mcpbeat

Newsletter Signup Generator

kostja94/newsletter-signup-generator

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.

841 tokens
context cost
the whole folder, loaded on every use
1
files
instructions only
0
copies elsewhere
how many repositories repackaged it
836
stars on the repo
on the repository, not the skill itself

Install

one command, takes just this skill from the repository 
npx skills add https://github.com/kostja94/marketing-skills --skill newsletter-signup-generator

The instruction itself

11 sections, as written by the author

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

How to use it

Copy the folder

Take kostja94/newsletter-signup-generator from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.