Modern Creator
Vaibhav Sisinty · YouTube

These 10 New Claude Skills Just Doubled My AI Subscription (For Free)

A 14-minute ranked teardown of the only 10 Claude skills worth installing, each demonstrated live with real output.

Posted
3 weeks ago
Duration
Format
Listicle
educational
Views
117.2K
3.8K likes
Big Idea

The argument in one line.

Specific-purpose Claude skills unlock capabilities raw prompting can never replicate, and these ten together replace five-figure monthly tool spend inside a subscription you already own.

Who This Is For

Read if. Skip if.

READ IF YOU ARE…
  • You use Claude daily but only through the standard chat interface with no skills installed.
  • You run a brand or business and manually re-type your brand rules into every AI prompt.
  • You pay for SEO agencies, fact-checking, or market research consultants.
  • You are evaluating a startup idea and want fast validation before committing resources.
  • You want to see concrete live demos of Claude skills rather than abstract descriptions.
SKIP IF…
  • You want a deep technical guide to building skills from scratch -- this is a curated demo reel, not a developer tutorial.
  • Your primary AI tool is not Claude -- the skills shown run inside Cowork / claude.ai.
TL;DR

The full version, fast.

Over a thousand Claude skills exist; most are useless. After weeks of testing including the gstack toolkit open-sourced by Y Combinator's president, this video narrows the list to ten worth installing. The standouts: a token optimization skill that processes 50+ sources without burning your daily limit; a deep research skill that spins up parallel agents and maps an entire market in under ten minutes; and the official Anthropic frontend-design skill that bans purple-gradient SaaS cliches and produces production-grade UI from a single paragraph prompt. Each is demonstrated live with real output, making the efficiency gap between skilled and unskilled Claude users viscerally clear.

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Chapters

Where the time goes.

00:0001:15

01 · Hook + social proof + promise

Two kinds of AI users framing; Garry Tan / YC credibility anchor; promise of doubled daily limit

01:1502:44

02 · What is a Claude Skill?

Definition: installable packages with two types -- pre-built and self-built

02:4404:48

03 · Skill #10: Token Optimization

Process 50+ sources at a fraction of token cost; Indian creators on YouTube demo

04:4806:56

04 · Skill #9: Find Skill + Skill #8: Brand Guidelines

Find Skill routes tasks to right tool; Brand Guidelines locks brand identity permanently

06:5609:24

05 · Skill #7: Fact Checker + Skill #6: SEO Skill

Viral post debunked in 40s; Nike audit across 7 pillars vs competitors

09:2410:34

06 · Mid-roll CTA + Skill #5: Office Hours (gstack)

Subscribe prompt; Gary Tan gstack intro; Zomato YC teardown demo

10:3411:39

07 · Skill #4: Skill Creator

Skill that builds new skills; portfolio review framework demo

11:3913:10

08 · Skill #3: Humanizer + Skill #2: Deep Research

Removes 29 AI-writing patterns; multi-agent market research in 8 min

13:1014:06

09 · Skill #1: Frontend Design (official Anthropic)

277K installs; bans AI design defaults; voice dictation dashboard demo; closing CTA

Atomic Insights

Lines worth screenshotting.

  • Over a thousand Claude skills exist and most are useless -- the ten worth installing cover 95% of daily knowledge-work needs.
  • Token optimization lets Claude process 50+ research sources at a fraction of normal token cost, effectively extending the daily usage limit for free.
  • The Find Skill acts as a router for the entire skill library -- install it first so you never have to memorize what else exists.
  • Locking brand rules as a permanent skill eliminates the need to re-type colors, fonts, and voice guidelines into every AI prompt.
  • The Fact Checker pulled 17 separate claims from one viral post and debunked a fabricated CEO quote in 40 seconds.
  • Nike scored only 60 out of 100 on AI search readiness -- a gap the SEO skill surfaces in one prompt that agencies charge monthly retainers to find.
  • The Office Hours skill asks the same six forcing questions YC partners use on founders, not the polite ones your network asks.
  • A skill that builds skills means you can now package any recurring workflow without writing a line of code.
  • The Humanizer targets 29 documented patterns that flag writing as AI-generated, operating at the structural level rather than just swapping individual words.
  • Deep Research spins up parallel agents for market size, competitors, funding, and pricing simultaneously, delivering a consultant-grade report in under ten minutes.
  • The official Anthropic frontend-design skill explicitly bans purple gradients, Inter/Roboto defaults, and card-grid layouts -- the three tells of AI-generated UI.
  • A year ago, replicating these ten capabilities required a six-figure budget and a team of five; now it is an afternoon with a single subscription.
  • Crowded markets still have room: Deep Research found a $623 million niche within the AI meeting notes space that no current player has claimed.
  • The biggest SEO mistake is fixing the wrong thing first -- a prioritized audit ranked by impact is more valuable than a comprehensive one ranked alphabetically.
Takeaway

Ten skills that replace a five-figure tool stack.

