peek

Visual verification for AI agents

localhost:3000
✓ overflow: none
⚠ touch target: 32px < 44px
✓ visible: 100%
✓ clickable
npm install -g peek Docs
01

Browser Pooling

Persistent Chrome instance across invocations for ~4x faster warm starts without resource overhead per agent.

02

Layout Verification

6 automated layout checks — overflow, clickability, touch targets, visibility, text-overflow, and viewport compliance.

03

Native App Support

Capture macOS native application windows using ScreenCaptureKit alongside web URL screenshots.

$ peek snap https://myapp.dev --width 1280
/tmp/peek/snap-a3f2.png
$ peek check https://myapp.dev
✓ overflow: none
✓ visibility: 100%
⚠ touch-target: 2 elements below 44px

See what your agents see.

Get Started