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S3 MCP Server

@samuraikun

代码仓库

关于 S3 MCP Server

MCP server to integrate AWS S3 and LLM

#aws#typescript#mcp#aws-s3#mcp-servers#modelcontextprotocol

基本信息

分类

文件与存储

许可证

MIT

运行时

node

传输方式

stdio

发布者

samuraikun

提交者

Yuichi Kojima

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "aws-s3-mcp": {
      "command": "npx",
      "args": [
        "aws-s3-mcp"
      ]
    }
  }
}

工具

未检测到工具

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is S3 MCP Server?

An Amazon S3 Model Context Protocol (MCP) server that provides tools for LLMs like Claude to interact with S3 buckets and objects. It supports listing buckets, listing objects, and retrieving object contents.

How to use S3 MCP Server?

Install via npm (npm install -g aws-s3-mcp), configure AWS credentials and environment variables such as AWS_REGION, S3_BUCKETS, and S3_MAX_BUCKETS, then run with HTTP transport (default) or STDIO transport. For Claude Desktop, run the server with the --stdio flag and add it to the Claude Desktop configuration.

Key features of S3 MCP Server

  • Supports STDIO, HTTP, and Streamable HTTP transports
  • Tools: list-buckets, list-objects, get-object
  • Deployment: local Node.js, Docker CLI, Docker Compose (with MinIO)
  • Built-in MCP Inspector for debugging and testing
  • Configurable allowed buckets and region

Use cases of S3 MCP Server

  • Allow Claude or other LLMs to browse S3 buckets and retrieve objects
  • Integrate S3 access directly into Claude Desktop workflows
  • Test S3 interactions locally using MinIO with Docker Compose
  • Debug MCP server behavior with the built-in inspector tool

FAQ from S3 MCP Server

What transports does the server support?

The server supports STDIO, HTTP, and Streamable HTTP transports. HTTP is the default transport; STDIO is required for Claude Desktop integration.

How do I configure AWS credentials?

Set environment variables AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and AWS_REGION, or rely on the default AWS credentials file. A .env file can also be used.

What are the prerequisites?

Node.js 18 or higher, npm, and AWS credentials. Docker is optional for containerized setups.

How can I test the server locally without real AWS credentials?

Use Docker Compose with MinIO: run ./run-inspector.sh --docker-compose to start a MinIO instance with sample buckets and objects.

What is the maximum number of buckets listed by default?

The server returns up to 5 buckets by default, configurable via the S3_MAX_BUCKETS environment variable.

评论

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