s3-mcp

MCP server for AWS S3 and compatible object stores, enabling LLM clients to browse buckets and fetch objects.

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Glama

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// key findings

✅

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 4 credentials: S3_SECRET_ACCESS_KEY, AWS_SECRET_ACCESS_KEY, S3_SESSION_TOKEN, AWS_SESSION_TOKEN

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

// 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— , S3_SECRET_ACCESS_KEY, S3_SESSION_TOKEN

configAWS_ACCESS_KEY_ID

🔐 secretS3_SECRET_ACCESS_KEY— S3_ACCESS_KEY_ID, , S3_SESSION_TOKEN

🔐 secretAWS_SECRET_ACCESS_KEY

🔐 secretS3_SESSION_TOKEN— S3_ACCESS_KEY_ID, S3_SECRET_ACCESS_KEY,

🔐 secretAWS_SESSION_TOKEN

configS3_BUCKETS— my-bucket-a,my-bucket-b

configS3_CONFIG_FILE— 2. + S3_CONFIG_PROFILE

configS3_CONFIG_PROFILE— 2. S3_CONFIG_FILE +

// 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 3 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/epyklab-s3-mcp-1okq2b)](https://m8ven.ai/mcp/epyklab-s3-mcp-1okq2b)

commit: a28271b0950012bb588492a85bec0f325d05932a

code hash: d98f15937ab7187969b5ca55a72ab1c8b4e2d1068d8e97de06fa1433dfb7dc31

verified: 6/22/2026, 12:14:28 PM

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