"Qubes OS" matching MCP servers:

Provides MCP tools to read and update a local-first personal OS for goals, tasks, habits, food, workouts, and check-ins. Enables assistants to manage daily life data and interact with an evidence-grounded AI coach.

Local-first Microsoft Outlook MCP server: a single Go binary that manages calendar events and mail through the Microsoft Graph API over stdio, with tokens stored in the OS keychain and no Entra ID app registration required. Exposes four aggregate tools (calendar, mail, account, system) dispatched by an operation verb, with multi-account support and read-only and mail-gating modes.

An MCP server for Microsoft Graph, exposing 60 tools across calendar, email, meetings, Teams chat, files, people, directory, tasks, and OneNote over stdio or Streamable HTTP.

Provides exact calendar calculations from 1971 to 2100, including OPM and Federal Reserve holiday observance, business-day addition and counting, and invoice due dates with weekend and holiday roll rules.

Enables MCP-enabled AI clients to access Microsoft 365 operated by 21Vianet (China) through Microsoft Graph, supporting email, calendar, OneDrive, SharePoint, Teams, contacts, search, and intelligent aggregation with delegated permissions and OAuth 2.1.

MCP server for Open-Xchange & standards-based mail: email (IMAP/SMTP), Sieve filters, CalDAV calendar, CardDAV contacts, free/busy.

MCP server for Microsoft Teams that exposes 73 tools to manage teams, channels, chats, messages, meetings, planner, calendar, apps, tabs, scheduling, search, and authentication via the Graph API.

Connects AI assistants to Masaryk University's information system in read-only mode, letting students ask about their timetable, deadlines, emails, grades, and study materials in natural language.

Dooray MCP server for interacting with Dooray services such as messenger, calendar, project, and posts. Supports operations like reading, creating, and updating posts, comments, and files.

Enables AI assistants to query and manage real booking data from MajinCleaningSolutions via Supabase, including checking availability, listing bookings, and updating status.

Connects Claude to on-premises Exchange via EWS and Active Directory, enabling natural-language meeting-room booking, free/busy checks, calendar management, email handling, and org-chart-aware scheduling with OIDC-authenticated impersonation.

Enables MCP-capable AI clients to use a 21Vianet Microsoft 365 tenant on the user's behalf, including querying mail, managing calendars, and searching OneDrive and SharePoint through Microsoft Graph China.

Enables MCP-compatible AI clients to access and manage the authenticated user's 21Vianet Microsoft 365 mail, calendar, OneDrive, SharePoint, and related Graph data while respecting tenant permissions, confirmations, and audit boundaries.

An MCP gateway that lets AI clients act as the signed-in user against 21Vianet-operated Microsoft 365 through Microsoft Graph China, enabling mail reading and sending, calendar scheduling and conflict checks, and OneDrive/SharePoint file search. It preserves tenant-granted permissions with delegated access, role and scope filtering, write confirmations, and audited operations.

Enables MCP-capable AI clients to use a 21Vianet-operated Microsoft 365 tenant on the user's behalf — reading mail, analyzing calendar conflicts, searching OneDrive and SharePoint files, and sending messages after confirmation — through a single Streamable HTTP endpoint with OAuth and delegated Microsoft Graph China permissions. Respects existing tenant roles, scopes, and audit boundaries, so access never exceeds what the signed-in user already has.

Enables MCP-capable AI clients to read and act on a user's 21Vianet-operated Microsoft 365 mail, calendar, OneDrive, SharePoint, Teams, contacts, and search data as that signed-in user through Microsoft Graph China. Access is bounded by delegated permissions, App Roles, write confirmation, and audit controls.

Enables MCP-capable AI clients to act as the signed-in user against 21Vianet Microsoft 365 through Microsoft Graph China, reading mail, analyzing calendar conflicts, and searching OneDrive and SharePoint files. It preserves existing user permissions with delegated access, OAuth login, tool scoping, write-operation confirmation, and auditable boundaries.

Enables MCP clients to manage a personal Outlook consumer inbox and calendar through Microsoft Graph, with local device-code authentication and OS keyring token storage.

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.

Provides MCP tools for operations desk tasks including calendar availability, customer lookup, quote calculation, and notification sending. Includes an internal agentic orchestrator that consumes the same MCP tools via protocol.

Enables interaction with Microsoft 365 and Office services through the Microsoft Graph API, including email, calendar, files, Teams, SharePoint, and more.

Enables MCP-capable AI clients to access and act on a user's 21Vianet Microsoft 365 resources—mail, calendar, OneDrive, SharePoint, Teams, contacts, and search—via Microsoft Graph China while preserving delegated permissions, confirmations, and audit boundaries.

Enables authenticated interaction with Microsoft 365 and Office services through the Graph API, covering email, calendar, files, Teams, SharePoint, and more. Supports read-only mode, tool filtering, presets, and multiple cloud environments for safe, controlled access.

Enables MCP-compatible AI clients to query and act on a user's 21Vianet Microsoft 365 data, including mail, calendar, OneDrive, SharePoint, Teams, contacts, and Microsoft Search, through Microsoft Graph in China under delegated permissions. It supports OAuth login, module/scope filtering, write-operation confirmation, and auditing boundaries.

An always-on AI chief-of-staff that manages tasks, calendar, notes, habits, and more through chat, with a private markdown vault and multimodal tools.

Enables MCP-capable AI clients to act as the signed-in user against 21Vianet Microsoft 365, allowing mail, calendar, OneDrive, and SharePoint operations through Microsoft Graph China while preserving permissions, confirmations, and audit boundaries.

Enables MCP-capable AI clients to access 21Vianet Microsoft 365 mail, calendar, OneDrive, SharePoint, Teams, contacts, and search as the signed-in user through Microsoft Graph China. It preserves user permissions and supports OAuth, tool filtering, operation confirmation, and audit boundaries.

MCP server providing access to Microsoft Teams chats/channels, Outlook emails, calendar events, and SharePoint files via Microsoft Graph API.

Enables AI assistants to securely manage Google Workspace services (Gmail, Calendar, Drive, Sheets, Contacts) with persistent multi-account OAuth. Uses OS keychain for credential storage with health monitoring and granular business rules for enterprise security.

Enables MCP-capable AI clients to read and act on 21Vianet-operated Microsoft 365 mail, calendar, OneDrive, and SharePoint through Microsoft Graph China endpoints using the signed-in user's delegated permissions. Connections use Streamable HTTP with OAuth, with module/role-scoped tools, write confirmation, and audited boundaries.