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Every time I see something is ‘quietly happening’ or ‘this isn’t just X–it’s Y’, I consider throwing my laptop out the window. AI content seems to backfire more than it helps.
I write every edition of Growth Unhinged, and don’t see that changing. But I have found ways to use AI to genuinely help me write better while saving multiple hours each week.
For the past several months I’ve been turning five years of writing Growth Unhinged into targeted Claude skills, i.e. curated instructions and resources that train AI models to produce better, more personal outputs. One skill edits my content with fact-checks, link audits, SEO titles, and a style guide trained to my voice. Another punches up my LinkedIn posts based on known best practices from my own experience and a creator masterclass hosted by LinkedIn. A third gives me data-driven growth advice to reach more subscribers.
I previously shared my favorite Claude skills for GTM and pricing analysis. Today I’m releasing four new skills for content editing, LinkedIn posts, improved SEO, and newsletter growth.
How to use content skills in Claude
Running the skill files is pretty straightforward. I believe you can even use them on the free version of Claude. Here are step-by-step instructions:
Step 1: Download the skill files below. These four are free for readers.
Step 2: Upload them to Claude.
Install skill files in Claude Chat or the desktop app — Go to Customize → Skills → Create skill → Upload a skill → Attach the files above.
Step 3: Start using them.
You can directly reference the skill in the prompt bar by tagging the file name or Claude will suggest the skill if it’s relevant for your prompt. These skills are platform-agnostic; however, they’re especially seamless if you connect the beehiiv MCP. (beehiiv was a first-mover here and their MCP v2 is now GA for all users.)
Step 4: Make the skills yours.
The magic of skills is customizing them to your business context and personal preferences. When you give Claude feedback on the outputs, you can also ask it to edit the skill file accordingly.
/content-editor skill for editorial reviews
Use case
Full pre-publish editorial review for newsletter drafts, blogs, reports, or any other written content (without losing your flair).
Why it matters
It’s nearly impossible to edit yourself. Most people (myself included) benefit from having a sparring partner who looks at your writing with a fresh pair of eyes. This is a generic use case; however, the skill adapts to the writer and their unique voice.
What it does
It creates a style guide (or connects to an existing one), fact checks claims via web search, reviews the grammar and flow, suggests titles and sub-titles, and writes SEO titles and meta descriptions. The output is a marked up Word doc.
Pro-tip
Pair this with a separate style guide trained on your specific voice. It’s simple: just feed your best-hit content directly into Claude and ask it to create a style guide. This is a huge help whether you use the editing skill or not.
It’s nearly impossible for me to edit myself. I have a bad habit of being long-winded, using too much jargon, and running out of steam at the end of the newsletter. And I HATE doing routine tasks like writing an SEO description, optimizing internal links, and fact-checking myself.
My new writing process: time-box my writing to 2-3 hours, then edit it with Claude. I ran the skill on an (admittedly shitty) first draft of this piece and its edits were brutally honest.
Prompt: Run the /content-editor skill on this piece: [LINK]. I especially need help with the title (email subject line), sub-title, intro, and wrap-up.
Claude hated my title and recommended three alternatives. I went with the first recommendation (what do you think?) but tweaked the suggested sub-title.
It ripped apart my introduction as being too passive and process-y. While I didn’t accept the AI rewrites as-is, it was a good push to try a different angle.
Claude told me that the ending “reads like a manifesto, not Kyle’s voice” (LOL). I did rewrite that and you’ll have to scroll to the end to see if it’s any good 😉.
What I like about this skill is that it has the critical and objective eye of a good editor. The back-and-forth creates tension that ultimately improves the final product. All told, this skill alone probably saves me 1-2 hours every week and (I think) improves my writing quality.
📄 Get the skill: content-editor skill
/linkedin-punch-up skill for better LinkedIn posts
Use case
You've written a LinkedIn draft but aren't sure if it's ready to post. This will check if the opening feels weak, the hook is vague, or it just isn't landing the way you wanted.
Why it matters
LinkedIn is the single largest gathering place for B2B buyers, and it doesn’t need to cost anything besides your time. Great content can still reach a big audience even if you don’t already have an established brand, massive following, or a ton of money. Yet most people are using it wrong and then get frustrated that their posts get near-zero engagement.
What it does
It reviews your draft through four editorial lenses: (1) credibility in the opening, (2) topicality, (3) one clear main idea, and (4) a dense (not clickbait-y) hook. Then delivers a punched-up version ready to copy-paste, plus a change log explaining what changed and why.
Pro-tip
Paste your draft and just say "punch this up". The skill will find the best edits and flag them, so you can accept the full rewrite or cherry-pick specific fixes.
LinkedIn is the clear #1 growth channel for Growth Unhinged with 29% of new readers saying they first heard about the newsletter via LinkedIn. Fwiw my other top channels are word-of-mouth (28%), ChatGPT/other LLM (13%), other newsletters (11%), and Google (5%).
LinkedIn also happens to be my biggest source of frustration as a writer (IYKYK).
I’ve codified best practices from growing my LinkedIn following to 109,000 and from joining a few creator masterclasses hosted by LinkedIn (cringe, but useful). These best practices include:
Demonstrate credibility in the opening. Can a stranger tell why this person specifically is qualified to share the insight?
