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b2-mcp MCP server

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

Category: Cloud Platforms · Source: backblaze-labs/b2-mcp

Install in Claude Code

claude mcp add backblaze-b2 -e B2_APPLICATION_KEY_ID=YOUR_VALUE -e B2_APPLICATION_KEY=YOUR_VALUE -- npx -y @backblaze-labs/b2-mcp

Install in Cursor

Add to .cursor/mcp.json (project) or ~/.cursor/mcp.json (global):

{
  "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 in VS Code (Copilot agent mode)

Add to .vscode/mcp.json:

{
  "servers": {
    "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"
      }
    }
  }
}

The same mcpServers block works in Claude Desktop (claude_desktop_config.json), Windsurf and most other MCP clients.

Required environment variables

Values shown as placeholders in the README; get them from the provider. Never commit them to git.

Config taken from the project README. Check the repository for the latest options before running third-party code.

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