sales-skills/sales-audience-growth
skills/sales-audience-growth/SKILL.md
Grows an email list or newsletter audience — lead magnets, content upgrades, cross-promotion, referral programs, social-to-email conversion, SEO-to-email, viral loops, opt-in optimization. Use when subscriber growth has stalled, lead magnets aren't converting, referral program isn't driving signups, opt-in forms have low conversion rates, or social followers aren't joining your email list. Do NOT use for sending emails to your list (use /sales-email-marketing), monetizing your newsletter (use /sales-newsletter), or platform-specific setup (use /sales-kit, /sales-mailchimp, etc.).
$ install --global
skillsauthnpx skillsauth add sales-skills/sales sales-audience-growthInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- sales-audience-growth
- description:
- Grows an email list or newsletter audience — lead magnets, content upgrades, cross-promotion, referral programs, social-to-email conversion, SEO-to-email, viral loops, opt-in optimization. Use when subscriber growth has stalled, lead magnets aren't converting, referral program isn't driving signups, opt-in forms have low conversion rates, or social followers aren't joining your email list. Do NOT use for sending emails to your list (use /sales-email-marketing), monetizing your newsletter (use /sales-newsletter), or platform-specific setup (use /sales-kit, /sales-mailchimp, etc.).
- argument-hint:
- [describe your audience growth question or goal]
- license:
- MIT
- version:
- 1.0.0
- tags:
- [sales, audience, lead-magnet, list-building, growth]
Audience Growth
Help the user grow their email list or newsletter audience — lead magnets, content upgrades, cross-promotion networks, referral programs, social-to-email funnels, SEO-to-email capture, and opt-in optimization. This skill is tool-agnostic but includes platform-specific guidance.
Step 1 — Gather context
If references/learnings.md exists, read it first for accumulated knowledge.
Ask the user:
-
Where are you now?
- A) Starting from zero — building a list for the first time
- B) Under 1,000 subscribers — early traction
- C) 1,000–10,000 subscribers — growing steadily
- D) 10,000+ subscribers — optimizing and scaling
-
What growth channels are you using (or want to use)?
- A) Organic content (blog, SEO, YouTube, podcast)
- B) Social media (Twitter/X, LinkedIn, Instagram, TikTok)
- C) Cross-promotion with other newsletters/creators
- D) Paid ads (Meta, Google, Twitter, sponsor swaps)
- E) Referral programs (subscribers recruit subscribers)
- F) Lead magnets / content upgrades
- G) Not sure — help me pick
-
What's your niche/topic? (helps tailor lead magnet and channel advice)
Step 2 — Strategy and approach
Growth channels ranked by cost and effort
| Channel | Cost | Effort | Speed | Best for | |---|---|---|---|---| | Lead magnets | Free–Low | Medium | Medium | Converting existing traffic | | Content upgrades | Free | Medium | Medium | Blog/SEO traffic | | Cross-promotion | Free | Low | Medium | 1K+ subscribers | | Referral programs | Low | Low (after setup) | Slow–Medium | Engaged audiences | | Social → email | Free | High (ongoing) | Slow | Audience on social already | | SEO → email | Free | High (upfront) | Slow | Long-term compounding | | Paid ads | $$$ | Low–Medium | Fast | Scaling a proven funnel | | Guest posts / podcasts | Free | High | Slow | Authority building |
Lead magnets that convert
High-converting formats (10–50% opt-in rates):
- Checklists & cheat sheets — one-page, immediately useful
- Templates & swipe files — ready to use, saves time
- Mini-courses (3–5 email lessons) — builds habit of opening
- Quizzes — interactive, personalized result requires email
- Free tools / calculators — ongoing value, bookmarked and shared
Medium-converting formats (3–10%):
- Ebooks / guides — comprehensive but higher commitment to consume
- Webinar replays — time-gated urgency helps
- Resource lists / toolkits — curated recommendations
Low-converting formats (1–3%):
- "Subscribe to my newsletter" — no specific value prop
- Generic "get updates" — worst performing CTA
Opt-in form optimization
Placement (in order of conversion rate):
- Exit-intent popup — 2–5% conversion, catches leaving visitors
- Inline within content — 1–5%, contextually relevant
- Sticky bar — 0.5–2%, persistent visibility
- Sidebar widget — 0.5–1%, familiar but often ignored
- Footer — 0.2–0.5%, last resort
Copy formula:
- Headline: State the specific outcome ("Get the 10-step checklist to...")
