MCP Servers

backblaze-labs/b2-mcp

MCP server for Backblaze B2 Cloud Storage: a focused, safe 40-tool surface (17 native B2 SDK, 19 S3 data-plane, 4 analytics) for any MCP-compatible AI client, currently incubating

Our verdict

Not reviewed yet

We have not reviewed backblaze-labs/b2-mcp yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About backblaze-labs/b2-mcp

MCP server for Backblaze B2 Cloud Storage. Exposes a focused 40-tool surface (17 native B2 SDK, 19 S3 data-plane, 4 analytics) to any MCP-compatible AI client. Written in TypeScript and currently incubating in Backblaze-Labs.

Best for

Developers building AI assistants that need direct B2 storage access

Use cases

Let an AI assistant create and manage B2 buckets and files
Run S3-compatible storage operations through MCP clients
Query B2 storage analytics from chat interfaces

Notes

9 stars on GitHub. Last updated 2026-09-08. Licensed MIT.

Pros

Small, focused tool surface reduces risk of unintended actions
Covers both native B2 and S3 APIs in one server
Works with any MCP-compatible client

Cons

Early-stage project with limited community adoption (9 stars)
Requires an MCP-compatible client to be useful
Only handles B2 storage, not other Backblaze services

Key facts

What we have checked

Days since the last commit: 0; Checked 26 Oct 2026GitHub
GitHub forks: 7; Checked 26 Oct 2026GitHub
GitHub stars: 45; Checked 26 Oct 2026GitHub
Days to a first reply on issues: 19.6; Checked 26 Oct 2026GitHub
Open issues: 34; Checked 26 Oct 2026GitHub
Releases in the last 90 days: 6; Checked 26 Oct 2026GitHub

Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

npx -y @backblaze-labs/b2-mcp

Clients the listing names (not checked here)

Claude Desktop, Cursor, VS Code, Cline, Windsurf, Zed, Continue, Goose

Example client config

{
  "mcpServers": {
    "backblaze-b2": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "your-application-key-id",
        "B2_APPLICATION_KEY": "your-application-key-secret"
      }
    }
  }
}

Install

Add backblaze-labs/b2-mcp to your client

Not verified yet

Our lab has not run this server yet. "Config checked" on a client means the recipe matches that client's documented config format; it does not mean we ran it.

Claude Code

Config checked

Run in your terminal (runs on your computer)

claude mcp add --env B2_APPLICATION_KEY_ID=YOUR_B2_APPLICATION_KEY_ID --env B2_APPLICATION_KEY=YOUR_B2_APPLICATION_KEY --transport stdio backblaze-labs-b2-mcp -- npx -y @backblaze-labs/b2-mcp@0.2.2

Needs B2_APPLICATION_KEY_ID and B2_APPLICATION_KEY: replace each YOUR_ value with your own.

Version 0.2.2 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Claude Code's config docs

Claude Desktop

Config checked

Add to claude_desktop_config.json (runs on your computer)

{
  "mcpServers": {
    "backblaze-labs-b2-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp@0.2.2"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "YOUR_B2_APPLICATION_KEY_ID",
        "B2_APPLICATION_KEY": "YOUR_B2_APPLICATION_KEY"
      }
    }
  }
}

Needs B2_APPLICATION_KEY_ID and B2_APPLICATION_KEY: replace each YOUR_ value with your own.

Version 0.2.2 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Claude Desktop's config docs

Cursor

Config checked

Add to .cursor/mcp.json (runs on your computer)

{
  "mcpServers": {
    "backblaze-labs-b2-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp@0.2.2"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "YOUR_B2_APPLICATION_KEY_ID",
        "B2_APPLICATION_KEY": "YOUR_B2_APPLICATION_KEY"
      }
    }
  }
}

Needs B2_APPLICATION_KEY_ID and B2_APPLICATION_KEY: replace each YOUR_ value with your own.

Version 0.2.2 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Cursor's config docs

VS Code

Config checked

Add to .vscode/mcp.json (runs on your computer)

{
  "inputs": [
    {
      "type": "promptString",
      "id": "b2-application-key-id",
      "description": "Backblaze B2 application key ID for native B2 and S3-compatible tools.",
      "password": true
    },
    {
      "type": "promptString",
      "id": "b2-application-key",
      "description": "Backblaze B2 application key secret.",
      "password": true
    }
  ],
  "servers": {
    "backblaze-labs-b2-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp@0.2.2"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "${input:b2-application-key-id}",
        "B2_APPLICATION_KEY": "${input:b2-application-key}"
      }
    }
  }
}

Needs B2_APPLICATION_KEY_ID and B2_APPLICATION_KEY: replace each YOUR_ value with your own.

Version 0.2.2 · From the Official MCP registry, read 24 Oct 2026 · Format checked against VS Code's config docs

Codex

Config checked

Add to ~/.codex/config.toml (runs on your computer)

[mcp_servers.backblaze-labs-b2-mcp]
command = "npx"
args = ["-y", "@backblaze-labs/b2-mcp@0.2.2"]
env_vars = ["B2_APPLICATION_KEY_ID", "B2_APPLICATION_KEY"]

Needs B2_APPLICATION_KEY_ID and B2_APPLICATION_KEY: replace each YOUR_ value with your own.

Version 0.2.2 · From the Official MCP registry, read 24 Oct 2026 · Format checked against Codex's config docs

ChatGPT: ChatGPT connects only to remote servers that need no API key.

Recipes come from the server's entry in the official MCP registry. Check the package name before you run it, and keep keys out of shared files.

Works with

What backblaze-labs/b2-mcp connects to

5 clients, each with how we know and when we checked.

Works with	Type	How we know	Checked
Claude Code	Client	Install recipe matches the client's documented formatRuns locally, version 0.2.2Config checked	24 Oct 2026Claude Code docs
Claude Desktop	Client	Install recipe matches the client's documented formatRuns locally, version 0.2.2Config checked	24 Oct 2026Claude Desktop docs
Cursor	Client	Install recipe matches the client's documented formatRuns locally, version 0.2.2Config checked	24 Oct 2026Cursor docs
VS Code	Client	Install recipe matches the client's documented formatRuns locally, version 0.2.2Config checked	24 Oct 2026VS Code docs
Codex	Client	Install recipe matches the client's documented formatRuns locally, version 0.2.2Config checked	24 Oct 2026Codex docs

Health and security

Is backblaze-labs/b2-mcp looked after, and what do its setup files show

Health score

68 out of 100

Does someone look after this repository? It does not say the code is good or safe. Worked out from GitHub signals checked 26 Oct 2026. How it is worked out

Part	Points	What we saw
Recent activity	30 of 30	Last push 0 days ago
Releases	15 of 15	6 releases in 90 days
Issue replies	7.7 of 20	First reply in 19.6 days (median)
Maintainer	15 of 15	Owned by an organisation
Official source	0 of 20	Community server

Sources

Where this comes from

GitHubRegistry
Checked 26 Oct 2026 · Days since the last commit, GitHub forks, GitHub stars, Days to a first reply on issues, Open issues, Releases in the last 90 days

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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