Best Claude skills for founders and startups
Startup skills help founders move faster: product reviews in the style of a CEO, fundraising prep, pitch decks, go-to-market plans and launch checklists. Garry Tan's gstack, his own Claude Code setup, is the most famous example.
195 startups skills · ranked live · November 2026
The top 10. Ranked by the Alyn Score.
- 1#1
Garry Tan
Gstack
Garry Tan
Design Review
Designer's eye QA: finds visual inconsistency, spacing issues, hierarchy problems, AI slop patterns, and slow interactions — then fixes them; --build checks UI while you build it. (gstack)
Pack141k47kScore 84 - 2#2
Garry Tan
Gstack
- 3#3
Garry Tan
Gstack
Garry Tan
Autoplan
Auto-review pipeline — runs the CEO, design, eng (architecture, edge cases, failure modes, tests) and DX reviews (lean run: one reviewer), auto-deciding. (gstack)
Pack141k47kScore 82 - 4#4
wshobson
Agents
wshobson
Before You Build
Pre-build product and feature risk review for founders, product managers, and AI-assisted builders. Use this skill when the user is about to build a landing page, MVP, SaaS product…
Pack42k2.6MScore 81 - 5#5

phuryn
Startup Canvas
Generate a Startup Canvas combining Product Strategy (9 sections) and Business Model (costs + revenue) for a new product. An alternative to BMC and Lean Canvas that separates strategy from…
Pack28k245kScore 77 - 6#6

phuryn
Lean Canvas
Generate a Lean Canvas with problem, solution, metrics, cost structure, UVP, unfair advantage, channels, segments, and revenue. Use when exploring a lean startup canvas, testing a business…
Pack28k245kScore 76 - 7#7

phuryn
Identify Assumptions New
Identify risky assumptions for a new product idea across 8 risk categories including Go-to-Market, Strategy, and Team. Use when evaluating startup risks, assessing a new product concept, or…
Pack28k245kScore 74 - 8#8
tradermonty
Institutional Flow Tracker
Use this skill to track institutional investor ownership changes and portfolio flows using 13F filings data. Analyzes hedge funds, mutual funds, and other institutional holders to identify…
Pack3.7k254kScore 74 - 9#9
alirezarezvani
Claude Skills
- 10#10
ReScienceLab
Opc Skills
ReScienceLab
SEO GEO
SEO & GEO (Generative Engine Optimization) for websites. Analyze keywords, generate schema markup, optimize for AI search engines (ChatGPT, Perplexity, Gemini, Copilot, Claude) and…
Pack1.9k79kScore 70
What makes a great startups skill.
Opinionated reviews that say no, not only cheerlead.
Real templates (pitch deck, investor update).
Founder-scale scope: fast, cheap, reversible.
All 195 startups skills.
Garry Tan
Gstack
design-review
Designer's eye QA: finds visual inconsistency, spacing issues, hierarchy problems, AI slop patterns, and slow interactions — then fixes them; --build checks UI while you build it. (gstack)
Garry Tan
Gstack
ios-qa
Live-device iOS QA for SwiftUI apps. (gstack)
Garry Tan
Gstack
autoplan
Auto-review pipeline — runs the CEO, design, eng (architecture, edge cases, failure modes, tests) and DX reviews (lean run: one reviewer), auto-deciding. (gstack)
wshobson
Agents
before-you-build
Pre-build product and feature risk review for founders, product managers, and AI-assisted builders. Use this skill when the user is about to build a landing page, MVP, SaaS product…

startup-canvas
Generate a Startup Canvas combining Product Strategy (9 sections) and Business Model (costs + revenue) for a new product. An alternative to BMC and Lean Canvas that separates strategy from…

lean-canvas
Generate a Lean Canvas with problem, solution, metrics, cost structure, UVP, unfair advantage, channels, segments, and revenue. Use when exploring a lean startup canvas, testing a business…

identify-assumptions-new
Identify risky assumptions for a new product idea across 8 risk categories including Go-to-Market, Strategy, and Team. Use when evaluating startup risks, assessing a new product concept, or…
institutional-flow-tracker
Use this skill to track institutional investor ownership changes and portfolio flows using 13F filings data. Analyzes hedge funds, mutual funds, and other institutional holders to identify…
alirezarezvani
Claude Skills
cs-ceo-advisor
../../../agents/c-level/cs-ceo-advisor.md
ReScienceLab
Opc Skills
seo-geo
SEO & GEO (Generative Engine Optimization) for websites. Analyze keywords, generate schema markup, optimize for AI search engines (ChatGPT, Perplexity, Gemini, Copilot, Claude) and…
ReScienceLab
Opc Skills
banner-creator
Create banners using AI image generation. Discuss format/style, generate variations, iterate with user feedback, crop to target ratio. Use when user wants to create a banner, header, hero…
ReScienceLab
Opc Skills
logo-creator
Create logos using AI image generation. Discuss style/ratio, generate variations, iterate with user feedback, crop, remove background, and export as SVG. Use when user wants to create a…
himself65
Finance Skills
startup-analysis
Analyze a startup from three perspectives — VC investor, job applicant, and CEO/founder — covering market, traction, unit economics, team, defensibility, runway, equity value, culture, and…
himself65
Finance Skills
yc-reader
Look up Y Combinator companies and batches from the public yc-oss API, a static JSON dataset refreshed daily: company profiles, batch rosters (e.g. W25, S24), companies by industry or tag…
borghei
Claude Skills
ceo-advisor
Executive leadership guidance for strategic decisions, org development, and stakeholder management. Use when planning strategy, preparing board presentations, managing investors, or making…

