auth application-default login
export CLOUD_SQL_MYSQL_PROJECT=YOUR_CLOUD_SQL_MYSQL_PROJECT
export CLOUD_SQL_MYSQL_REGION=YOUR_CLOUD_SQL_MYSQL_REGION
export CLOUD_SQL_MYSQL_INSTANCE=YOUR_CLOUD_SQL_MYSQL_INSTANCE
export CLOUD_SQL_MYSQL_DATABASE=YOUR_CLOUD_SQL_MYSQL_DATABASE

codex plugin marketplace add GoogleCloudPlatform/data-agent-kit
codex plugin add cloud-sql-mysql@data-agent-kit
codex mcp list

# 可选：
# export CLOUD_SQL_MYSQL_IP_TYPE=PRIVATE
# codex plugin marketplace upgrade data-agent-kit

# 不要：
# plugin install cloud-sql-mysql@data-agent-kit
# /plugin install cloud-sql-mysql@claude-plugins-official
# gemini extensions install https://github.com/gemini-cli-extensions/cloud-sql-mysql
# plugin add cloud-sql-postgresql@data-agent-kit
# plugin add alloydb@data-agent-kit
# plugin add dak@data-agent-kit-starter-pack-marketplace
# plugin add bigquery-data-analytics@data-agent-kit
# codex mcp login cloud-sql-mysql
# command = "./PATH/TO/toolbox"