Is Aws S3 Mcp safe to use?

Aws S3 Mcp has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install Aws S3 Mcp?

Aws S3 Mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can Aws S3 Mcp do?

Aws S3 Mcp provides 3 tools: list-buckets, list-objects, get-object. See the full tools list on the server page for descriptions and parameters.

What AI clients work with Aws S3 Mcp?

Aws S3 Mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Aws S3 Mcp actively maintained?

Aws S3 Mcp is less actively maintained — last commit was 104 days ago. It has 24 GitHub stars.

Aws S3 Mcp

Name: Aws S3 Mcp
Author: samuraikun

aws-s3-mcp · by samuraikun

MCP server to integrate AWS S3 and LLM

24 122/wk 3 tools GitHub npm

No known CVEs

MIT license

Maintained

Last commit 104d ago

Works with most clients

Transport: stdio, sse, http

3 tools · ~128 tok

Grade A · 0.1% of 200K ctx

Edit this pageView history

Cloud

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "s3": {
      "env": {
        "AWS_REGION": "us-east-1",
        "S3_BUCKETS": "bucket1,bucket2,bucket3",
        "S3_MAX_BUCKETS": "5",
        "AWS_ACCESS_KEY_ID": "your-access-key",
        "AWS_SECRET_ACCESS_KEY": "your-secret-key"
      },
      "args": [
        "aws-s3-mcp",
        "--stdio"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/aws-s3-mcp)](https://mcppedia.org/s/aws-s3-mcp)

Read me

What Aws S3 Mcp does

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

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'aws-s3-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

82/100across 5 weighted dimensions

How we score →

0255075100

−18

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked aws-s3-mcp against OSV.dev.

Inventory

Tools (3)

Click any tool to inspect its schema.

~128 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Aws S3 Mcp safe to use?: Aws S3 Mcp has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install Aws S3 Mcp?: Aws S3 Mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Aws S3 Mcp do?: Aws S3 Mcp provides 3 tools: list-buckets, list-objects, get-object. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Aws S3 Mcp?: Aws S3 Mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Aws S3 Mcp actively maintained?: Aws S3 Mcp is less actively maintained — last commit was 104 days ago. It has 24 GitHub stars.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

Cloud

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "s3": {
      "env": {
        "AWS_REGION": "us-east-1",
        "S3_BUCKETS": "bucket1,bucket2,bucket3",
        "S3_MAX_BUCKETS": "5",
        "AWS_ACCESS_KEY_ID": "your-access-key",
        "AWS_SECRET_ACCESS_KEY": "your-secret-key"
      },
      "args": [
        "aws-s3-mcp",
        "--stdio"
      ],
      "command": "npx"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/aws-s3-mcp)](https://mcppedia.org/s/aws-s3-mcp)

Read me

What Aws S3 Mcp does

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

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'aws-s3-mcp' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

README

S3 MCP Server

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

https://github.com/user-attachments/assets/d05ff0f1-e2bf-43b9-8d0c-82605abfb666

Features

🚀 MCP Transport Support

✅ 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

🛠️ Available Tools

✅ list-buckets - List accessible S3 buckets with filtering
✅ list-objects - Browse objects within buckets with prefix filtering
✅ get-object - Retrieve object contents (text/binary support)

🐳 Deployment Options

✅ 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

Overview

This MCP server allows Large Language Models (LLMs) like Claude to interact with AWS S3 storage. It provides tools for:

Listing available S3 buckets
Listing objects within a bucket
Retrieving object contents

The server is built using TypeScript and the MCP SDK, providing a secure and standardized way for LLMs to interface with S3.

Installation

Prerequisites

Node.js 18 or higher
npm or yarn
AWS credentials configured (either through environment variables or AWS credentials file)
Docker (optional, for containerized setup)

Setup

Install via npm:

# Install globally via npm
npm install -g aws-s3-mcp

# Or as a dependency in your project
npm install aws-s3-mcp

If building from source:

# Clone the repository
git clone https://github.com/samuraikun/aws-s3-mcp.git
cd aws-s3-mcp

# Install dependencies and build
npm install
npm run build

Configure AWS credentials and S3 access:

Create a .env file with your AWS configuration:

AWS_REGION=us-east-1
S3_BUCKETS=bucket1,bucket2,bucket3
S3_MAX_BUCKETS=5
AWS_ACCESS_KEY_ID=your-access-key
AWS_SECRET_ACCESS_KEY=your-secret-key

Or set these as environment variables.

Configuration

The server can be configured using the following environment variables:

Variable	Description	Default
`AWS_REGION`	AWS region where your S3 buckets are located	`us-east-1`
`S3_BUCKETS`	Comma-separated list of allowed S3 bucket names	(empty)
`S3_MAX_BUCKETS`	Maximum number of buckets to return in listing	`5`
`AWS_ACCESS_KEY_ID`	AWS access key (if not using default credentials)	(from AWS config)
`AWS_SECRET_ACCESS_KEY`	AWS secret key (if not using default credentials)	(from AWS config)

Running the Server

Direct Node.js Execut

... View full README on GitHub

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

82/100across 5 weighted dimensions

How we score →

0255075100

−18

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked aws-s3-mcp against OSV.dev.

Inventory

Tools (3)

Click any tool to inspect its schema.

~128 tokens total

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Aws S3 Mcp safe to use?: Aws S3 Mcp has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install Aws S3 Mcp?: Aws S3 Mcp supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can Aws S3 Mcp do?: Aws S3 Mcp provides 3 tools: list-buckets, list-objects, get-object. See the full tools list on the server page for descriptions and parameters.
What AI clients work with Aws S3 Mcp?: Aws S3 Mcp is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Aws S3 Mcp actively maintained?: Aws S3 Mcp is less actively maintained — last commit was 104 days ago. It has 24 GitHub stars.