backblaze-labs/b2-mcp

Overview

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

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

How to use

Install

npx -y @backblaze-labs/b2-mcp

Tested with

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

Example client config

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

Notes

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.

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

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

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

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.