minio_mcp

minio_mcp

A FastMCP-based server that enables uploading text and base64-encoded content to MinIO object storage through an HTTP transport. It supports automated bucket management and secure file path generation to streamline remote storage operations.

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README

FastMCP + MinIO 上传服务(STDIO)

这是一个基于 FastMCP 的 MCP 服务,使用 STDIO 方式对外提供工具,并把内容上传到 MinIO。

1. 安装依赖

pip install -r requirements.txt

2. 配置环境变量

复制 .env.example 并按实际环境修改:

# Windows (cmd)
copy .env.example .env

主要配置项:

  • MINIO_ENDPOINT:例如 127.0.0.1:9000
  • MINIO_ACCESS_KEY
  • MINIO_SECRET_KEY
  • MINIO_SECUREtrue/false
  • MINIO_DEFAULT_BUCKET:默认 bucket
  • MINIO_AUTO_CREATE_BUCKET:bucket 不存在时是否自动创建
  • MINIO_OBJECT_PREFIX:对象路径前缀(默认 uploads
  • MCP_HOST:默认 0.0.0.0
  • MCP_PORT:默认 8000

3. 本地启动(调试)

python server.py

服务将以 FastMCP STDIO transport 启动。

4. 打包与安装(给其他服务器)

本项目已提供 Python 打包文件 pyproject.toml,并暴露命令入口:minio-mcp

4.1 从 GitHub 安装(推荐)

注意:必须使用 git+ 前缀,否则会出现 cannot detect archive format

pip install "git+https://github.com/ClearMind1/minio_mcp.git"

指定分支或标签:

pip install "git+https://github.com/ClearMind1/minio_mcp.git@main"
# 或
pip install "git+https://github.com/ClearMind1/minio_mcp.git@v0.1.0"

4.2 全局工具化安装(可选)

pipx install "git+https://github.com/ClearMind1/minio_mcp.git"
# 或
uv tool install "git+https://github.com/ClearMind1/minio_mcp.git"

安装后验证命令:

# Windows
where minio-mcp

# Linux / macOS
which minio-mcp

5. 可用工具

upload_base64_to_minio

上传 base64 编码内容到 MinIO。

参数:

  • file_name
  • content_base64
  • bucket(可选)
  • object_name(可选,传入则覆盖自动生成策略)
  • content_type(可选,默认 application/octet-stream

upload_file_to_minio

上传本地文件到 MinIO。

参数:

  • file_path:本地文件路径(必填)
  • file_name(可选,默认取 file_path 的文件名)
  • bucket(可选)
  • object_name(可选,传入则覆盖自动生成策略)
  • content_type(可选,默认自动按文件名猜测,失败则 application/octet-stream

默认对象路径策略(防重名)

未传 object_name 时,服务自动生成对象路径:

{MINIO_OBJECT_PREFIX}/YYYY/MM/DD/{uuid}_{safe_filename}

示例:

uploads/2026/02/10/6c0ecb7d3e4f4d24a7f6f512a8d57f4f_hello.txt

6. AstrBot 下载使用

使用webui上的pip下载,库名填写 git+https://github.com/ClearMind1/minio_mcp.git

PyPI仓库的链接填写 https://pypi.org/simple

7. MCP 客户端配置示例(stdio)

{
  "mcpServers": {
    "minio": {
      "type": "stdio",
      "command": "minio-mcp",
      "args": [],
      "env": {
        "MINIO_ENDPOINT": "127.0.0.1:9000",
        "MINIO_ACCESS_KEY": "your-access-key",
        "MINIO_SECRET_KEY": "your-secret-key",
        "MINIO_SECURE": "false",
        "MINIO_REGION": "us-east-1",
        "MINIO_DEFAULT_BUCKET": "your-bucket"
      },
      "disabled": false,
      "alwaysAllow": []
    }
  }
}

如果不使用全局命令,也可以直接用 Python 启动:

{
  "mcpServers": {
    "minio": {
      "type": "stdio",
      "command": "python",
      "args": ["server.py"],
      "cwd": "d:/code/MCP/minio_mcp",
      "disabled": false,
      "alwaysAllow": []
    }
  }
}

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