OfficialLocalFree server, account needed

Backblaze B2 MCP server

backblaze-labs/b2-mcp

Manage Backblaze B2 buckets, files, keys, Object Lock and S3-compatible storage.

46 GitHub stars8 forks
Source code

Install Backblaze B2 in Claude Code

Claude Code
claude mcp add backblaze-b2 -e B2_APPLICATION_KEY_ID=... -e B2_APPLICATION_KEY=... -- npx -y @backblaze-labs/b2-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "backblaze-b2": {
      "command": "npx",
      "args": [
        "-y",
        "@backblaze-labs/b2-mcp"
      ],
      "env": {
        "B2_APPLICATION_KEY_ID": "...",
        "B2_APPLICATION_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Backblaze B2 MCP server do?

Manage Backblaze B2 buckets, files, keys, Object Lock and S3-compatible storage.

Is the Backblaze B2 MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Backblaze B2 run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Backblaze B2 to Claude Code?

Run: claude mcp add backblaze-b2 -e B2_APPLICATION_KEY_ID=... -e B2_APPLICATION_KEY=... -- npx -y @backblaze-labs/b2-mcp

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