CalendarPipe is a programmable calendar synchronization tool that connects Google, Outlook, and Apple calendars through customizable pipes, allowing users to filter, transform, and route events using visual tools, plain English descriptions with AI, or TypeScript code. It delivers events as real email invitations without requiring recipient OAuth, making it ideal for both human users and AI agents with integrated REST API, CalDAV, and MCP server support.
CalendarPipe
Programmable calendar sync for humans and AI agents

CalendarPipe 介绍
核心功能
- Programmable sync rules via visual builder, AI description, or TypeScript code for full event control
- Syncs across Google, Outlook, and Apple calendars with invitation-based delivery, no OAuth required for recipients
- AI agent integration with REST API, CalDAV, and MCP server for autonomous calendar management
- Transparent pricing including a free forever plan with 2 connections and a Pro plan at $4/month for unlimited features
典型使用场景
- Individuals managing personal and work calendars with custom rules to prevent scheduling conflicts
- Organizations avoiding OAuth security approvals by using email-based calendar synchronization
- AI assistants and bots autonomously scheduling meetings and sending real invitations
- Teams seeking a lightweight alternative to feature-heavy calendar tools for focused sync needs
为什么适合初创团队
Startups need CalendarPipe for its cost-effective, focused calendar synchronization without feature overload, reducing complexity and expenses. Its ability to bypass OAuth restrictions helps avoid security approval hurdles, and AI agent integration supports automation in scheduling, enhancing operational efficiency for agile teams.
可替代选择
Reclaim.ai, OneCal, Vimcal, Google Calendar
常见问题
How does CalendarPipe sync calendars without requiring OAuth on the recipient side?
CalendarPipe sends events as real email invitations that recipients can accept directly, bypassing the need for OAuth access and simplifying security approvals.
What is a pipe in CalendarPipe?
A pipe is a programmable function that processes calendar events, allowing users to filter, transform, block, or route them based on customizable rules for precise sync control.
Is there a free plan available for CalendarPipe?
Yes, CalendarPipe offers a forever free plan with 2 connections, and a Pro plan at $4/month for unlimited connections and all features.
Can AI agents use CalendarPipe for scheduling?
Yes, AI agents can utilize the REST API, CalDAV support, and MCP server to host their own calendars and send real meeting invitations autonomously.
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