kostja94/newsletter-signup-generator
skills/components/conversion/newsletter-signup/SKILL.md
When the user wants to design, optimize, or audit newsletter signup forms. Also use when the user mentions "newsletter," "email signup," "subscribe form," "email capture," "lead magnet," "newsletter form," "email opt-in," "subscribe CTA," "newsletter signup," or "email list building." For email strategy, use email-marketing.
$ install --global
skillsauthnpx skillsauth add kostja94/marketing-skills newsletter-signup-generatorInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 24, 2026, 6:31 PM125.0s1 file scanned
SKILL.md
- name:
- newsletter-signup-generator
- description:
- When the user wants to design, optimize, or audit newsletter signup forms. Also use when the user mentions "newsletter," "email signup," "subscribe form," "email capture," "lead magnet," "newsletter form," "email opt-in," "subscribe CTA," "newsletter signup," or "email list building." For email strategy, use email-marketing.
- version:
- 1.0.1
Components: Newsletter Signup
Guides newsletter signup form design for list growth. Email subscribers spend 138% more than non-subscribers; top popups convert at 23%+.
When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.
Initial Assessment
Check for project context first: If .claude/project-context.md or .cursor/project-context.md exists, read it for audience and value proposition.
Identify:
- Placement: Header, footer, popup, inline, sidebar
- Incentive: What subscribers receive
- Platform: Web, mobile, both
Form Design
Minimal Fields
- Email only when possible; highest conversion
- Add name only if needed for personalization
- Wrong number of fields significantly impacts conversion
Value Proposition
- Clear: what subscribers receive, how often
- Transparent: avoid disappointing subscribers
- Incentive: lead magnet, discount, exclusive content
Visual Design
- Clearly clickable submit button
- Mobile-first; responsive layout
- Appropriate input types (e.g.,
type="email"for mobile keyboards) - Trust marks or security indicators
Placement
| Placement | Best For | Pros | Cons | |-----------|----------|------|------| | Header | High visibility | Always visible | Limited space | | Footer | Secondary capture | Non-intrusive | Lower visibility | | Footer bar | Persistent | Sticky | Can annoy | | Popup | High intent | High conversion | Intrusive | | Inline | Content pages | Contextual | Depends on scroll |
- Avoid hiding forms behind unclicked buttons/links
- Don't place competing forms nearby
Accessibility
| Requirement | Practice |
|-------------|----------|
| Labels | <label> for each input; for/id association |
| Placeholders | Don't replace labels; supplement only |
| Error messages | Clear, associated with field |
| Keyboard | Full tab order; submit via Enter |
| Touch targets | ≥44×44px for submit button |
Technical
- Validation: Client-side; server-side required
- Privacy: Link to privacy policy; GDPR/CCPA compliance
- Double opt-in: When required by jurisdiction or best practice
Output Format
- Form structure (fields, copy)
- Placement recommendation
- Value proposition suggestions
- Accessibility checklist
Related Skills
- signup-login-page-generator: Full account signup; form design principles apply
- landing-page-generator: Lead capture landing page contains signup form; LP exchanges value for email
- email-marketing: Full email marketing strategy; EDM, newsletter, deliverability, content types
- footer-generator: Footer often hosts signup forms
- cta-generator: Submit button is a CTA
- trust-badges-generator: Trust marks near form
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