AWS S3 MCP Server

Example Use Cases

• 1

  List objects in an S3 bucket and optionally filter by key prefix to discover available files.

• 2

  Generate pre-signed URLs to securely download objects without managing long-lived AWS credentials.

• 3

  Generate pre-signed upload URLs or delete objects in S3 as part of automated data workflows.

Description

This MCP server exposes common AWS S3 operations (list, get, put, delete) and generates pre-signed URLs so agents can securely upload or download objects without direct AWS credentials. It is built with Node.js/TypeScript using the AWS SDK and integrates easily with tools like Claude Desktop or via npx/docker. Configuration is via environment variables (BUCKET_NAME, REGION, AWS credentials) allowing it to be run in containers or CI. The server simplifies agent access to S3 while keeping credentials and permissions managed on the server side.