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.describe、job.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
query 和 job 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"
}
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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