S3 MCP Server

Enables interaction with S3-compatible storage services like AWS S3 and Cloudflare R2, supporting bucket management, object listing, reading, uploading, and deletion operations.

→ AM1010101/s3-mcp-server · listed on glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// 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.

🔐

You'll be asked for 1 credential: S3_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@1.25.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.25.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

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.

configS3_ACCESS_KEY_ID— "": "<YOUR_ACCESS_KEY_ID>",

configS3_ENDPOINT— "": "https://<YOUR_ACCOUNT_ID>.r2.cloudflarestorage.com",

configS3_REGION— "": "auto"

🔐 secretS3_SECRET_ACCESS_KEY— "": "<YOUR_SECRET_ACCESS_KEY>",

// 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 5 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/am1010101-s3-mcp-server-18qndz)](https://m8ven.ai/mcp/am1010101-s3-mcp-server-18qndz)

commit: c108655ba4124d5e84fbd5eeee6024782f035789

code hash: 37f76352746967b6a8c7fc180802065a0ca84b030388fba336d014b19091507d

verified: 6/24/2026, 10:32:32 AM

view raw JSON →