Backblaze B2 MCP Server

Item: Backblaze B2 MCP Server
Rating: 58
Author: M8ven

Enables seamless integration with Backblaze B2 cloud storage for managing buckets, uploading/downloading files, handling large multipart uploads, and managing application keys through natural language interactions.

→ BraveRam/backblaze-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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: B2_APPLICATION_KEY

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

// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.23.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.23.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.23.0GHSA-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.

🔐 secretB2_APPLICATION_KEY— "": "your_application_key_here"

configB2_APPLICATION_KEY_ID— "": "your_key_id_here",

// 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/braveram-backblaze-mcp-1aibs6)](https://m8ven.ai/mcp/braveram-backblaze-mcp-1aibs6)

commit: 44ea7f4e972b7ae532ac35ab019e14df2a07a992

code hash: 1c458e3285b5d6e703dbd39254c83be627913f25baea30f4ba28223fcbe25624

verified: 6/18/2026, 11:32:08 AM

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