Public product

CaiLENDAR

Adding calendar events is tedious, repetitive, and surprisingly easy to get wrong. CaiLENDAR lets AI do the boring work — turning messy plans into clean, accurate calendar events that are ready to use. Calendar, no, CaiLENDAR

Problem and user

Remove the repetitive structure and time-zone errors from calendar entry.

People turning travel plans, bookings and natural-language plans into reliable calendar events

My role

Founder, product lead and engineer

Natural-language inputICS outputTime-zone aware

Outcome and status

  • Created a focused workflow from unstructured plans to ready-to-use events.
  • Reduced the number of manual decisions required to create accurate entries.

Key product and technical decisions

  • Accept human context instead of forcing users through a complex form.
  • Generate standards-compliant calendar files that work with existing calendar products.
  • Position AI as a preparation layer rather than another calendar.

Learning

Compatibility and confidence in the final calendar event matter more than making AI the visible centre of the experience.

Next step

Validate repeat use across travel and booking scenarios, then harden the time-zone and recurrence edge cases.

Build notes and lessons

TL;DR

Adding calendar events is tedious, repetitive, and surprisingly easy to get wrong. CaiLENDAR lets AI do the boring work — turning messy plans into clean, accurate calendar events that are ready to use. Calendar, no, CaiLENDAR

The Calendar plus Ai = CaiLENDAR

cailendar_logo

CaiLENDAR.app

Adding things to your calendar should be simple.

In reality, it’s one of those tasks that quietly wastes time and invites mistakes.

You copy dates from emails.

You guess time zones.

You forget end times.

You mislabel all-day events.

You skip details because “I’ll remember later”.

And later… your calendar lies to you.

CaiLendar was built around a simple idea:

Humans shouldn’t have to do structured data entry for something they already understand.

Calendar entry is boring — and that’s the problem

Creating a proper calendar event isn’t hard because it’s complex.

It’s hard because it’s tedious.

Most of the work is mechanical:

  • Parsing dates and times

  • Handling time zones

  • Structuring multi-day events

  • Writing descriptions you don’t want to write

This is exactly the kind of work AI is good at — and exactly the kind of work humans shouldn’t be doing manually.

Let AI prepare it properly

With CaiLENDAR, you give context, not structure.

Paste an itinerary.

Drop in a booking confirmation.

Describe a plan in plain English.

CaiLendar takes care of the rest — producing clean, standards-compliant calendar events (ICS) that are already structured the way your calendar expects.

No fiddling.

No fixing later.

No “why is this an all-day event?” moments.

Fewer mistakes, more trust in your calendar

When calendar entry is painful, people cut corners.

That’s where mistakes creep in — and where calendars stop being reliable.

CaiLendar removes friction at the source by handling:

  • Correct start and end times

  • Accurate time zones

  • Multi-day and travel-style events

  • Clear, readable descriptions

The result is a calendar you can actually trust — because it was prepared properly from the start.

A tool that respects your time

CaiLendar isn’t trying to replace your calendar.

It’s there to do the boring parts before the event ever gets added.

Think of it as a preparation layer:

  • You think in plans

  • CaiLendar thinks in structure

  • Your calendar just works

Let AI do the tedious work — so your calendar reflects your life, not your admin.

Other product work

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