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Agent-native MaxCompute CLI for external coding agents

Project description

maxc-cli

MaxCompute CLI — 不是 Agent,而是给 Agent 调用的结构化工具层。

快速开始

pip install maxc-cli

# 认证
maxc auth login --from-env --json          # 从环境变量
maxc auth login --access-id ID --secret-access-key KEY --project PROJ --endpoint URL --json

# 确认就绪
maxc auth whoami --json
maxc agent context --json

# 用
maxc meta search "销售" --json
maxc meta describe schema.table --json
maxc query cost "SELECT * FROM schema.table WHERE ds='20260415'" --json
maxc query "SELECT * FROM schema.table WHERE ds='20260415'" --json

命令一览

家族 命令 说明
query query [run], query cost, query explain SQL 执行、成本估算、执行计划
job submit, status, wait, result, cancel, diagnose, list 异步任务全生命周期
meta list-tables, describe, search, search-columns, partitions, latest-partition, freshness, list-projects, list-schemas, semantic set/get/list-missing 元数据发现与语义管理
data sample, profile 数据采样与画像
auth login, login-external, whoami, can-i 认证与权限
session set, show, unset 项目/Schema 切换
diff schema, partition, data 表结构/分区/数据对比
cache build, build-status, status, clear 元数据缓存管理
agent context, skill, install-skill Agent 集成与 SKILL 安装

所有命令支持 --json 输出 Envelope v2.0 结构化响应。支持 --format json|markdown|brief(全局标志)。

Agent 集成

方式 1:SKILL HUB(主路径)

SKILL HUB 安装 SKILL → Agent 读 SKILL.md → Agent 自己 pip install maxc-cli

方式 2:install-skill(内网兜底)

先 pip install,再一键注册到 Agent 平台:

pip install maxc-cli
maxc agent install-skill claude-code    # 或 cursor / windsurf / codex / qwen / qoder / qoderwork

install-skill 从独立仓库 maxcompute-cli-guidance 获取 SKILL.md + references/ 并安装到目标平台目录。

preflight 检查

Agent 启动时应先运行:

maxc agent context --json   # 版本、认证状态、后端可达性、能力矩阵
maxc agent skill --json     # SKILL.md 路径与 min_cli_version

Envelope v2.0

所有 --json 输出遵循统一结构:

{
  "version": "2.0",
  "command": "meta.describe",
  "command_id": "meta.describe",
  "status": "success | failure",
  "data": { ... },
  "metadata": { ... },
  "error": null | { "code": "...", "message": "...", "recovery_steps": [...] },
  "agent_hints": {
    "actions": [
      {
        "id": "meta.search",
        "title": "Search tables",
        "command": "maxc meta search <keyword> --json",
        "executable": false,
        "placeholders": {"keyword": "search keyword"},
        "args_schema": {}
      }
    ],
    "action_ids": ["meta.search"],
    "next_actions": ["maxc meta search <keyword> --json"],
    "insights": [...],
    "warnings": [...]
  }
}
  • agent_hints.actions[]: 结构化 SuggestedAction 对象数组(Phase 1 新增)
  • action_ids:稳定 dot-notation,用于程序化路由(meta.describejob.wait
  • next_actions:可直接 copy-paste 的 CLI 命令(从 actions[] 派生)
  • error.recovery_steps:错误码对应的恢复步骤

输出格式

--format 是全局标志,适用于所有命令:

maxc --format json meta describe my_table      # 结构化 JSON(默认,等价于 --json)
maxc --format markdown meta describe my_table  # 人类可读 markdown
maxc --format brief meta describe my_table     # 最小化单行输出(低 token 场景)

safety 块

queryjob 命令的 data 中包含 safety 字段,描述安全策略决策:

"safety": {
  "mode": "read_only",
  "force": false,
  "allowed_operations": ["SELECT"],
  "effective_hints": {"odps.sql.read.only": "true"},
  "policy_decision": "allowed"
}

详见 docs/ENVELOPE_SPEC.md

项目结构

src/maxc_cli/
├── cli.py               # argparse 命令注册
├── app.py               # MaxCApp 业务逻辑
├── models.py            # Envelope / AgentHints / QueryResult
├── exceptions.py        # ErrorPayload + 9 个异常子类 + recovery_steps
├── config.py            # YAML 配置加载
├── cache.py             # LocalCache (SQLite)
├── store.py             # JobStore (SQLite)
├── output.py            # Rich / 纯文本渲染
├── auth_providers.py    # AK-SK / NCS / 环境变量认证
├── backend/             # ODPS 后端(query / meta / catalog / data / diff 五个 mixin)
└── (skills/ 已迁移至独立仓库 aone-open-skill/maxcompute-cli-guidance)

文档

文档 内容
docs/ARCHITECTURE.md 三层架构、核心数据流、缓存/认证架构
docs/ENVELOPE_SPEC.md Envelope v2.0 规范、pagination、error codes
docs/ODPS_BACKEND.md ODPS 后端 API 映射、限制与回退行为
docs/design.md 产品定位与命令体系
docs/implementation.md 当前代码的真实行为和输出契约
docs/roadmap.md 路线图

限制

  • 只读:CLI 强制 SELECT-only,不支持 DDL/DML
  • auth login:AK/SK 明文存储于 ~/.maxc/config.yaml(文件权限 0600)
  • list-tables 分页:CLI 侧 offset token,非服务端游标
  • diff data:按主键快照对比,非全量 diff

开发

pip install -e .
pytest tests/ -m unit    # 142 个单元测试

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