R2 Upload MCP Server

Name: R2 Upload MCP Server
Author: leonho

@leonho

代码仓库

关于 R2 Upload MCP Server

Cloudflare R2 Upload MCP Server

#r2-upload #cloudflare #file-upload

基本信息

分类

文件与存储

运行时

node

传输方式

stdio

发布者

leonho

配置

暂无标准配置

该服务器的 README 中没有可解析的 MCP 配置块，请前往代码仓库查看安装说明。

代码仓库

工具

未检测到工具

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is R2 Upload MCP Server?

It is a Model Context Protocol (MCP) server for uploading files to Cloudflare R2 storage with automatic MIME type detection and environment variable configuration. It is intended for developers who want to integrate file uploads into MCP‑compatible AI tools.

How to use R2 Upload MCP Server?

Install via pnpm install and pnpm build. Set the required environment variables (R2_ACCOUNT_ID, R2_ACCESS_KEY_ID, R2_SECRET_ACCESS_KEY, R2_BUCKET_NAME) in your MCP configuration file. The server exposes the upload_file tool, which accepts a filePath (required) and optional key and contentType parameters.

Key features of R2 Upload MCP Server

Upload files to R2 bucket with automatic MIME detection
Support custom object keys and content types
Returns public URLs for uploaded files
Environment variable configuration
Optional custom domain for public URLs

Use cases of R2 Upload MCP Server

Upload AI‑generated images or documents to R2 storage
Store JSON, PDF, or other files in MCP‑enabled workflows
Automate file uploads in CI/CD pipelines
Host files on a custom domain with R2 public URLs

FAQ from R2 Upload MCP Server

What environment variables are required?

You must set R2_ACCOUNT_ID, R2_ACCESS_KEY_ID, R2_SECRET_ACCESS_KEY, and R2_BUCKET_NAME.

How do I get R2 credentials?

In the Cloudflare Dashboard, create an R2 bucket, then generate an API token with read/write permissions and note the Access Key ID and Secret Access Key.

Can I use a custom domain for public URLs?

Yes. Set the R2_CUSTOM_DOMAIN environment variable, and the server will return URLs using your custom domain instead of the default R2 dev domain.

What file types are supported for MIME detection?

Images (.jpg, .jpeg, .png, .gif, .webp), documents (.pdf, .txt, .json, .html, .css), scripts (.js), videos (.mp4, .mov, .avi), and audio (.mp3, .wav). Other types default to application/octet-stream.