"Creating a voice AI for making outbound calls via SIP telephony" matching MCP servers:

Provides a set of MCP tools to manage Google Calendar events via natural language, allowing creation, querying, updating, and deletion of events through a local LLM (Ollama) and MCP client.

Enables AI assistants to book meetings, check availability, and manage Cal.com scheduling through natural conversation.

Calendar AI - MCP server providing AI-powered tools and automation by MEOK AI Labs

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 AI agents to read and manage Microsoft 365/Outlook email and calendar, with destructive actions (send email, create event) requiring human approval.

Enables AI assistants to manage phone calls, contacts, and tasks directly, including making and scheduling calls, retrieving transcripts, and handling contact and to-do items.

Provides calendar, email, meeting transcription and summarization, and weather tools via MCP, enabling users to manage schedules, handle correspondence, capture meeting insights, and check conditions through natural language.

Date Calculator AI - MCP server providing AI-powered tools and automation by MEOK AI Labs

A hosted MCP server that allows AI assistants to access Google Calendar and Sheets via OAuth proxy, requiring no Google Cloud setup.

Enables natural language interaction with Google Calendar through AI agent tools for scheduling, event management, and availability checking.

Enables AI assistants to interact with Microsoft 365 and Office services through the Microsoft Graph API, providing tools for email, calendar, files, Teams, SharePoint, and more with configurable permissions and output formats.

Empowers AI assistants with real-world capabilities including note management, Gmail integration, Google Calendar and Tasks management, and Git repository operations through the Model Context Protocol.

Connects Claude to email, calendar, and tasks via Jinike AI, enabling inbox reading, email sending, event creation, task management, and daily briefings through Gmail, Outlook, and Google Calendar integration.

MCP server giving Claude access to Tuta mail, calendar, contacts and drive. Supports mail modes (dedicated/shared/folder), trusted sender filtering with E2E verification, and Docker-based setup.

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

Enables AI assistants to list and create Google Calendar events using natural language, with persistent OAuth authentication via Redis.

MCP server for Google APIs — Gmail and Calendar tools for LLM agents.

A thin, timezone-correct MCP server for scheduling against CalDAV calendars, providing tools for creating, updating, and managing events with proper timezone handling and recurrence support.

MCP server for Kontur.Talk that enables creating rooms, scheduling meetings, listing and downloading recordings, and reading meeting chat via the Talk HTTP API.

MCP server for the eRezo API that enables managing professional contacts and events directly from Claude, including listing, creating, updating, and deleting contacts, as well as event registration.