Calendar MCP
MCP ServerFreeProduction-grade Model Context Protocol server for Google Calendar with comprehensive tools, resources, and prompts. Built on the Smithery TypeScript scaffold and the official MCP SDK. Features include listing calendars and events, creating/updating/deleting events, free/busy queries, mutual free t
Capabilities5 decomposed
calendar event creation and management
Medium confidenceThis capability allows users to create, update, and delete events in Google Calendar using the Model Context Protocol (MCP). It leverages the official MCP SDK for seamless integration with Google Calendar's API, ensuring that all operations are performed in a production-grade environment. The implementation supports features like recurring events and RSVP updates, making it robust for various scheduling needs.
Utilizes the Smithery TypeScript scaffold for a structured and maintainable codebase, ensuring high reliability and ease of updates.
More comprehensive event management capabilities than basic Google Calendar APIs due to its MCP integration.
free/busy query handling
Medium confidenceThis capability enables users to query the free/busy status of calendar events for specified time frames. It utilizes Google Calendar's API to fetch availability data, allowing applications to determine when users are free or busy. The implementation is optimized for performance, ensuring quick responses even for multiple users.
Integrates directly with the Google Calendar API to provide real-time availability data, enhancing user experience in scheduling.
Faster and more efficient than traditional polling methods by leveraging direct API calls.
mutual free time discovery
Medium confidenceThis capability allows users to find mutual free time slots among multiple participants by analyzing their calendar events. It combines free/busy query results for all involved users and identifies overlapping free periods. The implementation is designed to handle complex scheduling scenarios and provides a user-friendly output for easy decision-making.
Employs an efficient algorithm to aggregate and analyze multiple users' availability, reducing the time needed to find suitable meeting slots.
More effective than manual checking or simple algorithms, providing a streamlined approach to scheduling.
event color and settings management
Medium confidenceThis capability allows users to manage event colors and settings in Google Calendar, enhancing the visual organization of events. It utilizes the Google Calendar API to update event properties such as color codes, reminders, and visibility settings. The implementation ensures that changes are reflected in real-time across all user devices.
Provides a comprehensive interface for managing event aesthetics and settings, which is often limited in other calendar APIs.
Offers more granular control over event properties compared to standard Google Calendar API calls.
dynamic resource scheduling
Medium confidenceThis capability allows users to dynamically schedule resources (like meeting rooms or equipment) alongside events in Google Calendar. It integrates with the Google Calendar API to check resource availability and automatically reserve them when creating or updating events. The implementation ensures that resource conflicts are minimized.
Utilizes a real-time resource availability check to ensure that resources are allocated efficiently, reducing scheduling conflicts.
More effective than manual resource booking, providing automated solutions that save time.
Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.
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Best For
- ✓developers building applications that require calendar functionalities
- ✓teams coordinating schedules for meetings
- ✓project managers organizing team meetings
- ✓developers creating custom calendar applications
- ✓office managers coordinating resource usage
Known Limitations
- ⚠Requires Google Calendar API access, which may have rate limits and quota restrictions.
- ⚠Limited to the permissions granted by users for sharing their calendar status.
- ⚠Requires all participants to share their calendar availability.
- ⚠Changes may not reflect immediately due to API caching.
- ⚠Requires resources to be set up and shared in Google Calendar.
Requirements
Input / Output
UnfragileRank
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Repository Details
About
Production-grade Model Context Protocol server for Google Calendar with comprehensive tools, resources, and prompts. Built on the Smithery TypeScript scaffold and the official MCP SDK. Features include listing calendars and events, creating/updating/deleting events, free/busy queries, mutual free time discovery, ACL and sharing, colors and settings, quick-add, moving events, recurring instances, RSVP updates, dynamic resources, and scheduling prompts. For a broader feature analysis and roadmap, see docs/comprehensive-google-calendar-mcp-features.md.
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