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archery-sql-mcp

Archery SQL 平台(sql.tec-develop.com)查询工具:自动登录 + 会话自愈 + 只读查询。 双模式运行——无参数启动为 MCP stdio server(任何 MCP 客户端可接入),带子命令则为 CLI。

安装

发布到 PyPI 后(最短路径):

uvx archery-sql-mcp --help          # 免安装直接跑
uv tool install archery-sql-mcp     # 或安装为全局命令

从内部 Git 仓库:

uv tool install git+https://git.tec-do.cn/<group>/archery-mcp.git

本地开发:

git clone <仓库地址> && cd archery-mcp
uv run --project . archery-sql-mcp --help

初始化账号密码(一次性)

archery-sql-mcp init

交互式录入 Archery 地址 / 用户名 / 密码(不回显)/ 默认实例 / 默认库, 写入 ~/.archery-mcp/config.json 并立即登录验证。

密码为本地明文存储(仅存于本机用户目录,不进任何 git 仓库)。 不想落盘的机器可改用环境变量:ARCHERY_USERNAME / ARCHERY_PASSWORD / ARCHERY_BASE_URL / ARCHERY_INSTANCE / ARCHERY_DB

会话缓存于 ~/.archery-mcp/session.json,冷启动自动复用(最长约两周), 过期自动重新登录,调用方无感。

自检与使用

archery-sql-mcp check    # 登录 + SELECT 1 全链路验证
archery-sql-mcp instances # 列出有读权限的数据库实例
archery-sql-mcp query "SELECT id, status, error_message FROM cv_video_script_audit_tasks ORDER BY created_at DESC LIMIT 10"
archery-sql-mcp query "SELECT count(*) FROM open_api_request_logs WHERE created_at > now() - interval '1 day'" --limit 10

仅允许 SELECT / WITH 开头的语句(可在配置 allowed_prefixes 扩展)。

接入 MCP 客户端

ZCode(~/.zcode/mcp.json)、Claude Desktop、Cursor(~/.cursor/mcp.json)同构:

{
  "mcpServers": {
    "archery": {
      "command": "uvx",
      "args": ["--from", "git+https://git.tec-do.cn/<group>/archery-mcp.git", "archery-sql-mcp"]
    }
  }
}

Claude Code:

claude mcp add archery -- uvx --from git+https://git.tec-do.cn/<group>/archery-mcp.git archery-sql-mcp

接入后 agent 可调用 5 个工具:

工具 用途
query(sql, db_name?, instance_name?, limit=100) 只读查询(仅 SELECT / WITH),返回 {status, columns, rows, row_count, elapsed_ms}
get_token() 登录并返回 token 概要(掩码显示,完整值在本机 session.json)
refresh_token() 强制刷新 token(清缓存重新登录)
list_instances() 列出有读权限(can_read)的数据库实例
instance_resources(resource_type, db_name?, instance_name?, schema_name?, tb_name?) 探查实例结构:schema / table / column

配置说明

配置优先级:环境变量 > ~/.archery-mcp/config.json > 内置默认。 配置文件支持多 profile(ARCHERY_PROFILE 选择):

{
  "default_profile": "prod",
  "profiles": {
    "prod": {
      "base_url": "https://sql.tec-develop.com",
      "username": "xxx",
      "password": "yyy",
      "instance_name": "alisg-haiyun-powerdata-pgsql-prod-01",
      "db_name": "creativault_business",
      "limit_num": 100,
      "allowed_prefixes": ["select", "with"],
      "poll_interval_s": 1,
      "query_timeout_s": 60
    }
  }
}

错误行为

场景 行为
session 过期 自动重登并重放请求,调用方无感
密码错 / 账号禁用 明确报错,不重试
非 SELECT 语句 客户端预检拒绝
SQL 语法错 透传数据库错误原文
查询超时 报错并附 query_id

密码与 sessionid 永不出现在日志和工具返回值中。

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