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SKILL verified MIT Self-run

Dismiss Newsletter Popup

skill-bettyguo-browser-skills-dismiss-newsletter-popup · by bettyguo

Dismisses newsletter / "subscribe" / "sign up for emails" popups that appear after a short delay or scroll trigger on content sites.

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Install

$ agentstack add skill-bettyguo-browser-skills-dismiss-newsletter-popup

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed
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● 2mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

Dismiss Newsletter Popup

When to invoke

After a few seconds on a content site (news, blogs, retail), a popup appears offering a newsletter signup. The dismiss controls are typically: a small "x" in the corner, a "no thanks" link, or pressing Escape.

The matcher fires this skill when the DOM contains a newsletter marker and the page is not in initial-load (these popups typically appear after a delay).

Recipe

  1. waitfordom_ready timeout=2s
  2. wait extra=200ms
  3. try_each selectors=[

"[class='newsletter' i] button[aria-label='close' i]", "[id='newsletter' i] button[aria-label='close' i]", "[class='subscribe' i] button[aria-label='close' i]", "[class='newsletter' i] button:has-text('No thanks')", "[class='subscribe' i] button:has-text('No thanks')", "[class='newsletter' i] button:has-text('Maybe later')", "button.newsletter-dismiss", "button.email-signup-close", "[data-testid='newsletter-close']", "[data-testid*='email-signup-close']", ] action=click on_success=stop timeout=1000ms

  1. press_key key=Escape

Success criteria

  • assert novisibleelement selector="[class*='newsletter' i][role='dialog']" OR nochangewas_needed

When NOT to use

  • The user explicitly wants to subscribe — don't auto-dismiss.

Known failures

  • Popups that block scroll until interacted with: Escape doesn't always close them; the close button is small and unlabeled. Vision fallback for these.
  • Popups inside cross-origin iframes: can't be clicked through Playwright's default context.
  • Multiple newsletter popups stacked: v0.1 dismisses one; agent re-invokes for the next.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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