S3 MCP Server

Item: S3 MCP Server
Rating: 66
Author: M8ven

This server enables interaction with Amazon S3 buckets for listing and retrieving objects, with efficient streaming for large files like PDFs, through the Model Context Protocol.

→ Geun-Oh/s3-mcp-server · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: AWS_SECRET_ACCESS_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.7.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.7.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configAWS_ACCESS_KEY_ID— export ="your_access_key"

configAWS_REGION— export ="ap-northeast-2"

🔐 secretAWS_SECRET_ACCESS_KEY— export ="your_secret_key"

configCONTENT_TYPE— export ="application/octet-stream" # Optional: default MIME type for uploads/downloads

configPORT

configS3_BUCKET_NAME— export ="my-bucket-name"

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/geun-oh-s3-mcp-server-1uvp0k)](https://m8ven.ai/mcp/geun-oh-s3-mcp-server-1uvp0k)

commit: 65feb6172e034509398eb290d5b57819a8226430

code hash: fe3817cd975ffdfe69e85daa7a673be6b22988e2b7488797c33cd87e0d7e85c8

verified: 6/18/2026, 11:36:44 AM

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