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Upload files to AWS S3 buckets with automatic MIME type detection.
This tool appears to upload files to AWS S3, which is a typical MCP pattern involving local file access and outbound transfer to a cloud service. The available material is sparse; although it is open source and auditable, missing documentation, no declared license, and unknown maintenance make it a caution-level tool overall rather than high risk.
The material declares no keys/environment variables, but uploading to AWS S3 normally requires some AWS credential or a presigned access mechanism. The current documentation does not explain credential source, scope, or storage, which leaves credential handling unclear, but there is no explicit sign of credential abuse.
Although the declared remote endpoint is 'none', the description explicitly says it uploads files to AWS S3, so outbound network transfer does occur and user file content is sent to the target S3 bucket. The material does not specify the AWS region, bucket, or endpoint, reducing transparency.
The objective checks mark this tool as executes-code, meaning it runs a local service process/code. That is a normal capability for MCP tools; the material does not show obviously excessive system privileges beyond what an uploader would typically need.
To perform uploads, the tool at minimum needs read access to local files selected for upload, and automatic MIME detection may inspect file content or metadata. The material does not state directory scope, whether bulk traversal is supported, or whether upload records are retained, so its visible file scope should be constrained.
A positive factor is that public GitHub source code exists and can be audited. However, the source is only a third-party registry entry, the repository has 0 stars, no declared license, unknown maintenance status, and no README, indicating weak supply-chain maturity; manual review of the source and dependencies is advisable.
Copy the install command and let the AI configure it · recommended for beginners
No copy-paste install info for "S3 Uploader MCP Server" yet — see the docs or source repo.
Upload index.html, app.js, and styles.css from the dist folder to the target AWS S3 bucket and preserve the correct MIME types.
Returns upload results including each file's object path, upload status, and detected MIME type.
Bulk upload PNG and JPG files from assets/images to the marketing/2025/ path in S3 with automatic file type detection.
Outputs a batch upload summary listing successful and failed files with their content types.
Upload the latest exported report.csv and backup.json to the exports/ folder in the S3 bucket and ensure proper MIME types are set.
Returns upload confirmations with target locations, success status, and assigned MIME types.
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