Backblaze B2 MCP Server

io.github.backblaze-labs/b2-mcp

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

View repository →Homepage →

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "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>",
        "B2_MASTER_KEY_ID": "<your B2_MASTER_KEY_ID>",
        "B2_MASTER_KEY": "<your B2_MASTER_KEY>"
      }
    }
  }
}
Environment variables
  • B2_APPLICATION_KEY_IDrequiredsecretBackblaze B2 application key ID for native B2 and S3-compatible tools.
  • B2_APPLICATION_KEYrequiredsecretBackblaze B2 application key secret.
  • B2_MASTER_KEY_IDsecretOptional master key ID for Partner/Groups API tools.
  • B2_MASTER_KEYsecretOptional master key secret for Partner/Groups API tools.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.2.2
Registry
active
Published
9/29/2026

More Developer Tools servers

Browse all Developer Tools →

BackBond Agent Scan

BackBond

Vet MCP tool manifests before attachment; returns block, review, or no blocking finding.

Developer ToolsAdded 1 month ago

Backenly

backenly

Postgres backend your coding agent builds over MCP; destructive actions wait for a person.

Developer ToolsAdded 2 weeks ago

io.github.Backers-Shawn/pplz-agent

TheBackers

PPLZ AI Agent — Let AI play your social life simulation automatically.

Developer ToolsAdded 6 months ago

Rightis

Backers-Shawn

Identity-rights registry lookups before AI generation: is a face, voice or persona registered?

Developer ToolsAdded 1 month ago

Backlinkswinkel

backlinkswinkel

Search Dutch websites for backlinks, check metrics and prices, order after confirmation, track.

Developer ToolsAdded 4 weeks ago

io.github.Backspace-me/sportscore-mcp

Backspace-me

Live scores, standings, top scorers, brackets for football, basketball, cricket, tennis. Free API.

Developer ToolsAdded 6 months ago

Add the badge to your site

Show visitors that Backblaze B2 MCP Server is listed here — it’s also the link we check for a free listing.

Backblaze B2 MCP Server — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-backblaze-labs-b2-mcp?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Backblaze B2 MCP Server — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Backblaze B2 MCP Server — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-backblaze-labs-b2-mcp?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.