"UML diagram generation tools and software like Mermaid or Visio" matching MCP servers:

Provides tools for reading, modifying, and analyzing Google Sheets, as well as searching and managing Google Drive spreadsheets with access control.

Converts Markdown files and content to styled PDFs with S3 integration, Mermaid diagrams, and ApexCharts support, supporting stdio, HTTP, and SSE transport modes.

An MCP server that provides tools for interacting with AWS S3 buckets, enabling direct access to S3 operations through the Model Context Protocol.

Enables text-to-speech conversion using Minimax AI's voice synthesis API with automatic upload to Amazon S3. Supports customizable voice settings including model selection, voice ID, and speech speed control.

Enables direct interaction with AWS S3 buckets through the Model Context Protocol, allowing users to list and manage S3 bucket operations using their AWS credentials.

A Model Context Protocol (MCP) server for ZeroDrive file management. It enables AI assistants like Claude to interact with ZeroDrive cloud storage through a standardized interface.

Governed MinIO object-storage operations — capacity, exposure-surface audit, lifecycle, and healing RCA, with guarded bucket writes, unbypassable audit logging (MCP + CLI), budget/runaway guards, dry-run, and undo/rollback.

Enables MCP-compatible AI assistants to manage iDrive backup/restore operations, including listing devices, browsing and downloading backed-up files, and performing mutations like creating folders, deleting files, or restoring from trash.

Enables creating storage buckets and uploading media files to Supabase Storage through natural language, with no delete or overwrite capabilities.

Exposes Poi's external APIs (file upload/download, commenting, license key issuance) as MCP tools for use with LLM clients like Claude.

A PUT-only MCP server for MinIO that enables file, batch, and streaming uploads with automatic date/machine/file path organization and metadata generation for data archiving.

Enables users to upload files and generate tracked, shareable links directly from AI agents like Claude Desktop or Cursor. It supports publishing various file formats including text, PDFs, and images, while providing tools for artifact management and analytics.

Enables AI assistants to interact with img-src.io for uploading, searching, and managing images through natural language. It provides tools for image transformations, CDN URL generation, and account usage monitoring.

Enables uploading files to Notion with complete workflow support including file upload, automatic page attachment, and download URL generation. Supports files up to 20MB with custom naming and metadata handling.

An Amazon S3 Model Context Protocol server that allows Large Language Models like Claude to interact with AWS S3 storage, providing tools for listing buckets, listing objects, and retrieving object contents.

Enables LLMs to manage and manipulate notes in Nextcloud Notes via WebDAV, supporting tasks like organizing, summarizing, rewriting, and translating notes through natural language commands.

Enables AI assistants to interact with Google Drive, supporting file operations like list, search, read, create, update, delete, share, and manage permissions.

Enables browsing S3 buckets and objects, and generating secure presigned URLs for downloads and uploads, through natural language commands in MCP clients like Claude Desktop.

Provides tools for interacting with MinIO and S3-compatible object storage through MCP clients like Claude. It enables comprehensive bucket and object management, including listing, creating, uploading, and generating presigned URLs.

A Model Context Protocol server that enables AI assistants to interact with Proton Drive files, supporting operations like listing, reading, creating, and deleting files and folders.