linkedin-post-writer
Draft a new LinkedIn post from scratch using one of 20 2026 hook formulas (anaphora, R.I.P., time-anchor, curiosity-gap, contrarian, controlled A/B, false-binary, and more) plus a…
borghei
Claude Skills
board-deck-builder
Assembles board and investor update decks by pulling perspectives from all C-suite roles. Use when preparing board meetings, investor updates, quarterly business reviews, or fundraising…
arnabbagxd
Brand Building Skills
brand-naming
Full brand naming workflow for founders, agencies, and businesses. Use this skill whenever the user says "help me name this brand", "brand naming", "I need a name for", "name ideas for"…
arnabbagxd
Brand Building Skills
personal-brand
Build a personal brand strategy for founders, executives, creators, and consultants. Use when the user says "personal brand", "personal branding", "build my brand", "founder brand"…
Jakeschincariol
Founder Skill
founder-consumer
The consumer panel. Spins up a swarm of buyer sub-agents (default 100, --quick for 20) trained on the user's target customer, each with a different income, age, buying behaviour and…
Jakeschincariol
Instagram Agent Skill
ig-dm
Write Instagram DMs that get replies - the keyword delivery, the first message to someone who engaged, the collab pitch, and the two follow-ups. Use when the user says "DM this person"…
arnabbagxd
Brand Building Skills
brand-story
Craft a brand's origin story, founder narrative, and "why we exist" statement. Use when the user says "brand story", "origin story", "founder story", "why we exist", "about us", "our…
RefoundAI
Lenny Skills
evaluating-startup-ideas
Help users distinguish between deceptive tarpit ideas and high-potential opportunities by applying rigorous frameworks for market timing, business math, and user demand.
Jakeschincariol
Founder Skill
founder-cfo
Your CFO. Builds the unit economics of a business before money is spent: what one unit earns after its direct costs, the real profit margin at the planned volume, the break-even point in…
RefoundAI
Lenny Skills
founder-psychology
Help users navigate the psychological burdens of leadership by cultivating emotional awareness, reframing failure, and building sustainable mental health practices.
RefoundAI
Lenny Skills
founder-sales
Help users master the transition from product development to active selling by leveraging their unique status as founders to bridge the trust gap and define a scalable sales motion.
Jakeschincariol
Founder Skill
founder-plan
Your business planner. Compiles everything the other founder skills wrote (the board's verdict, the competitors, the buyer panel, pricing, the offer, the CFO's numbers, marketing, brand…
series-continuity
This skill should be used when the user asks to "write a sequel", "write a prequel", "start book two", "continue the series", "companion novel", "spin-off", "link books in a series", "carry…
Jakeschincariol
Trader Skill
trader-copycat
The Reverse Engineer. Reads a famous investor's public SEC filings (the quarterly 13F-HR, plus Form 4 if you want the insider trades) and rebuilds their portfolio as weights you can copy…

ecommerce-business-plan
Create a comprehensive e-commerce business plan. Market analysis, financial projections, marketing strategy, operations planning, and milestone roadmap for new or growing e-commerce…
Jakeschincariol
Trader Skill
trader-news
The News Monitor. Watches breaking market news and SEC filings for the stocks you hold (or are about to copy): Yahoo Finance headlines per ticker and each company's 8-K filings on SEC EDGAR…

grayscale-crypto-sectors
Use when evaluating crypto through a Grayscale-style Crypto Sectors lens: sector taxonomy, FTSE/Grayscale index eligibility, fee/usage fundamentals, sector-share valuation, ETP/trust…
emotixco
Claude Skills Founder
pitch-deck
Outline a 12-slide investor pitch deck with a takeaway headline, content, visual, and speaker notes for every slide, plus appendix slides for Q&A. Use when a founder is preparing a deck for…
emotixco
Claude Skills Founder
user-interviews
Write a 25-minute customer discovery interview script that follows The Mom Test, with screening criteria, exact wording, red flags, and a framework for analyzing 5-8 interviews. Use when a…

ansem-crypto
Use when evaluating crypto narratives, attention rotation, memecoin cycles, Solana-style ecosystem momentum, social distribution, and reflexive retail flows in an Ansem-style crypto market…

collab-outreach
Drafts personalized pitches to creators and brands for collab reels, shoutouts and partnerships. Use when the user says "pitch a collab", "outreach to creators", "write a DM to this…
Startups skills, explained.
Also searched as: startup skills, founder skills claude, gstack garry tan, pitch deck skill.
What are the best Claude skills for founders and startups?
Right now the top-ranked startups skills on Alyn are Design Review (Garry Tan), IOS QA (Garry Tan), Autoplan (Garry Tan). Rankings combine GitHub stars, installs, freshness and depth, and update live.
What is gstack?
Garry Tan's Claude Code setup: a set of opinionated tools that act as CEO, designer, engineering manager, release manager and more.
Are there skills for fundraising?
startup-founder-skills covers fundraising, sales, product and recruiting.
How do I install a startups skill?
Run npx skills add owner/repo in your project, or copy the folder with SKILL.md into ~/.claude/skills. Every skill on this page has a ready-to-copy command.