CHOOSE A PRODUCT · BUILD WITH YOUR AGENT
Google Calendar
Google Calendar is Google's calendar and scheduling service.
At a glance
Google Calendar is Google's calendar and scheduling service.
Catalog categories: calendar, scheduling.
Catalogued capability areas: - Web calendar with sharing - Invitations and scheduling - CalDAV sync
This summary reflects the catalog record, not a complete product specification. Verify intended users, end-to-end workflows, supported platforms, edge cases, data handling, and constraints against cited sources. Treat capability labels as research leads until that verification is complete.
- Web calendar with sharing
- Invitations and scheduling
- CalDAV sync
Open-source alternative
2 candidate projects in the landscape. A candidate may cover all, part, or none of what Google Calendar does — read the coverage and gaps below.
Nextcloud Calendar
AGPL-3.0Calendar server and web UI on CalDAV.
Radicale
GPL-3.0Lightweight CalDAV/CardDAV server.
Coverage and gaps
Alternative coverage
Available. Open calendaring is mature (Nextcloud Calendar, Radicale) via the CalDAV standard.
The gap
Open calendaring is a solved problem via CalDAV; the missing pieces are Google's appointment-booking UX and integrations.
Build this product with your agent
This Markdown file is the coding-agent skill for Google Calendar. Give it to your agent in your project; it guides research, reuse decisions, implementation and verification.
- agent-kit.mdDownloadable Markdown skill with product-specific instructions for your coding agent.available
- skill.mdGenerated copy of the same product skill — rae google-calendar --out ./google-calendar-agent.in kit
- mcp.jsonOptional MCP server config — rae google-calendar --out ./google-calendar-agent.in kit
- Product workspaceOptional starting workspace for your agent — rae build product google-calendar --out ./google-calendar.
- ChoosePick the product you want to build.
- ReviewAsk your agent to check the product skill, evidence and alternatives.
- BuildGive the skill to your coding agent and build in your own project.
- VerifyRun the checks for your implementation and review the result.
Evidence
Sources
Provenance
- Catalog record — catalog/products.jsonl
- Research dossier — research/companies/google/products/google-calendar.md
- REA web-surface report — catalog/rea/google/google-calendar.md
- Open-source skill file — catalog/skills/google/google-calendar.md
Next step
Give the Google Calendar skill to your coding agent in your project. Ask it to evaluate Nextcloud Calendar ↗ against your needs, reuse what fits, then follow the skill's build and verification instructions.
Give the product skill to your coding agent in the project where you want to build. Optional starter workspace: rae build product google-calendar --out ./google-calendar. CLI reference.