WHAT TO LEARN

The gap between Claude users who install specific skills and those who only use the chat box is already measurable in dollars saved and hours recovered.

  • Token optimization is the first skill to install if you regularly hit usage limits -- it processes the same inputs at a fraction of the token cost, no plan upgrade needed.
  • The Find Skill acts as a dispatch layer for the entire library; installing it means you never need to memorize skill names, just describe the task.
  • Brand guidelines stored as a skill eliminate the most common AI consistency failure: outputs that are accurate but sound nothing like the brand.
  • The Fact Checker operates at the claim level, not the document level -- it extracts every verifiable statement from a post and scores each one independently, which is the only way to catch a single fabricated quote inside an otherwise accurate article.
  • SEO audits prioritized by impact are more actionable than comprehensive reports; the SEO skill returns a ranked fix list, not a data dump.
  • The Office Hours skill applies pressure in the direction most founders avoid: it challenges your own stated assumptions about who your competitor is and what your core business actually is.
  • Deep Research running parallel agents on market size, competitor profiles, funding data, and pricing simultaneously compresses what consultants charge weeks and thousands of dollars to deliver.
  • The Humanizer targets structural AI patterns, not individual word choices -- rewriting at the sentence level is what produces outputs that read as human rather than outputs that merely avoid banned words.
  • The Frontend Design skill works because it encodes what NOT to do (purple gradients, Inter font, card grids) as firmly as what to do -- constraint-based design prompts consistently outperform open-ended ones.
  • The Skill Creator demonstrates that the highest-leverage use of a skill library is building workflow-specific tools rather than relying entirely on what others have published.
Glossary

Terms worth knowing.

Claude skill
A small installable package that teaches Claude to perform one specific job the same way every time, without requiring the user to re-prompt the instructions manually.
gstack
A collection of Claude skills open-sourced by Garry Tan, president of Y Combinator, including the Office Hours skill that simulates a YC partner session.
Office Hours skill
A Claude skill from gstack that applies six forcing questions YC partners use in real sessions: Demand Reality, Status Quo, Desperate Specificity, Narrowest Wedge, Observation, and Future Fit.
Token optimization
A Claude skill that compresses multiple large inputs so Claude processes the same content using significantly fewer tokens, effectively extending the user's daily usage limit.
AI search readiness
A measure of how well a website is structured to appear in AI-generated answer boxes and LLM-powered search results, distinct from traditional PageRank-style SEO.
Cowork
The interface through which Claude skills are installed, accessed, and run -- also referred to as Claude Skills or claude.ai.
Resources

Things they pointed at.

07:23productoffice-hours skill (gstack)
12:10toolCowork / Claude Skills interface
Quotables

Lines you could clip.

01:43
By paper nine, that warning pops up. You are approaching your usage limit and you have not even started the analysis.
Perfectly relatable pain point, no setup neededTikTok hook↗ Tweet quote
08:08
Would users be upset if Zomato disappeared tomorrow? Weak for consumers, stronger for restaurants.
Contrarian business insight with a memorable answerIG reel cold open↗ Tweet quote
10:30
The skill is not magic. It just removes what was screaming, this person did not write this.
Honest deflation after a demo -- builds trustnewsletter pull-quote↗ Tweet quote
13:10
A year ago, all of this stacked together was six figures and a team of five. Now, an afternoon with Claude for free.
Clean before/after value compression, standaloneTikTok hook↗ Tweet quote
The Script

Word for word.

Read-along

Don't just watch it. Burn it in.

See every word as it's spoken — crank it to 2× and still catch all of it. The same dual-channel trick behind Amazon's Kindle + Audible.

