AWS S3 MCP Server

Enables browsing S3 buckets and objects, and generating secure presigned URLs for downloads and uploads, through natural language commands in MCP clients like Claude Desktop.

→ khuynh22/aws-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@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-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.

configALLOW_WRITE— Presigned PUT URLs: Generate secure, temporary URLs for uploading objects (optional, requires flag)

configAWS_ACCESS_KEY_ID— Edit .env with your , AWS_SECRET_ACCESS_KEY, AWS_REGION

configAWS_REGION— Edit .env with your AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY,

🔐 secretAWS_SECRET_ACCESS_KEY— Edit .env with your AWS_ACCESS_KEY_ID, , AWS_REGION

configLOG_LEVEL

// 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 2 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/khuynh22-aws-s3-mcp-server-171jis)](https://m8ven.ai/mcp/khuynh22-aws-s3-mcp-server-171jis)

commit: d36c055096328392bcff5b90a37964bc9cb0c9f8

code hash: 3f096f9de8d751473e8fb6e2432eb1575895b1b66efa89b6501a570f247c059e

verified: 6/15/2026, 1:45:13 PM

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