| name | s3-management |
| description | Manage AWS S3 buckets and objects via MCP. Use when asked to browse, upload, download, or share S3 files. |
AWS S3 Management via MCP
Use this skill when you need to manage S3 buckets, browse objects, upload/download files, or generate presigned URLs.
Available Tools
| Tool | What it does |
|---|
list_buckets | List all S3 buckets in the 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 |
Workflow
- Start with
list_buckets to discover available buckets
- Use
list_objects with a prefix to browse directories within a bucket
get_object reads text content — for binary files, use presigned_url insteadpresigned_url generates a temporary shareable link (default 1 hour expiry)
Key Patterns
list_objects uses prefix-based filtering (S3 doesn't have real directories): prefix: "uploads/2026/"get_object returns text content only — it won't work for images, binaries, or large filesput_object takes string content — use it for config files, JSON, text, not binary uploadspresigned_url is the right tool for sharing files or accessing binary content
Safety
- Always confirm before
delete_object — S3 deletions are permanent (unless versioning is enabled)
- Always confirm before
put_object to an existing key — it overwrites without warning
- Presigned URLs grant temporary access to anyone with the link — warn users about this