analogystory
00:00Right now, there are two kinds of AI users in the world. The ones still typing prompts and the ones who figured out Claude has over a thousand skills sitting underneath that chat box. And the gap between them, it's already embarrassing.
00:13And it's only getting wider. And I'll tell you how wide. Garrytown runs Y Combinator, the company behind Airbnb, behind Stripe.
00:20He finds the next big thing before the rest of the world catches on. He gave his entire team's work to these Claude skills. Just him sitting alone, Doing the work of 50 people.
00:30Over a thousand skills exist. Most are useless. I spent weeks testing them.
00:35This 10 changed everything. And one skill out of these 10, I'm not even joking. If you just start using it, your daily Claude limit will double.
00:42Same plan you're already paying for. Twice the usage. And almost nobody knows this exists.
00:47You don't need to know coding. You don't need any setup. We're going through all 10, and the one I put at number one honestly builds entire businesses while you sit there and watch it happen.
00:57Real quick before we get into this. That skill that doubles your daily Claude, the install command is already sitting in our staying ahead WhatsApp community. It's completely free to join.
01:08Links in the description. Let's get into it.
01:15Before we get into the list, what is a Claude skill? A skill is a small package you install once that teaches Claude how to do one specific job really well. Once installed, Claude does that job the same way every time.
01:27And there are two kinds, skills others have built that you install in one click and skills you build yourself for your own workflow. We get to the build your own one later. Starting at ten, working down.
01:38First one fixes a problem you have probably had this week. Picture this. You need to go through 10 research papers, 15 articles, and two PDFs sitting in your downloads folder.
01:48Skip any of them, and you are guessing. So you open Claude and start dumping it in. Paper one, paper two, paper three.
01:54By paper nine, that warning pops up. You are approaching your usage limit and you have not even started the analysis. That problem is what skill 10 fixes.
02:03Token optimization. The job of this skill is exactly what the name says. You hand Claude the same 50 sources and it processes the whole thing using a fraction of the tokens.
02:14Same data in, same answer out, way less of your plan burned. So we ran it on something real, asked Claude to find everything published in the last six months about how Indian creators are growing on YouTube using AI. What came back was tight.
02:28Eight tactics working right now ranked by Impact, each sourced to the original tweet or video. The whole answer fits on one screen.
02:36A second move worth knowing. 40 page board deck due tomorrow. Drop it in.
02:40Ask Claude for the three decisions on the table and the data behind each. You walk in knowing more than half the people. The catch with token optimization is you still need to know which skill to invoke.
02:51How do you figure that out without memorizing a thousand of them? Number nine, handles that. The find skill.
02:57You have a thousand skills sitting in the library. You cannot possibly know which one fits the task right now. The goal of find skill is simple.
03:03You stop being the one who has to pick. You describe what you want in plain English, and Claude scans the library, matches the right skill, and runs it. We typed it in.
03:11Write a LinkedIn post about the recent SpaceX and Anthropic deal. Find me the right skill for this. Hit enter.
03:16Claude pulled the writing style skill that matches our voice, asked two follow-up questions to nail the angle, then started writing. Ninety seconds later, a finished LinkedIn post showed up. In our voice, sources linked, ready to publish.
03:29This one is the gateway to every other skill. Install it first. So find skill picks the right tool for the job, but every output should match how your brand sounds.
03:38That is skill eight. Brand guidelines. You probably have a brand, a business or a personal brand on LinkedIn.
03:43You have rules, specific colors, specific fonts, a voice, and every time you ask Claude to write or design something, you type those rules out from scratch. The goal of this skill is to stop that. You set up your brand rules once, and from then on, every output respects them.
03:59The brand stuff never gets typed again. So we set it up. We wrote one paragraph describing the brand, the colors, the voice, the things we never wanted to say, and asked Claude to lock it in.
04:10Using just that one paragraph, Claude built a full brand identity document, hex codes, font pairings for headings and body, seven sample sentences in the brand voice, and many more showing what not to sound like, saved as a permanent skill on the account, The use case nobody talks about. If you run brands for a living and you are managing three or four at once, personal, company, two clients, set up a separate brand skill for each.
04:35Switch between them whenever you need. Your brand looks tight. But what about the stuff you read on WhatsApp and Twitter every day?
04:41Half of it is fake. Skill seven solves that one for everyone. The fact checker.
04:46Be honest. How many times have you forwarded a WhatsApp message to your family group only to find out a week later that it was completely wrong. A made up statistic.
04:56A scary headline from 2019. The goal of this skill is to stop you from being the person who spreads the wrong thing. You paste in any claim, post or article.
05:05The skill pulls out every factual statement, checks each against authoritative sources, and returns a verdict before you hit forward. So we tested it on a viral post. Big company deal, huge numbers, looked completely real.
05:18We ran the fact checking skill over it, and forty seconds later, the card came back. Verdict on top. Mixed.
05:2517 separate claims pulled from that one post, most confirmed. A few inflated, one quote attributed to a CEO had never been said.
05:34Each claim got its own confidence score. Each source linked. That is the power of this skill.
05:39Any health tip, finance claim, or viral post gets a clear verdict in forty seconds with every line scored and every source linked. So you stop bad information from spreading, but what about getting your business found in the first place? That is skill six, the SEO skill.
05:56If you own a website, a Shopify store, anything online, you have wondered why some competitor ranks above you with a worst product. The answer is SEO. Good SEO has historically cost 30,000 to 2 lakh rupees a month.
06:09The goal of this skill is to compress that monthly SEO retainer into one prompt. The skill runs a full technical audit on any website, compares it to competitors, and gives you a prioritized list ranked by which fix moves the needle most. So we gave it the hardest test, Nike, the biggest brand on earth.
06:27Compare against Adidas and New Balance. Tell us where Nike is losing. The skill ran a full audit across seven pillars and compared Nike to Adidas and New Balance side by side.
06:37Nike scored 78 out of a 100. The weakest pillar was on page SEO at 68 with a broken homepage title and a viewport meta tag blocking mobile zoom.
06:47The wildest part, Nike scored just 60 on AI search readiness. Copy this prompt. Swap Nike for your website.
