AWS S3 MCP Server

Manage AWS S3 operations, providing secure access to S3 buckets through pre-signed URLs.

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

- List objects in an S3 bucket
- Input:

- prefix(string, optional): Prefix filter for object keys

- 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)

- 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)

- Delete an object from the bucket
- Input:

- key(string, required): Object key to delete

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).

Add the following to yourclaude_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>" } } } }

{ "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>" } } } }

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

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

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.

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