通过 Evotown Database MCP Proxy 对已注册的业务数据库执行只读 SQL 查询。当用户需要查 CRM、订单、报表等结构化数据时使用;禁止直连数据库或写入 SQL。
Scanned 9/4/2026
Install to Claude Code
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---
name: database-query
description: 通过 Evotown Database MCP Proxy 对已注册的业务数据库执行只读 SQL 查询。当用户需要查 CRM、订单、报表等结构化数据时使用;禁止直连数据库或写入 SQL。
license: MIT
compatibility: Python 3.x,需网络访问 EVOTOWN_DB_MCP_URL(默认 http://localhost:9100)
metadata:
author: evotown
version: "1.0"
---
# Database Query Skill
通过 **Evotown Database MCP Proxy** 查询企业已注册数据库。Skill **不持有**连接串;权限由 Evotown ACL + Proxy 校验。
## 前置条件
1. 管理员在 Evotown 控制台注册数据库并配置 MCP 地址
2. 当前员工 API Key 已被授权访问目标 `connection_id`
3. MCP Proxy 服务已启动(`EVOTOWN_DB_MCP_URL`,默认 `http://localhost:9100`)
## 动作
| action | 说明 |
|--------|------|
| `list_connections` | 列出当前员工可访问的数据库 |
| `list_tables` | 列出某库的表 |
| `query` | 执行只读 SELECT(Proxy 自动加 LIMIT,拒绝 INSERT/UPDATE/DELETE) |
## 示例
### 列出可访问数据库
```json
{
"action": "list_connections",
"api_key": "evk_..."
}
```
### 查表
```json
{
"action": "list_tables",
"connection_id": "crm-demo",
"api_key": "evk_..."
}
```
### 只读查询
```json
{
"action": "query",
"connection_id": "crm-demo",
"sql": "SELECT id, name, amount FROM orders WHERE status = 'paid'",
"api_key": "evk_..."
}
```
也可设置环境变量 `EVOTOWN_EMPLOYEE_API_KEY`,省略 `api_key` 字段。
## Runtime
```yaml
entry_point: scripts/main.py
language: python
network:
enabled: true
outbound:
- "*:9100"
- "*:8765"
input_schema:
type: object
properties:
action:
type: string
enum: [list_connections, list_tables, query]
default: query
connection_id:
type: string
description: Evotown 注册的 connection_id
sql:
type: string
description: 只读 SELECT / WITH / EXPLAIN 语句
api_key:
type: string
description: 员工 evk_ API Key(可改用环境变量 EVOTOWN_EMPLOYEE_API_KEY)
required: []
```
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