Simile is now Harborr
Now in Private Beta

Find bugs before your users
tweet about them

A software QA suite powered by computer use agents that actually test your product.

An extra pair of eyes that never blinks

Runs your site, sees what users see, and reasons through every step. Pass or fail — all in the trace.

Computer use agentnetfliks.com
Running...
N
Netfliks

Continue watching

Stranger ClicksS3 E4

The Crown of ClicksS2 E1

Squid TestS1 E9

Trending now

House of Tests

Breaking Tests

Bug of Thrones

The Watcher

Agent trace
1. Navigate
2. Observe
3. Evaluate
Thinking

Navigating to netfliks.com. I need to verify the Continue Watching row persists across sessions.

navigate

Test Suites Built Around How Users Actually Behave

See each flow's status, history, and what needs attention at a glance

Netfliks
Healthy
browseBrowse
3 tests
Continue watching persists across sessions
100%
Recommendations load based on watch history
100%
Category filters narrow content
100%
playbackPlayback
3 tests
Resume from last watched position
100%
Play and pause toggle correctly
100%
Quality switch updates stream
100%
profilesProfiles
2 tests
queueMy List
2 tests
NSEW

Start with a URL. We handle the rest.

Harborr explores your app, understands its flows, generates intelligent tests, and surfaces real bugs on its own.

Netfliks timeline
2
4
4
1
Live
Explore
Discover
Run tests
Learn
Start2m5mDone

Dock Harborr to Linear, Notion, or Jira

Every bug arrives with context, replay, and root cause. A coding agent prepares the patch. You sign off and it's smooth sailing.

Connect to Your Project Management System

Linear logoLinear
Notion logoNotion
Jira logoJira
GitHub logoGitHub
Bug report

Resume position fails— Playback feature, netfliks.com

  • Navigate to /home, click Stranger Clicks
  • Pause at 42%, refresh page
  • Expected: resume at 42%. Actual: starts from 0%
One-shot fix

A coding agent reads the bug report, locates the issue, and proposes a fix. Review, approve, and deploy. No context switching.

Syncs to Linear, Notion, Jira
Executes smoothly in your workflow

Your users are about to find a bug.

Beat them to it.

Free during beta. No credit card required.