- Subheadline: Address objection or add specificity ("Used by 500+ creators")
- CTA button: Action-oriented, specific ("Send me the checklist" > "Subscribe")
- Social proof: Subscriber count, testimonials, logos
Cross-promotion strategy
- Newsletter swaps: You promote their newsletter, they promote yours (free, mutual)
- Paid recommendations: Other newsletters get paid to recommend you ($1–$5/subscriber)
- Co-created content: Joint webinar, guide, or resource with cross-promotion
- How to find partners: Similar niche, similar size (0.5x–2x your list), non-competing
Referral program design
Reward tiers (proven structure): | Referrals | Reward | |---|---| | 1 | Exclusive content / bonus resource | | 3 | Access to community or archive | | 5 | Physical merch (stickers, mug) | | 10 | Premium tier access / 1-on-1 call | | 25 | Featured in newsletter / lifetime premium |
Keys to success:
- Make sharing effortless (pre-written tweet, copy-paste link)
- Show progress (leaderboard, progress bar)
- Rewards should be desirable but not so expensive they attract gaming
- Fraud prevention: Referral programs are susceptible to fake signups, bot traffic, and self-referral abuse. Prevention strategies: require double opt-in for referred subscribers, verify referred email engagement (opens/clicks) before awarding rewards, set a minimum engagement window (e.g., subscriber must open at least 1 email within 14 days), block disposable email domains, monitor for suspicious patterns (same IP, rapid-fire signups, identical referrer chains), and review top referrers manually. Track 30-day retention of referred subscribers — if a referral source shows >50% unsubscribe rate, investigate or block it
Social-to-email conversion
Twitter/X → email:
- Pin a tweet with your lead magnet link
- End high-performing threads with "Get the full breakdown in my newsletter: [link]"
- Use newsletter content as tweet threads → funnel interested readers
LinkedIn → email:
- Post native content with CTA in first comment (not in post — LinkedIn deprioritizes external links)
- Create carousel posts → "Download the full version: [link in comments]"
YouTube → email:
- Mention lead magnet in video with verbal CTA
- Link in video description + pinned comment
- Create a dedicated landing page for each video's audience
Podcast → email:
- Dedicated landing page per episode (easy-to-say URL)
- Offer episode-specific bonus content as lead magnet
Step 3 — Platform-specific guidance
For platform-specific audience growth features (Kit, Beehiiv, SparkLoop, Mailchimp, Substack, Omnisend, ActiveCampaign, GetResponse, Unbounce, Leadpages, Ghost, ZoomInfo FormComplete, Clearbit, SendPulse, AdRoll, Lettergrowth, Collab Match, InboxReads, MutualGro, ReferralKit, ReferralHero, KickoffLabs, UpViral, Refind, Customers.ai, etc.), see references/platforms.md.