06:53Monday morning is sorted. The biggest leak in SEO is fixing the wrong thing first. I know.
06:58I know. We are halfway in and have not even hit the heavy stuff yet. This is what we break down every single week here.
07:04Tool deep dives, skill walkthroughs, honest takes on what works. If you are getting value from this, you know what to do. Skill five, office hours, part of G Stack built by Gary Tan.
07:15Gary is the president of Y Combinator, the birthplace of Airbnb and Stripe. He recently open sourced his exact AI setup.
07:23Office hours is the heaviest hitter in the kit. What this skill actually does, it puts Claude in the chair of a y c partner sitting across from you. Not nice.
07:33Brutal. It tears your business apart the way a real y c office hour session would. The kind of feedback nobody around you can give you.
07:41So we fed it Zomato, the brand every one of us knows, asked Claude to grill it the way Gary would. Forty seconds later, six forcing questions came back.
07:50The ones YC partners actually use on founders, demand reality, status quo, desperate specificity, narrowest wedge, observation, future fit.
08:00Question one made me sit up. Would users be upset if Zomato disappeared tomorrow? Claude's answer, weak for consumers, stronger for restaurants.
08:08Most people have Zomato and Swiggy both installed. They open whichever has the better coupon today. Habit, not love.
08:15Then it goes after Zomato's own assumptions. Food delivery is their core business, challenge. Swiggy is their main competitor, also challenge.
08:23Then three strategic parts, consolidate everything under Zomato, separate the brands completely, or stop being an app entirely, become the infrastructure layer under every food business in India.
08:35Honest take. If you're building anything right now, run this tonight. Even if it is just an idea you want to validate before you put a rupee in.
08:43Type your brand. Add the context about what it actually does. Skill four, the skill creator.
08:49This is the one that broke my brain the first time because the skill builds new skills. The goal of the skill is to remove the weight. Every skill so far was built by someone else.
08:58With skill creator, you stop waiting. You describe your workflow the way you would explain it to a new hire. The skill interviews you, drafts itself, tests it, and packages it.
09:07So we tested it on something specific. There are startups in our personal investment portfolio that need a structured review every month. We describe the whole thing to skill creator.
09:17What a healthy output looks like, what red flags to catch. The skill that got created did something we did not expect. It built itself.
09:24You can now build your own skill. Massive. But here is the part that lands on everyone watching because every one of you has already written something using AI, and it sounds exactly like AI.
09:3429 specific patterns Claude can spot and erase. Skill three, the humanizer. You know the feeling.
09:40You ask Chad GPT to write you a cold email. Looks fine on screen. You send it.
09:45Nobody replies because the person on the other end could smell it was AI from the subject line. The goal of this skill is to make Claude's writing past for human, not by guessing, by systematically removing the 29 documented patterns that flag a piece of writing as AI generated. Generated.
10:01Look at the email on the left. I hope this message finds you well. Game changing solution.
10:06Today's fast paced startup landscape. Nobody writes a cold email like that. The humanizer catches these at the structural level, not just a word level.
10:15Same email after the skill. Quick math from your last thirty days, 47 meetings, 19 under fifteen minutes, six with no agenda. Direct specific numbers.
10:25That is what a human writes. Run this on a LinkedIn post and the comments multiply. The skill is not magic.
10:31It just removes what was screaming, this person did not write this. Honest question, drop it in the comments. The last AI email you sent.
10:39What was the dead giveaway phrase? Curious how many of us are guilty of the same five cliches. Your writing sounds like you again, but what about a real decision that costs real money?
10:48Should this product launch? Skill two handles that. Skill two, deep research.
10:53A friend wants to build an AI app for meeting notes for sales teams priced at 20 to $50 a month per seat. Before she quits her job to build it, she needs to know one thing. Is the space already too crowded or is there room?
11:06The traditional way takes two to three weeks of waiting. By the time the report lands, the market has shifted. The goal of this skill is to compress that entire consultant project into a single claud session.
11:18Deep research spins up multiple agents at once. One handles market size, another profiles competitors, another pulls funding data, another analyzes pricing.
11:27They run-in parallel, then synthesize. So we ran her question through. Claude asked three clarifying questions first.
11:34Geography, pricing tier, team size, pick the answers. Hit go. You could watch the agents working on the screen.
11:40By the time we got back from making coffee, the report had landed. Verdict on top, crowded but not closed. Total market size with growth rate, every competitor profiled, what each charges, the five gaps nobody has fixed, and a specific recommended angle.
11:54Engineering managers, not sales managers, a six twenty three million dollar market mapped with a go to market angle in eight minutes. She had it before lunch. We have killed AI sounding writing, mapped entire markets.
12:09Everything so far was text on a page. Skill number one breaks past that. Front end design, the official anthropic skill.
12:16277,000 people have already installed this one skill, just this one, and the reason is about to land. The goal of this skill is specific.
12:25Most AI generated design looks like AI generated design. The same purple gradients on white, the same inter or roboto fonts, the same card grid layout you have seen on 500 SaaS landing pages. Front end design exists to stop that.
12:39It bans those defaults and gives Claude a real design system. We just typed it in. We needed a production grade dashboard for an AI voice dictation tool.
12:47It had to be premium and memorable, not the AI slob defaults. Ten minutes from a typed sentence to this. The dashboard works.
12:54Hover states animate live waveforms pulse with the audio. Connected apps, panel lists, Slack, Gmail, Notion, Linear. Same prompt structure works for anything you can describe in a paragraph.
13:05This is the one that builds entire businesses while you watch. So that is the 10. These are the top 10 Claude skills you need to know.
13:12The ones you should be using based on what your work looks like. A year ago, all of this stacked together was six figures and a team of five. Six weeks of work.
13:21Now, an afternoon with Claude for free. If you want me to go deeper on any of these 10 skills, let me know in the comments which one. Whichever gets the most tasks, that is the next breakdown.
13:30And one more thing, we are about to drop a full one hour Claude masterclass for beginners on this channel from zero to running your own skills. Free. The fastest way to get it the day it drops is to hit subscribe.
13:42If you want a head start before the masterclass drops, I have already made a detailed video on Claude skills. Link is right here. See you on the next one.
The Hook

