agent-browser screenshot --if-changed skips unchanged captures

Introduced 2026-09-16 · score 0.96

HOW TO USE IT

When checking whether a page changed between captures, run `agent-browser screenshot --if-changed`; add `--threshold <0-1>` to treat small pixel changes as unchanged.

WHY THIS HELPS

When checking whether a page changed between captures, take a conditional screenshot and tolerate small pixel differences if needed.

REQUIREMENTS AND LIMITATIONS

• Version: v0.38.0
• --if-changed: Skip unchanged captures. Conditional history is isolated by tab and capture scope.
• --threshold <0-1>: Maximum changed-pixel ratio treated as unchanged; implies `--if-changed`.
• Screenshot history is scoped to each tab and capture mode.
• Unchanged captures omit the image path.

FIRST-PARTY EVIDENCE

• https://github.com/vercel-labs/agent-browser/releases/tag/v0.38.0
• https://github.com/vercel-labs/agent-browser/blob/v0.38.0/skill-data/core/references/commands.md

Check the installed version and the source before using it. Entry JSON

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