Step 4 — Actionable guidance
Quick-start plan by stage
0–500 subscribers:
- Create one high-value lead magnet (checklist or template)
- Build a dedicated landing page
- Share on 1–2 social channels consistently
- Add opt-in form to your website (inline + exit-intent)
- Goal: 50–100 subscribers/month
500–2,000 subscribers:
- Add a content upgrade to your 3 best-performing pages/posts
- Start cross-promoting with 2–3 similar-sized newsletters
- Optimize opt-in copy (A/B test headlines and CTAs)
- Add social proof to forms (subscriber count if >500)
- Goal: 100–300 subscribers/month
2,000–10,000 subscribers:
- Launch a referral program with 3–4 reward tiers
- Join paid recommendation networks (Kit Creator Recs, SparkLoop, Beehiiv Boosts)
- Create a second lead magnet for a different audience segment
- Test paid acquisition on one channel ($5–$10/day)
- Goal: 500–1,500 subscribers/month
10,000+ subscribers:
- Scale paid recommendations (increase budget per subscriber)
- Invest in SEO content that drives email opt-ins
- Launch an ambassador/affiliate program for super-fans
- Negotiate direct newsletter swaps with larger publications
- Goal: 2,000–5,000+ subscribers/month
Measuring growth
| Metric | What it tells you | Good benchmark | |---|---|---| | Opt-in rate | Landing page / form effectiveness | 20–40% (landing page), 1–5% (inline) | | Cost per subscriber | Paid acquisition efficiency | $1–$3 (recommendations), $2–$8 (ads) | | Referral rate | How many subscribers refer others | 5–15% participate | | Growth rate | Month-over-month list growth | 10–20% monthly | | Unsubscribe rate | Content quality signal | <0.5% per email |
Gotchas
-
"Subscribe to my newsletter" is the worst CTA — always offer something specific (checklist, template, mini-course). Generic CTAs convert 3–5x worse than specific lead magnets.
-
Double opt-in kills conversion but helps deliverability — disabling it can boost signups 10–20% but increases spam complaints and hurts sender reputation. Keep it on if deliverability matters more than raw numbers.
-
Referral programs need 2K+ subscribers to work — below that, there aren't enough participants to generate meaningful viral growth. Start with other channels first.
-
Paid recommendations have quality variance — not all $2 subscribers are equal. Track 30-day retention of recommendation-sourced subscribers. Drop sources where >50% unsubscribe within 30 days.
-
Social followers ≠ email subscribers — converting social to email is slow (typically 0.5–2% of followers opt in). Don't count on social alone for list growth.
- Self-improving: If you discover something not covered here, append it to
references/learnings.mdwith today's date.
Before recommending a specific platform skill
This skill covers a strategy domain across many platforms. Before pointing the user to any specific platform skill (any /sales-{platform} listed in ## Related skills, e.g., /sales-mailshake, /sales-klaviyo, /sales-apollo), read that platform skill's actual SKILL.md first. The 1-line description in ## Related skills is enough to identify a candidate — it's not enough to commit to it or to write a prompt that invokes it well.
How to read it:
- If
~/.claude/skills/{skill-name}/SKILL.mdexists locally,Readit. - For
sales-*skills,WebFetchdirectly from this repo:https://raw.githubusercontent.com/sales-skills/sales/main/skills/{skill-name}/SKILL.md— e.g., forsales-mailshake:https://raw.githubusercontent.com/sales-skills/sales/main/skills/sales-mailshake/SKILL.md. - For non-
sales-*skills (third-party), look up{org}/{repo}in~/.claude/skills/sales-do/references/skill-sources.mdif installed and fetch the sameskills/{skill-name}/SKILL.mdpath under that repo.
After reading, ground your recommendation in something concrete from the SKILL.md (its scope, a sub-flow, its argument-hint shape, or a "Do NOT use for..." negative trigger). Align any generated invocation with the platform skill's argument-hint. If the platform skill turns out not to fit the user's situation, swap to another or handle the question here directly rather than recommending a poor fit.
