by Google Calendar
Google Calendar API access for AI agents. Create, read, update, and delete calendar events. Supports free/busy queries, recurring events, and multi-calendar management.
curl -fsSL https://serendb.com/install.sh | bashPay per API call via x402 protocol
de917d84-4574-424e-8b82-23da6f58beb8google-calendarby SerenCron
Schedule recurring HTTP jobs with x402 payment support. Charged $0.0001 per job execution. AI agents can create cron jobs that execute on schedule, optionally routing through x402 gateway for paid API targets.
by GMail
Google Gmail API access for AI agents. Read, send, and manage emails with OAuth token passthrough. Supports messages, labels, threads, and drafts.
by SerenNotes
Dear Diary for your LLM and you. A hosted knowledge management platform built. Web UI + Agent API for AI-native note-taking. Persistent note storage for AI agents. Supports markdown, org-mode, and JSON formats. Features include full-text search, hierarchical notes, tagging, pinning, archiving, and optimistic concurrency control.