安装 MySQL 插件

从 gemini-cli-extensions/mysql 安装 mysql@mysql，通过 MYSQL_DATABASE、MYSQL_USER 等参数连接 MySQL 实例。

export MYSQL_DATABASE=YOUR_MYSQL_DATABASE
export MYSQL_USER=YOUR_MYSQL_USER
export MYSQL_PASSWORD=YOUR_MYSQL_PASSWORD

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# 可选：
# export MYSQL_HOST=YOUR_MYSQL_HOST
# export MYSQL_PORT=YOUR_MYSQL_PORT
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# 不要：
# plugin install mysql@mysql
# plugin add mysql@data-agent-kit
# /plugin install mysql@mysql
# gemini extensions install https://github.com/gemini-cli-extensions/mysql
# plugin add cloud-sql-mysql@data-agent-kit
# export MYSQL_PROJECT
# export CLOUD_SQL_MYSQL_PROJECT
# codex mcp login mysql
# command = "./PATH/TO/toolbox"