Related skills
/sales-email-marketing— Email marketing strategy (what to send once you have subscribers)/sales-newsletter— Newsletter monetization (making money from your list)/sales-digital-products— Selling digital products (ebooks, courses, templates)/sales-funnel— Funnel strategy (landing page and conversion optimization)/sales-kit— Kit platform help (Kit-specific setup)/sales-mailchimp— Mailchimp platform help/sales-getresponse— GetResponse platform help/sales-activecampaign— ActiveCampaign platform help/sales-omnisend— Omnisend platform help (popups, forms, Wheel of Fortune for ecommerce)/sales-unbounce— Unbounce platform help (landing pages, Smart Traffic AI, popups, sticky bars, A/B testing, DTR)/sales-leadpages— Leadpages platform help (landing pages, pop-ups, alert bars, Leadmeter, A/B testing)/sales-sendpulse— SendPulse platform help (pop-ups, subscription forms, multi-channel follow-up)/sales-clearbit— Clearbit platform help (form shortening, enrichment, Autocomplete API)/sales-zoominfo— ZoomInfo platform help (FormComplete, WebSights)/sales-adroll— AdRoll platform help (retargeting for list growth, lookalike audiences, ecommerce integration)/sales-buttondown— Buttondown platform help (newsletter publishing, paid subscriptions, Markdown, API, CLI)/sales-ghost— Ghost platform help (publishing, newsletters, memberships, Stripe, Mailgun, API, migration)/sales-beehiiv— Beehiiv platform help (publishing, growth, monetization, ad network, API)/sales-lettergrowth— Lettergrowth platform help (free cross-promotion directory, 1,300+ newsletters, partner discovery)/sales-collabmatch— Collab Match platform help (niche cross-promotion directory, ~200 newsletters, Web3/tech skew, weekly matching)/sales-inboxreads— InboxReads platform help (5,600+ newsletter directory, 1-click cross-promo swaps, Opportunities Board, Live Media Kits, ad pricing suggestions, free/$8-58/mo)/sales-mutualgro— MutualGro platform help (creator collaboration with AI partner matching, scheduled X/LinkedIn posting, accepts non-newsletter projects, free/£3.99/mo)/sales-referralkit— ReferralKit platform help (no-code newsletter referral program by Copyhackers, merge-tag-driven, milestone rewards, free for first 10K leads, Mailchimp/Kit/MailerLite/AWeber ESPs)/sales-referralhero— ReferralHero platform help (full-stack referral/affiliate/waitlist/contest with REST API, webhooks, Zapier, multi-level referrals, coupon groups, 6 native ESPs, PRO $199/mo and PREMIUM $399/mo)/sales-kickofflabs— KickoffLabs platform help (viral waitlists, bonus-entry giveaways, milestone rewards, leaderboard giveaways with v1+v2 REST API, structured fraud webhooks, AnyForm + KOL.js, $13/mo Hobby to $202/mo Enterprise annual)/sales-upviral— UpViral platform help (viral sweepstakes, giveaways, waiting lists, milestone referral programs with REST API + Callback-URL webhooks, IP-based fraud detection, A/B testing; API gated to Business $119/mo annual+, Starter $79/mo has no API)/sales-refind— Refind platform help (CPA-based newsletter ad network, 488K curated readers, cross-promotion, publisher earning)/sales-retargeting— Retargeting strategy (using ads to drive visitors back to signup pages)/sales-b2b-advertising— account-based advertising (WebSights feeds retargeting audiences)/sales-do— Not sure which skill to use? The router matches any sales objective to the right skill. Install:npx skills add sales-skills/sales --skill sales-do
Examples
Example 1: First lead magnet
User says: "I write a newsletter about productivity for remote workers. How do I grow my list?" Skill does: Recommends a "Remote Work Productivity Checklist" lead magnet, suggests a Kit landing page + exit-intent popup on their blog, provides opt-in copy formula, and outlines a 0–500 growth plan Result: User has a lead magnet, landing page strategy, and month-by-month growth plan
Example 2: Referral program setup
User says: "I have 5,000 subscribers and want to set up a referral program" Skill does: Designs a 4-tier reward structure, recommends Kit's built-in referral system (Pro plan) or SparkLoop as alternatives, provides sharing templates and fraud prevention tips Result: User has a referral program blueprint ready to implement
Example 3: Social-to-email strategy
User says: "I have 15K Twitter followers but only 800 email subscribers. How do I convert them?" Skill does: Creates a Twitter → email playbook: pin tweet with lead magnet, thread-to-newsletter funnel, profile link optimization, and weekly cadence of conversion CTAs Result: User has a systematic approach to converting Twitter audience to email subscribers
Troubleshooting
Opt-in rates are low (<1%)
Symptom: Landing page or form gets traffic but few sign-ups Cause: Weak value prop, generic CTA, or form asks for too much info Solution: Make the lead magnet more specific and immediately useful. Use only email field (no name). A/B test headline copy. Add social proof. Try a different form type (popup vs inline).