Distill the post to one main idea. This is probably where I go wrong the most.
Be topical. LinkedIn has been prioritizing newsworthy and timely posts.
Use a maximalist opening. I’ve found that LinkedIn rewards openings that are dense with value rather than clickbait. This is what compels readers to click ‘see more’.
I tested this on a recent LinkedIn post that fell flat relative to my expectations.
Prompt: Please use /linkedin-punch-up to propose a re-write of this post: [PASTE TEXT]
Claude’s edits made the hook stronger with more immediate value. It made the authority signal more visible upfront. And it cut the fluff from the setup to get right to the point. While I don’t have A/B test results, running the skill helped me see where I might’ve gone wrong.
📄 Get the skill: linkedin-punchup skill
🔎 Reference: LinkedIn isn’t over. You’re just bad at it.
/b2b-newsletter-growth skill to start and grow a B2B newsletter
Use case
Gives you advice on how to start or grow a B2B newsletter. It adapts whether you’re pre-launch trying to figure out where to start, a few hundred subscribers in and flatlining, or an established writer ready to turn your newsletter into a business.
Why it matters
Most newsletter advice is either too generic ("post consistently!") or too tactical without context on what stage it applies to. This skill draws on a real playbook from five years of building Growth Unhinged to 85k+ subscribers.
What it does
It asks where you are in your newsletter journey, then serves up the 3-5 next best actions for your specific stage, with the "why" behind each one and something concrete to act on today.
Pro-tip
The skill is most useful when you share context — your subscriber count, how long you've been publishing, and what you've already tried. The more specific you are, the more specific the advice gets.
I’m bullish on creator-led newsletters as a growth channel in B2B. The best can even become profitable media companies in their own right (all while being great lead gen), if paired with the right newsletter infrastructure (have I mentioned I like beehiiv? 😊).
Mature tech companies like Plaid and HubSpot can afford to acquire established newsletters (This Week in Fintech and The Hustle, respectively). Startups usually need to start from scratch.
But there are a million decisions to make: naming, domain, visual identity, publish timing, growth channels, paid ad spending, the list goes on. I previously broke this down into a 25-step guide – in hindsight, this was rather overwhelming 😬! This Claude skill radically simplifies the playbook and makes it way more concrete.
I recently tested it on Growth Unhinged, and the results were pretty solid.
Prompt: Run the /b2b-newsletter-growth skill to analyze my Growth Unhinged newsletter and recommend ways to increase subscriber growth
Claude’s top three recommendations were:
Rebuild your recommendations network on beehiiv — this is #1. Set a concrete goal: 50 active recommendation partners within 60 days. The playbook: subscribe to their newsletter, reply to their welcome email, propose a swap.
Test Boosts much more aggressively. Pick 10 new boost sources this quarter, track cost-per-subscriber per source, and cut anything above your ceiling.
Promote the referral program inside every issue. Add a referral block near the bottom of every issue and make it prominent in the welcome email.
📄 Get the skill: b2b-newsletter-growth skill
🔎 Reference: How to grow your B2B newsletter
/seo-checker skill for better SEO performance
Use case
You want to know why Google isn't sending you organic subscribers — or you want to improve the subtitle/meta description on a specific post before it goes out.
Why it matters
I ignored SEO for a while, and I’m sure I’m not alone. Most newsletters aren’t optimized for SEO: paywalled posts that Google can’t crawl, subtitles written for email readers instead of search, and titles that would never surface for any real query. Even small SEO optimizations can make the difference for subscriber growth.
What it does
It runs one of two workflows: a full publication audit that flags critical issues, structural gaps, and untapped opportunities with specific posts and actionable fixes — or a targeted meta description rewrite for a single post, with 2-3 ready-to-use options and a recommended pick.
Pro-tip
If you use beehiiv, simply connect beehiiv to Claude via MCP. That will eliminate the need for copying and pasting, and it’ll allow for a full audit.
I ran the SEO checker skill on Growth Unhinged and, well, I was doing a lot wrong.
Prompt: Can you run the /seo-checker skill on Growth Unhinged?
For starters, most of my newsletters are missing SEO titles. My newsletter platform (beehiiv) lets you set a separate SEO title for Google that’s different from the subject line that goes out over email. I didn’t take advantage of that until very recently, and need to retroactively fix my evergreen posts.
Claude had a bunch of technical SEO fixes I wouldn’t have thought about, too: better internal linking, tagging evergreen posts, improving slug patterns going forward, making publication tags more specific.
The TL;DR: organic search has only accounted for 6.1% of all-time signups. There’s a lot of upside that will apply to both Google and AI search engines.
📄 Get the skill: seo-checker skill
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What to do next
I'm not letting AI write for me. But I am letting it argue with me about my writing. The drafts are noticeably better for it.
Let’s use AI to create a future with better content and less slop. If you’re as Claude-obsessed as I am, please give these skills a try. Run them on your next draft. Tell me what you find.
🔓 Bonus for premium subscribers: I built a new Growth Unhinged plugin with 12 Claude skills for B2B GTM. These include the skills covered above along with skills for deep GTM research, pricing analysis, sharpening your ICP, brainstorming GTM plays, developing a storytelling strategy, and analyzing your newsletter.
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