SERVER

Backblaze B2 MCP Server

Rank #2,216

io.github.backblaze-labs/b2-mcp

Official Backblaze B2 MCP server for buckets, files, keys, Object Lock, and S3 storage.

2 versions

36 GitHub stars

by backblaze-labs (1 servers)View repository ↗Claim this server

First listed

Aug 18, 2026

Last publish date

Sep 4, 2026

OVERVIEW

Backblaze B2 MCP Server is a Model Context Protocol (MCP) server published by backblaze-labs. It ranks #2,216 of 132,046 servers tracked on MCP Toplist, and its repository has 36 GitHub stars. Backblaze B2 MCP Server is listed across 3 registries — Official MCP, mcp.so and Glama, with 2 tracked versions. It was first listed on Aug 18, 2026 and most recently updated on Sep 4, 2026.

STANDING

#2,216of 132,046 tracked serversTop 5%

Ranks ahead of 129,830 of 132,046 servers on MCP Toplist.

CONNECT

Use Backblaze B2 MCP Server

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

npm package

claude mcp add b2-mcp -e "B2_APPLICATION_KEY_ID=<your B2_APPLICATION_KEY_ID>" -e "B2_APPLICATION_KEY=<your B2_APPLICATION_KEY>" -e "B2_REGION=<your B2_REGION>" -e "B2_MASTER_KEY_ID=<your B2_MASTER_KEY_ID>" -e "B2_MASTER_KEY=<your B2_MASTER_KEY>" -- npx -y @backblaze-labs/b2-mcp

Replace each placeholder with your own value before saving.

npm package

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

[mcp_servers.b2-mcp.env]
B2_APPLICATION_KEY_ID = "<your B2_APPLICATION_KEY_ID>"
B2_APPLICATION_KEY = "<your B2_APPLICATION_KEY>"
B2_REGION = "<your B2_REGION>"
B2_MASTER_KEY_ID = "<your B2_MASTER_KEY_ID>"
B2_MASTER_KEY = "<your B2_MASTER_KEY>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "b2-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "<your B2_APPLICATION_KEY_ID>",
        "B2_APPLICATION_KEY": "<your B2_APPLICATION_KEY>",
        "B2_REGION": "<your B2_REGION>",
        "B2_MASTER_KEY_ID": "<your B2_MASTER_KEY_ID>",
        "B2_MASTER_KEY": "<your B2_MASTER_KEY>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "b2-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "<your B2_APPLICATION_KEY_ID>",
        "B2_APPLICATION_KEY": "<your B2_APPLICATION_KEY>",
        "B2_REGION": "<your B2_REGION>",
        "B2_MASTER_KEY_ID": "<your B2_MASTER_KEY_ID>",
        "B2_MASTER_KEY": "<your B2_MASTER_KEY>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "b2-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "<your B2_APPLICATION_KEY_ID>",
        "B2_APPLICATION_KEY": "<your B2_APPLICATION_KEY>",
        "B2_REGION": "<your B2_REGION>",
        "B2_MASTER_KEY_ID": "<your B2_MASTER_KEY_ID>",
        "B2_MASTER_KEY": "<your B2_MASTER_KEY>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "b2-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "<your B2_APPLICATION_KEY_ID>",
        "B2_APPLICATION_KEY": "<your B2_APPLICATION_KEY>",
        "B2_REGION": "<your B2_REGION>",
        "B2_MASTER_KEY_ID": "<your B2_MASTER_KEY_ID>",
        "B2_MASTER_KEY": "<your B2_MASTER_KEY>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "b2-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "<your B2_APPLICATION_KEY_ID>",
        "B2_APPLICATION_KEY": "<your B2_APPLICATION_KEY>",
        "B2_REGION": "<your B2_REGION>",
        "B2_MASTER_KEY_ID": "<your B2_MASTER_KEY_ID>",
        "B2_MASTER_KEY": "<your B2_MASTER_KEY>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.backblaze-labs%2Fb2-mcp.svg)](https://mcptoplist.com/server/io.github.backblaze-labs%2Fb2-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.backblaze-labs%2Fb2-mcp"><img src="https://mcptoplist.com/badge/io.github.backblaze-labs%2Fb2-mcp.svg" alt="MCP Toplist: Top 5% of 132,046" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 3 registries

Official MCP

mcp.so

Glama

ORGANIZATION

backblaze-labs

Organization

backblaze-labs

Servers in org

Versions across org

VERSIONS

Available versions (2)

Version	Published
0.2.1	Sep 4, 2026
0.2.0	Sep 1, 2026

FAQ

Frequently asked questions

Who maintains Backblaze B2 MCP Server?: Backblaze B2 MCP Server is maintained by backblaze-labs, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
Is Backblaze B2 MCP Server listed on the Official MCP Registry?: Yes — Backblaze B2 MCP Server is listed on the Official MCP Registry, alongside mcp.so and Glama.
How many versions does Backblaze B2 MCP Server have?: MCP Toplist tracks 2 versions of Backblaze B2 MCP Server, most recently published on Sep 4, 2026.
Where can I find the source code for Backblaze B2 MCP Server?: The source code for Backblaze B2 MCP Server is hosted at github.com/backblaze-labs/b2-mcp.

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