Manage AWS S3 buckets and objects from your AI assistant. Browse files, upload and download content, and generate presigned URLs.
Mcp Server S3 is an MCP project maintained in the ofershap/mcp-server-s3 repository. The maintainer describes its purpose as “Manage AWS S3 buckets and objects from your AI assistant. Browse files, upload and download content, and generate presigned URLs”. Read the project documentation for the complete scope.
The documented npm package is mcp-server-s3. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares AWS_REGION, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
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 | List all S3 buckets in your AWS account. |
| list_objects | List objects in a bucket, with optional prefix filter. |
| get_object | Download and read an object's content as text. |
| put_object | Upload text content to an S3 object. |
| delete_object | Delete an object from a bucket. |
| presigned_url | Generate a temporary presigned URL for an object. |
| bucket_info | Check if a bucket exists and get basic info. |
{
"mcpServers": {
"s3": {
"command": "npx",
"args": [
"mcp-server-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"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| 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 |
Stop letting your assistant hallucinate n8n node parameters — this server hands it the real schemas, templates and validation.
AWS Labs' official server suite — current AWS docs, CDK guidance, cost analysis and service tools.
Cloud browsers for AI agents — automation sessions that run in Browserbase's fleet, not on your machine.
Workers, KV, R2 and D1 by conversation — Cloudflare's official remote servers for building and observability.
Dashboards, Prometheus and Loki queries, incidents and alerts — observability by conversation.
kubectl with a conversational interface — inspect pods, read logs, diagnose clusters and manage workloads.