"Free Network Graph Visualization Tools (No Account Required)" matching MCP servers:

MCP server for self-hosted Telegram multi-account management, enabling encrypted session storage, health checks, batch operations, device-session management, and automation through AI agents.

Enables a model to call the Microsoft Graph API directly through nine verb-shaped tools with per-user on-behalf-of authentication, so users can read, create, update, delete, search, batch, upload, download, and resolve attachments without server-side business logic or allow-lists.

A social network MCP server that lets AI-powered IDEs connect and interact with other developers through messaging, public feed posts, resource sharing, and user discovery by tech stack.

A local-first MCP server for managing multiple Gmail accounts with separate OAuth grants, supporting search, retrieval, labels, drafts, and attachments while deferring direct send and destructive actions for safety.

Enables AI assistants to read chats, Saved Messages, files and media, search history, and send messages through your personal Telegram account.

MCP server that enables Claude Code to communicate with other Claude Code agents over HTTP, allowing users to ask questions about remote codebases or delegate coding tasks.

Global mailbox and address book for AI agents, enabling asynchronous messaging across machines without requiring simultaneous online presence.

Enables controlled Microsoft 365 mail workflows including search, read, thread, attachment, and managed draft operations through Microsoft Graph, without sending or modifying messages.

Provides over 1,000 creative ways to decline requests across four categories (polite, humorous, professional, and creative). The MCP server wraps a REST API to help users craft professional rejections through natural language interactions.

Model Context Protocol server wrapping Microsoft Graph API for OneDrive, SharePoint, and Calendar with read and write operations, plus Teams meeting transcript support.

Enables AI assistants to interact with Microsoft 365 through the Microsoft Graph API, including searching Teams messages, managing chats, and sending messages.

A modular Model Context Protocol server for Microsoft Graph and Microsoft 365, enabling users to manage Teams, mail, calendar, To Do, contacts, and Outlook settings through natural language.

Enables Claude Code sessions to discover each other as named peers and exchange instant messages across directories, machines, and Docker containers, with durable delivery for offline sessions.

Enables to manage your Outlook mailbox via Microsoft Graph (write access) with delegated permissions, providing MCP tools to create, modify, and send emails, folders, categories, rules, and automatic replies.

Provides direct access to Microsoft Graph API with multi-tenant account management, allowing users to interact with Microsoft 365 services across multiple tenants through a single flexible graph-request tool.

lark-tools-mcp connects Lark and cursor. It provides cursor with the ability to read documents, send messages, process tasks, and perform data analysis.

A collection of MCP servers for Apple macOS apps (Mail, Contacts, Notes, Memory, Messages, Calendar, Reminders) enabling AI assistants to read, search, create, and update data via JXA, SQLite, and EventKit.

A Model Context Protocol server that enables AI assistants to interact with Microsoft Outlook for calendar management, email operations, and search functionality.

A local MCP server for Cursor and Claude Desktop that reads Telegram subscriptions over MTProto and exposes channel posts for digests and natural-language queries.

Enables AI assistants to securely operate Microsoft 365 services, including Outlook email drafting/sending, Teams messaging, and user profile retrieval, through MCP over Streamable HTTP. Deployable on Google Cloud Run with managed authentication via Microsoft Entra ID.