Referral program has low participation
Symptom: Referral program launched but <2% of subscribers participate Cause: Rewards aren't compelling, sharing is too hard, or subscribers don't know about it Solution: Mention the referral program in every email (footer or dedicated section). Provide pre-written share text. Make the first reward tier achievable (1 referral). Show a progress bar.
Subscriber quality is low from paid channels
Symptom: Growing fast via paid recommendations but engagement dropping Cause: Acquired subscribers aren't genuinely interested in your content Solution: Track 30-day and 60-day retention by acquisition source. Cut sources where >40% unsubscribe within 60 days. Tighten targeting or switch to higher-quality (but more expensive) channels.
Related Skills
sales-skills/sales-upviral
tools
VerifiedTrustedCommunity
UpViral platform help — viral referral marketing and list-building platform (by Emarky) for viral sweepstakes, giveaway/reward campaigns, pre-launch waiting lists, and milestone referral programs, with REST API (app.upviral.com/api/v1/), callback-URL webhooks, PHP SDK, fraud detection (IP-based suspicious-referral flagging), A/B testing, smart leaderboards, unlockable incentives, and 30+ native ESP/CRM integrations (Mailchimp, ActiveCampaign, ConvertKit, AWeber, HubSpot, Klaviyo, Intercom) plus Zapier/Make/Pipedream/Integrately/Pabbly. Use when UpViral campaigns aren't tracking referral points correctly, deciding between Starter $79/mo annual (10K leads, 1 brand, NO API) vs Business $119/mo (25K, 2 brands, API + webhooks unlocked) vs Premium $319/mo (100K, 5 brands, dedicated account manager), the API returns errors because you're on the Starter tier where API/webhooks are gated, building an UpViral→CRM or UpViral→data-warehouse pipeline with add_contact / get_leads / get_leads_points / add_points / get_custom_fields / lists methods (uvapikey + uvmethod form-encoded POST), interpreting fraud flags where same-IP referrals get marked suspicious and you must manually activate/delete/blacklist, setting up the Callback URL (webhook) to fire on reward-unlock events, Zapier New Lead / New Reward Unlocked triggers not firing, ClickFunnels/Shopify/funnel-builder integration breaking, the drag-and-drop page builder showing broken widgets or limited customization, the setup feeling long and complicated for your first campaign, or picking UpViral over Viral Loops / KickoffLabs / Vyper / Prefinery / Gleam / KingSumo / ShortStack for a viral campaign. Do NOT use for general newsletter audience growth strategy across all platforms (use /sales-audience-growth), newsletter monetization (use /sales-newsletter), KickoffLabs-specific help (use /sales-kickofflabs), no-code merge-tag newsletter referrals (use /sales-referralkit), SparkLoop paid recommendations (use /sales-sparkloop), or full-stack multi-level Level-1/2/3 referral/affiliate tracking (use /sales-referralhero).
39SKILL.mdUpdated Jun 4, 2026
sales-skills/sales-referralhero
development
VerifiedTrustedCommunity
ReferralHero platform help — full-stack referral, affiliate, waitlist, contest, and NPS platform with subscriber API, webhooks, Zapier, Mailchimp/Kit/AWeber/Klaviyo/ActiveCampaign/SendLane connectors, coupon codes, multi-level referral tracking (Level 1/2/3), anti-fraud, and 5,000 calls/hour rate limit. Use when ReferralHero campaigns aren't tracking referrals correctly, deciding between PRO $199/mo (10K members, includes API + webhooks) and PREMIUM $399/mo (50K members, adds ReCaptcha + SMS verification), authentication is failing with no_token or X-API-Key header is being ignored, multi-level referral counts (Level 2/3) aren't appearing for downline subscribers, coupon group endpoints return 404 or coupon arrays max out, hitting the 5,000 calls/hour soft limit and getting too_many_calls 429s, the Mailchimp/Kit native integration is double-adding subscribers, webhook payloads aren't firing on confirmation events, importing Stripe customer IDs through transaction tracking, generating reward fulfillment when subscribers cross milestone thresholds (promote/unlock_promoted_reward), comparing ReferralHero against SparkLoop/ReferralKit/Viral Loops/GrowSurf/KickoffLabs for referral marketing, or routing referral data via add_bulk_transactions (500-transaction batch limit). Do NOT use for general newsletter audience growth strategy (use /sales-audience-growth), general newsletter monetization (use /sales-newsletter), no-code newsletter-only referral with merge-tag insertion (use /sales-referralkit), SparkLoop's paid recommendations or partner network (use /sales-sparkloop), or affiliate program strategy across many platforms (use /sales-affiliate-program).