The bait, then the rug-pull.

One subscription. Two completely different experiences. While most users keep typing the same prompts into the same chat box, a smaller group discovered that Claude ships with an entire skill library underneath -- and one specific skill in that library quietly doubles the daily usage limit at no extra cost.

Frameworks

Named ideas worth stealing.

07:28list

Six YC Forcing Questions

  1. Demand Reality
  2. Status Quo
  3. Desperate Specificity
  4. Narrowest Wedge
  5. Observation
  6. Future Fit

The questions YC partners use in real office hour sessions to stress-test assumptions founders are too close to see.

Steal forValidating any new product idea before committing budget
08:28list

Three Strategic Paths (Zomato example)

  1. Consolidate everything under one brand
  2. Separate the brands completely
  3. Stop being an app; become the infrastructure layer

The three mutually exclusive strategic directions the Office Hours skill surfaces after tearing down a business.

Steal forFraming strategic pivots for any multi-product business
CTA Breakdown

How they asked for the click.

VERBAL ASK
13:40subscribe
The fastest way to get it the day it drops is to hit subscribe.

Soft subscribe ask tied to a concrete future deliverable (free 1-hour Claude masterclass), which makes the CTA feel like a benefit rather than a request.

MENTIONED ON CAMERA
FROM THE DESCRIPTION
PRIMARY CTAWhere the creator wants you to go next.
Storyboard

Visual structure at a glance.

open
hookopen00:00
what is a skill?
promisewhat is a skill?01:15
skill #10 card
valueskill #10 card02:44
gstack github
valuegstack github07:23
skill creator demo
valueskill creator demo10:34
deep research prompt
valuedeep research prompt12:12
frontend design prompt
valuefrontend design prompt13:10
resulting dashboard
valueresulting dashboard13:30
top 10 closer card
ctatop 10 closer card13:50
Frame Gallery

Visual moments.

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