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MCP server · Cloud

AWS Ow S3 MCP

by · github.com/OpenWorkspace-o1/aws-ow-s3-mcp

OpenWorkspace-o1 S3 Model Context Protocol Server.

Unclaimed last commit a year ago cloud
InstallView source
41Fair

Scored 5 months ago · breakdown

About AWS Ow S3 MCP

AWS Ow S3 MCP is an MCP server published by OpenWorkspace-o1 in the Cloud category: openWorkspace-o1 S3 Model Context Protocol Server.

The repository has 2 stars and 2 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/OpenWorkspace-o1/aws-ow-s3-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository yesterday. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • !License declaredNo license file. Legally you have no right to use it in a product.
  • !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
  • !Dependencies pinnedNo lockfile. Installs can pull different code over time.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

AWS S3 MCP Server

MCP Server for AWS S3 operations, providing secure access to S3 buckets through pre-signed URLs.

Tools

  1. list_objects

    • List objects in an S3 bucket
    • Input:
      • prefix (string, optional): Prefix filter for object keys
    • Returns: Array of objects with keys, sizes, and last modified dates

  2. get_object

    • Generate a pre-signed URL for accessing an object
    • Inputs:
      • key (string, required): Object key to retrieve
      • expiry (number, optional): URL expiration time in seconds (default: 3600)
    • Returns: object_url containing the pre-signed URL

  3. put_object

    • Generate a pre-signed URL for uploading an object
    • Inputs:
      • key (string, required): Object key to upload
      • expiry (number, optional): URL expiration time in seconds (default: 3600)
    • Returns: upload_url containing the pre-signed URL

  4. delete_object

    • Delete an object from the bucket
    • Input:
      • key (string, required): Object key to delete
    • Returns: success boolean indicating deletion status

Setup

Environment Variables

The server requires the following environment variables:

  • BUCKET_NAME: The name of your S3 bucket (required)
  • REGION: AWS region (default: "ap-southeast-1")

AWS credentials should be configured using standard AWS credential configuration methods (environment variables, IAM roles, or AWS credentials file).

Usage with Claude Desktop

Add the following to your claude_desktop_config.json:

{
  "mcpServers": {
    "aws-ow-s3-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "BUCKET_NAME",
        "-e",
        "REGION",
        "-e",
        "AWS_ACCESS_KEY_ID",
        "-e",
        "AWS_SECRET_ACCESS_KEY",
        "mcp/aws-ow-s3-mcp"
      ],
      "env": {
        "BUCKET_NAME": "<YOUR_BUCKET_NAME>",
        "REGION": "<AWS_REGION>",
        "AWS_ACCESS_KEY_ID": "<YOUR_ACCESS_KEY>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_SECRET_KEY>"
      }
    }
  }
}

NPX Command

{
  "mcpServers": {
    "aws-ow-s3-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-aws-ow-s3-mcp"
      ],
      "env": {
        "BUCKET_NAME": "<YOUR_BUCKET_NAME>",
        "REGION": "<AWS_REGION>",
        "AWS_ACCESS_KEY_ID": "<YOUR_ACCESS_KEY>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_SECRET_KEY>"
      }
    }
  }
}

Build

Docker build:

docker build -t mcp/aws-ow-s3-mcp-server .

Development

The server is built using:

  • Node.js
  • TypeScript
  • @modelcontextprotocol/sdk
  • @aws-sdk/client-s3
  • @aws-sdk/s3-request-presigner

License

This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.

README fetched from the repository yesterday. The original is authoritative.

Questions

About AWS Ow S3 MCP

How do I install AWS Ow S3 MCP?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is AWS Ow S3 MCP safe to use with an AI agent?

Its trust score is 41 out of 100 (fair). It passes 2 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is AWS Ow S3 MCP still maintained?

The last commit was a year ago and 1 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.