39SKILL.mdUpdated Jun 4, 2026
sales-skills/sales-kickofflabs
tools
VerifiedTrustedCommunity
KickoffLabs platform help — viral marketing platform for pre-launch waitlists, bonus-entry giveaways, milestone-reward referral programs, leaderboard giveaways, and email opt-in bribes with REST API v1 + v2, server-side webhooks (in/out), KOL.js JavaScript library, AnyForm script for custom pages, fraud detection (duplicate_ip / bounced / duplidate_email flags), SMS verification add-on, native ESP integrations (Klaviyo, Mailchimp, ActiveCampaign, Brevo), website builders (Webflow, Wix, Squarespace, Weebly), Shopify, Facebook Audiences, Slack, Zapier. Use when KickoffLabs viral campaigns aren't tracking referrals correctly, deciding between Hobby $13/mo annual (500 leads/mo no A/B no reward emails) vs Premium $48/mo (2.5K + A/B + reward emails + tracking pixels) vs Business $99/mo (10K + custom email templates + custom domains + advanced reporting + 3 team) vs Enterprise $202/mo (25K + 5 team + SMS included), API key getting rejected because you embedded it in client-side JavaScript instead of server-side, can't decide whether to use v1 /subscribe vs v2 /tags/:TAG_ID/lead for lead creation, webhook payloads firing with `__fraudulent` flag and you need to interpret the duplicate_ip/bounced/duplidate_email reason codes (yes, duplidate is spelled that way in their docs), AnyForm script not posting to KickoffLabs vs native API endpoint, leaderboard endpoint returning more than 50 leads is not allowed, social_id (kid in share URLs) attribution chain breaking between v1 and v2, contest score vs lead count metrics in the webhook payload are confusing, SMS Verification only available on Premium+ as $50/mo add-on (Enterprise includes), per-month lead cap auto-upgrades at $8 per 1000 overage leads, picking between KickoffLabs and Viral Loops / UpViral / Prefinery / ReferralCandy / Voucherify for viral campaign type fit, or rate limit per tier (10-100 calls/minute) is hitting on bulk imports. Do NOT use for general newsletter audience growth strategy (use /sales-audience-growth), general newsletter monetization (use /sales-newsletter), no-code merge-tag-only newsletter referrals (use /sales-referralkit), SparkLoop paid recommendations + partner network (use /sales-sparkloop), or full-stack referral/affiliate with multi-level Level-1/2/3 tracking (use /sales-referralhero).
39SKILL.mdUpdated Jun 4, 2026
sales-skills/sales-do
development
VerifiedTrustedCommunity
Routes any sales, marketing, ad, or GTM objective to the right specialized skill and outputs the install command for that skill plus a ready-to-paste prompt packed with the user's context. Asks clarifying questions when the objective is ambiguous, then hands back a copy-paste-runnable next step. Covers prospecting, outbound cadences, deals, proposals, forecasting, deliverability, enrichment, intent, content, coaching, CRO, SEO, launch directories, newsletters, email/SMS/push marketing, chatbots, influencer marketing, social media, employee advocacy, media relations, reviews, data hygiene, B2B advertising, retargeting, affiliate, loyalty, digital products, memberships, webinars, checkout, and platform-specific help. Use when the user has a sales or marketing question and isn't sure which skill to use, or wants a multi-skill sequence with a batch install command. Do NOT use to solve problems directly — this skill only routes.
39SKILL.mdUpdated Apr 24, 2026