b2-mcp
Active·★ 45·MIT·Updated 2026-10-20
The Backblaze B2 MCP Server provides a Model Context Protocol interface, enabling AI clients like Claude to safely interact with Backblaze B2 Cloud Storage. It exposes 40 specialized tools for managing buckets, files, keys, Object Lock, and S3-compatible storage operations.
#Model Context Protocol#Cloud Storage#Backblaze B2#S3 Compatible#AI Integration#API Gateway#TypeScript#Node.js
01
Features
01Provides 40 tools for Backblaze B2 and S3-compatible operations, including native B2 SDK, AWS S3 SDK, and custom analytics.
02Ensures safe operations through gated destructive actions and keeping durable B2 secrets out of the model's context.
03Features capability-aware registration, meaning an application key only accesses the tools it is authorized to use.
04Exposes read-only MCP resources for server configuration, capabilities, and bucket details without requiring tool calls.
05Supports flexible deployment options including local stdio, Docker, and various hosted HTTP environments.
02
Compatibility
Node.js
Runtime
Verified via docs
TypeScript
Language
Verified via docs
Backblaze B2
Storage
Verified via docs
AWS S3
Storage
Verified via docs
Docker
Deployment
Verified via docs
Claude Desktop
AI Client
Verified via docs
03
Quick start
1
$ npx -y @backblaze-labs/b2-mcp
04
Use cases
↳Listing accessible storage buckets and managing their configurations.
↳Uploading, downloading, copying, and deleting objects in Backblaze B2 or S3-compatible storage.
↳Generating short-lived presigned URLs for secure object sharing or temporary access.
↳Automating storage management tasks like setting object retention, legal holds, or managing multipart uploads.
↳Analyzing storage usage, identifying egress leaders, largest files, and unfinished uploads for cost and hygiene.
05
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