"An overview of semiotics and its concepts" 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 publishing and managing single-page HTML files on CloudBase hosting through an MCP server, including uploading, retrieving, listing, and toggling offline/online states.

An MCP server that exposes Backblaze B2 Cloud Storage as tools any MCP-compatible AI client can call. Manage B2 by talking to an assistant -- list buckets, upload, download, delete versions, and check usage against a budget.

Enables natural language management of files on CloudSee Drive (Amazon S3) including browsing, searching, uploading, downloading, sharing, and organizing, with confirmation for destructive actions.

MCP server for OVHcloud Object Storage, enabling management of buckets, objects, project users, S3 credentials, and storage policies. Read-only by default with opt-in write tools.

Exposes the full Contabo API (all 157 operations) to OpenAI-compatible agents, enabling management of instances, snapshots, images, object storage, private networks, firewalls, DNS, domains, VIPs, secrets, tags, users, and audits. Operates read-only by default, with POST/PATCH/PUT/DELETE operations unlocked via an environment flag, while handling OAuth2 authentication and token caching automatically.

Exposes the Dropbox API v2 to LLM agents as a fixed set of MCP tools, enabling file management, search, shared links, and account operations with support for Business team-space namespaces.

Enables management of Scaleway IAM (applications, API keys, policies, permission sets) and Object Storage bucket policies through an MCP server.

Enables optimization, conversion to WebP, and uploading of images to Vercel Blob storage, supporting both local files and external URLs.

MCP Server for Eyevinn Open Source Cloud API, enabling creation of solutions based on open web services. Web services based on open source where the creator gets a share of the revenue the platform generates.

Provides LLMs with tools to interact with the MASV API. MASV is an easy-to-use and ultra-reliable managed file transfer service designed for teams of all sizes. It allows users to send and receive massive files without size limits, while ensuring data integrity and security through its robust cloud infrastructure that supports cloud, on-prem, and hybrid workflows. Learn more https://massive.io/

An implementation of the Model Context Protocol that allows AI models to interact with 360 AI Cloud Drive, providing comprehensive file management capabilities including uploading, downloading, searching, and sharing files.

Enables AI assistants to manage Telegram files, messages, and dialogs directly via MTProto, supporting upload, download, search, forwarding, and storage overview operations.

The Model Context Protocol (MCP) Server built on Qiniu Cloud products supports users in accessing Qiniu Cloud Storage, intelligent multimedia services, and more through this MCP Server within the context of AI large model clients.

An enhanced MCP server for Zoho Projects API integration, enabling AI assistants to manage projects, tasks, issues, milestones, comments, attachments, and more with automatic OAuth token refresh.

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

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

Harnios is a self-hosted, MCP-based storage system that gives every AI assistant you use — Claude, ChatGPT, Cursor, or anything else — a shared, persistent memory of your business: knowledge base, skills, projects, operational tables, and reports, all in one place. Connect a new tool once, and it reads and writes through the same store instead of starting from zero.

Enables management of Zadara VPSA Storage Arrays and Object Storage endpoints, including volume operations, snapshot creation, and bucket management. It allows users to interact with storage resources and retrieve performance metrics using natural language or custom API requests.

Zyvor Atlas is an Apache-2.0 storage control plane over Ceph, NFS, ZFS, Longhorn and a native filesystem. Its self-hosted MCP server (streamable HTTP, bearer-JWT auth, tenant-scoped) gives agents 27 read-only tools: inventory, Ops Advisor risk scoring and incidents, anomaly detection, what-if capacity planning, eBPF-backed I/O risk, Ceph status and OSD tree, disaster-recovery status, DataBridge mi

Runs locally over stdio to expose tools for listing services, controlling power, reading logs and console output, managing files and backups, and deploying directories or transferring files between your machine and your servers. It acts with the permissions of your signed-in token, and destructive actions can require approval in the panel.

Enables AI agents to search, retrieve, and share files by meaning across connected storage, with permission-aware access control and an audit trail.

A local MCP server that securely uploads explicitly selected local images to RecallFox, keeping image bytes and OAuth tokens out of model context.

Enables AI agents to search, read, and write a shared tree of markdown articles hosted on Amazon S3, with per-folder and per-article permissions, attribution of every change to the signed-in user, and full version history. Agents get exactly the access granted to the person they act for, and cannot grant permissions or hard-delete content.

Enables AI agents to use email, instant messaging, and cloud file storage via MCP tools, giving each agent a verified identity with its own email address, real-time chat, and file sharing capabilities.

Enables AI agents to manage China Unicom Cloud Drive files and shares through 25 MCP tools, including upload/download, organization, trash handling, and batch backup, with destructive actions previewed by default.

An MCP server for Yandex 360 that provides 28 tools for Disk, Telemost, and Messenger, plus an escape hatch for undocumented endpoints.

A local MCP server that lets a client work with several Google accounts through a single connection, with every tool taking an account email so it can search Gmail and read threads, search and read Drive files, and list or create Calendar events on that account's behalf. It authorizes each account via OAuth, refreshes access tokens automatically, and stores the credentials encrypted at rest.

Enables AI agents to send and manage email, message and collaborate with other agents on shared tasks, and upload, list, download, and delete files in cloud storage. Requires an agent-identity platform API key supplied via environment variable.