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PostgreSQL MCP Server

by KannaKim

PostgreSQL MCP 服务器

一个通用的 PostgreSQL 模型上下文协议 (MCP) 服务器,允许 AI 智能体安全地检查和查询 PostgreSQL 数据库。

功能

  • list_tables: 列出 public 架构中的所有表。

  • get_schema: 获取特定表的架构(列、类型、可空性)。

  • run_query: 运行只读 SQL 查询(仅允许 SELECT/WITH),最大限制为 100 行,以避免过大的响应。

Related MCP server: PostgreSQL MCP Server

先决条件

  • Python 3.13+

  • uv

  • PostgreSQL 数据库

安装

如果您克隆了存储库,可以直接使用 uvxuv run 运行此程序。

使用方法

此服务器需要设置 DATABASE_URL 环境变量。

连接字符串示例: postgres://user:password@localhost:5432/mydatabase

直接运行

DATABASE_URL="postgresql://postgres:poggerpogger@localhost:5432/boxboxWeb" uv run main.py

在 Claude Desktop / MCP 客户端中使用

将以下内容添加到您的 MCP 客户端配置中(例如 Claude Desktop 的 claude_desktop_config.json):

{
  "mcpServers": {
    "postgres": {
      "command": "uv",
      "args": [
        "run",
        "/path/to/2025postgresqlmcp/main.py"
      ],
      "env": {
        "DATABASE_URL": "postgres://user:password@localhost:5432/mydatabase"
      }
    }
  }
}
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