"Building voice agents and controlling SIP phones" matching MCP servers:

Enables agents to list CalDAV calendars, query events by time range, and create, update, or delete events while keeping credentials in environment variables and never exposing passwords in responses.

Exposes tools for querying prices, checking availability, and scheduling car detailing appointments, enabling conversational voice interactions without the web platform.

Enables comprehensive Google Meet and Calendar management through Google Calendar API v3 and Google Meet API v2, supporting calendar event creation with Meet links, space management, transcription, recording, attendance tracking, and meeting moderation controls.

Lets Claude read and manage your iCloud Reminders and Calendar through a custom MCP connector, enabling natural language queries and actions.

MCP server demonstrating elicitation for booking appointments and an interactive MCP App for viewing appointments with SQLite persistence.

A starter template for building Model Context Protocol servers that can integrate AI assistants with custom tools, resource providers, and prompt templates.

Enables AI voice agents like RetellAI and Vapi to directly integrate with GoHighLevel for contact management, calendar availability, and appointment booking without middleware.

A cloud relay server that bridges the GlassBridge smart glasses app with Google services like Gmail and Calendar via the Model Context Protocol. It provides secure OAuth authentication and WebSocket communication to enable voice-controlled tool execution on mobile devices.

Enables AI agents to find auspicious windows for launches, travel, weddings, purchases, publications, and other events using Vedic electional astrology, and to retrieve panchanga, planetary hours, and Rahu Kala.

Answers campus questions by voice, such as room availability, class locations, and deadlines, using existing institutional systems like iCalendar, LDAP, and a room inventory.

Enables AI assistants to access and manage your Mac's Calendar, Reminders, Contacts, Notes, Messages, Voice Memos, and Shortcuts over a private Tailscale network without exposing anything to the internet.

Enables AI agents to manage household schedules by checking availability, proposing minimal changes, and requiring explicit human approval before executing any action.

Enables read-only discovery and planning of San Francisco Tech Week events, including searching by hosts, topics, dates, and building itineraries or calendar drafts.

A hosted MCP server for the BK Jr. recruiter agent that integrates voice (Retell AI), SMS (Quo/OpenPhone), and Google services, exposing tools for candidate management, outreach, and scheduling.

An MCP server that enables interaction with CalDAV calendars to manage events and check availability through natural language or voice commands. It provides specific tools for listing, searching, and creating calendar entries using an OpenAI-compatible interface.

Enables voice-driven event creation on a Skylight family calendar via a Pebble Index ring, including family member tagging, all-day and multi-day events, and natural language scheduling.

A macOS-only MCP server that lets Claude read and create events in Apple Calendar, list calendars, and find free time using EventKit.

Enables MCP-compatible clients to act as an AI receptionist for a small medical clinic, handling appointment booking and rescheduling, patient registration, intake, reminders, and FAQ answers.

A Model Context Protocol server for managing iCloud Calendar events, supporting multiple alarms and both stdio and Streamable HTTP transports.

Measures the shape of idle time in a booking calendar. Separates gaps that can actually be sold from structurally unsellable dead time, accounting for turnover time and the booking start grid. Fully offline, no API key required.