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AWS S3 MCP logo

AWS S3 MCP

samuraikun/aws-s3-mcp

An Amazon S3 Model Context Protocol (MCP) server that provides tools for interacting with S3 buckets and objects.

View on GitHub6

Install

npx aws-s3-mcp --stdio

Client configuration

{
  "mcpServers": {
    "s3": {
      "command": "npx",
      "args": [
        "aws-s3-mcp",
        "--stdio"
      ],
      "env": {
        "AWS_REGION": "<AWS_REGION>",
        "S3_BUCKETS": "<S3_BUCKETS>",
        "S3_MAX_BUCKETS": "<S3_MAX_BUCKETS>",
        "AWS_ACCESS_KEY_ID": "<AWS_ACCESS_KEY_ID>",
        "AWS_SECRET_ACCESS_KEY": "<AWS_SECRET_ACCESS_KEY>"
      }
    }
  }
}

Environment variables

AWS_REGIONS3_BUCKETSS3_MAX_BUCKETSAWS_ACCESS_KEY_IDAWS_SECRET_ACCESS_KEY
GitHub stars
6
Author
@samuraikun
Category
Cloud Storage, Developer Tools
License
MIT
Updated
Oct 6, 2026

Features

  • STDIO Transport - Direct process communication for Claude Desktop

  • HTTP Transport - REST API with Server-Sent Events for web clients

  • Streamable HTTP - Real-time streaming for responsive interactions

  • Local Node.js - Direct execution with npm/node

  • Docker CLI - Containerized deployment with custom configuration

  • Docker Compose - Full stack with MinIO for local testing

  • MCP Inspector - Built-in debugging and testing interface

Tools (3)

  • list-objects

    Browse objects within buckets with prefix filtering

  • get-object

    Retrieve object contents (text/binary support)

  • list-buckets

    Lists available S3 buckets that the server has permission to access.

Details on this page are taken from the project's README. Open README

Supported clients

Clients mentioned in this server's README:

View all
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Claude Desktop

Desktop · Freemium · Proprietary

Anthropic's official Claude AI desktop application. Supports MCP servers to extend functionality.

WindowsMacOS

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