"Capture The Flag (CTF) cybersecurity competitions and challenges" matching MCP servers:

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

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.

Enables AI assistants to store and retrieve data using the Walrus decentralized storage network. Supports blob storage operations, retrieval by ID, and blockchain-verified availability through the Sui network.

A local MCP server that uses a Chromium extension to capture SharePoint Online session tokens, enabling supervised SharePoint operations (lists, files, permissions, modern pages) through Microsoft Graph and SharePoint REST without cloud token uploads.

Provides access to organizational Sharepoint documents through the Microsoft Graph API, enabling search and retrieval of Sharepoint content for AI assistants.

A Model Context Protocol server that exposes the TrekMail API v1 as 185 agent tools for managing email infrastructure and messaging.

🚀 Tigris MCP Server implements the MCP specification to create a seamless connection between AI agents and Tigris key features like bucket and object management.

MCP server for Ethereum Swarm decentralized storage. Provides 12 tools for uploading and downloading data and files, managing postage stamp batches, and working with Swarm feeds — all via the Bee API. Works with the public Swarm gateway or a local Bee node.

MCP server for the Proton privacy suite — Mail, Pass, Drive, Calendar, and VPN. 36 tools for Claude and other MCP-compatible AI agents.

Enables Claude Desktop to read, write, and manage Google Sheets through natural language conversation using the Model Context Protocol.

The Firebase MCP server provides a standardized interface to interact with Firebase services, including Firebase Authentication, Firestore, and Firebase Storage.

Snapshot and backup service for the A2A network, storing agent payloads as content-addressed blobs with SHA-256 integrity and metered access via x402.

A standardized interface for interacting with AWS S3 tools and services through a unified API, following the MCP specification.

Model Context Protocol servers for Microsoft 365, enabling AI assistants to interact with Calendar, Contacts, OneDrive, Outlook, and SharePoint via the Microsoft Graph API.

The Box MCP Server facilitates searching and reading PDF and Word files in Box using Developer Token authentication.

This MCP server integrates with Google Drive to allow listing, reading, and searching files, as well as the ability to read and write to Google Sheets.

The Ultimate MCP Server for Google Workspace Automation — Seamlessly integrate Google Drive, Sheets, and Docs with Claude AI and other AI agents through the Model Context Protocol (MCP).

Self-hosted MCP server enabling Foundry agents to search, list, and read Google Drive files via the Drive API with server-side OAuth authentication.

MCP server for the Solid protocol enabling AI models to read, write, search, and manage resources in Solid pods.

Enables AI agents to manage Box files, folders, collaborations, and more via the Box API using tools for search, upload, and metadata operations.