How do I install the aws s3 mcp server?

Use a recorded configuration for your client, replace example credential values and paths, and verify the documented runtime. Restart or reconnect the client, then inspect the available tools.

What credentials does it need?

It reads `AWS_REGION`, `AWS_ACCESS_KEY_ID`, `AWS_SECRET_ACCESS_KEY` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

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Aws S3 MCP Server

Model Context Protocol server for AWS S3 operations

Local serverstdioTypeScript

What is the Aws S3 MCP Server?

Model Context Protocol server for AWS S3 operations

What the server does

A Model Context Protocol (MCP) server that gives AI assistants (Claude, Cursor, etc.) direct access to AWS S3 — enabling them to list, upload, download, and manage S3 buckets and objects through natural language.

Credentials and setup notes

Node.js 18+ - AWS account with S3 access - AWS credentials (Access Key ID + Secret, or IAM role) - An MCP-compatible client (Claude Desktop, Cursor, etc.) ---

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

Tool	What it does
list_buckets
create_bucket
delete_bucket	Delete an empty S3 bucket
list_objects
upload_object
download_object
delete_object
get_bucket_policy	Get the policy attached to a bucket
set_bucket_policy	Set or update a bucket policy
bucketName	string
region	string
prefix	string
maxKeys	number
continuationToken	string
key	string
filePath	string
content	string
contentType	string
outputPath	string
returnContent	boolean
policy	string/object

How to install the Aws S3 MCP Server

{
  "mcpServers": {
    "aws-s3": {
      "command": "npx",
      "args": [
        "@gangadharrr/aws-s3"
      ],
      "env": {
        "AWS_REGION": "us-east-1",
        "AWS_ACCESS_KEY_ID": "YOUR_AWS_ACCESS_KEY_ID",
        "AWS_SECRET_ACCESS_KEY": "YOUR_AWS_SECRET_ACCESS_KEY"
      },
      "autoApprove": [
        "list_buckets",
        "list_objects",
        "get_bucket_policy"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

Node.js 18+ - AWS account with S3 access - AWS credentials (Access Key ID + Secret, or IAM role) - An MCP-compatible client (Claude Desktop, Cursor, etc.) ---

Variable	Description	Required
AWS_REGION	Declared in the maintainer’s client configuration.	Check documentation
AWS_ACCESS_KEY_ID	Declared in the maintainer’s client configuration.	Check documentation
AWS_SECRET_ACCESS_KEY	Declared in the maintainer’s client configuration.	Check documentation

Example prompts to try

“Use Aws S3 MCP to list buckets.”
“Use Aws S3 MCP to create bucket.”
“Use Aws S3 MCP to delete bucket.”

Frequently asked questions

Model Context Protocol server for AWS S3 operations Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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