Kairos

Kairos

Every day on your machine leaves a chain of causes. Then the chain vanishes.

Kairos keeps the chain — focus sessions, file touches, agent claims — on this device. Local. Askable. Honest about what it actually saw.

Install Kairos See how Ask works

The status quo

Your computer has amnesia. Your agents answer to no one.

The day forgot itself

Something broke. You guess. You restart.

You lived Tuesday. Nothing kept the thread.

Agents write without a ledger

They edit files while you are away.

They say they finished. Nobody checked.

What Kairos is

A private journal of what unfolded on this machine.

Focus sessions. File touches. Agent claims. One timeline. Every entry is what the machine observed — not a summary, not a screen recording, not a cloud sync.

  • App focus
  • File touch
  • Agent claim

Try Ask (demonstration — not your machine)

Ask what did I work on after lunch?

Matched 3 journal moments in that window

You were mainly in Cursor (52m), then edited brief.md, then an agent reported a draft claim.

Built for the agent era

Your agents say they did the work. Kairos checks.

Every previous layer of the personal computer assumed actions had human authors. AI agents break that assumption.

Kairos gives agents a place to log claims — and grades each one against what the machine observed. Ask “what did the agent do while I was gone?” and get the graded record.

14:02 Agent · refactored server.cpp Corroborated
14:31 Agent · updated the docs Reported
15:10 Agent · “fixed all tests” Disputed

Grades from matching local file activity — honest, not theatrical.

After Kairos

Who you become

  • “What was I doing Tuesday?” is a question with an answer.
  • Agent claims have grades — not vibes.
  • When the machine feels wrong, the nearby thread is still there.

Closest analogy isn’t a debugger. It’s a filesystem for causality. Read the vision →

When the machine feels wrong, the chain is usually already gone

Kairos still has the nearby thread — what you were in, what hung, what spiked. Vitals are observed live. It never invents hours of CPU history it did not store.

Trust through constraint

What Kairos refuses

  • Cloud your day
  • Read your words
  • Interrupt for attention
  • Demand an account to start
  • Overclaim certainty
  • Sell the ledger
  • Mac · Windows · LinuxSame journal on every OS — Windows ships x64 and ARM64.
  • Export or wipeYour data stays on this machine. Kairos itself is proprietary software.
  • Verify what you downloadEd25519-signed releases — verify.html.

Get started

One command. No account. 21 days free.

Then a small monthly contribution if it earns a place in your day. Wipeable anytime.

    After the trial

    Continue when you’re ready

    Nothing is owed during the trial. If Kairos stays, continue below.

    $1/month

    Priced for your region · billed monthly · cancel anytime

    How checkout works
    1. Install Kairos and open Settings → Subscription.
    2. Copy your Kairos ID, then continue below.
    3. After checkout, paste the license key back into Settings.