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.
140 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)
141k47kScore 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)
141k47kScore 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…
42k2.6MScore 81 - 5#5
wondelai
Skills
wondelai
Create App
Guided journey from a raw app idea to a validated, cleanly architected first version that ships on a sustainable cadence. Orchestrates ten skills phase by phase - lean-startup…
2.7k335kScore 71 - 6#6
wondelai
Skills
wondelai
Create Business
Guided journey from raw idea to a validated, positioned, priced business with a chosen beachhead. Orchestrates ten skills phase by phase - jobs-to-be-done, mom-test, design-sprint…
2.7k335kScore 71 - 7#7
alirezarezvani
Claude Skills
- 8#8
wondelai
Skills
wondelai
Lean Analytics
Choose and audit startup metrics using Croll and Yoskovitz's "Lean Analytics". Use when the user mentions "what metrics should we track", "KPIs", "north star metric", "One Metric That…
2.7k335kScore 71 - 9#9
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…
1.9k79kScore 70 - 10#10
ReScienceLab
Opc Skills
ReScienceLab
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…
1.9k79kScore 69
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 140 startups skills.
Garry Tan
Gstack
design-shotgun
Design shotgun: generate multiple AI design variants, open a comparison board, collect structured feedback, and iterate. (gstack)
Garry Tan
Gstack
deslop-shared-libs
Find worthwhile shared-code extractions in recent work. (gstack)
Garry Tan
Gstack
devex-review
Live developer experience audit. (gstack)
Garry Tan
Gstack
diagram
Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open on excalidraw.com, and rendered SVG + PNG. (gstack)
Garry Tan
Gstack
document-generate
Generate missing documentation from scratch for a feature, module, or entire project. (gstack)
Garry Tan
Gstack
document-release
Release documentation audit. (gstack)
Garry Tan
Gstack
eval-plan
Preregister a paid eval (bars, arms, decoys, stop rules), dry-run it at zero cost, then run a three-item priced pilot whose spend table gates approval. (gstack)
Garry Tan
Gstack
health
Code quality dashboard. (gstack)
Garry Tan
Gstack
ios-clean
Remove the DebugBridge SPM package and all #if DEBUG wiring from an iOS app. (gstack)
Garry Tan
Gstack
ios-design-review
Visual design audit for iOS apps on real hardware. (gstack)
Garry Tan
Gstack
ios-fix
Autonomous iOS bug fixer. (gstack)
Garry Tan
Gstack
ios-sync
Regenerate the iOS debug bridge against the latest upstream gstack templates. (gstack)
Garry Tan
Gstack
land-and-deploy
Land and deploy workflow. (gstack)
Garry Tan
Gstack
landing-report
Read-only queue dashboard for workspace-aware ship. (gstack)
Garry Tan
Gstack
learn
Manage project learnings.
Garry Tan
Gstack
modernize
Bring an aging PR onto its current base and decide: MODERNIZE, REWORK or CLOSE. (gstack)
Garry Tan
Gstack
office-hours
YC Office Hours — two modes. (gstack)
Garry Tan
Gstack
open-gstack-browser
Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.
Garry Tan
Gstack
pair-agent
Pair a remote AI agent with your browser. (gstack)
Garry Tan
Gstack
freeze
Restrict file edits to a specific directory for the session. (gstack)
Garry Tan
Gstack
guard
Full safety mode: destructive command warnings + directory-scoped edits. (gstack)
wondelai
Skills
lean-startup
Design MVPs, validated learning experiments, and pivot-or-persevere decisions using Build-Measure-Learn. Use when the user mentions "MVP scope", "validated learning", "pivot or persevere"…
ReScienceLab
Opc Skills
nanobanana
Generate and edit images using Google Gemini 3 Pro Image (Nano Banana Pro). Supports text-to-image, image editing, various aspect ratios, and high-resolution output (2K/4K). Use when user…
ReScienceLab
Opc Skills
requesthunt
Generate user demand research reports from real user feedback. Scrape and analyze feature requests, complaints, and questions from Reddit, X, GitHub, YouTube, LinkedIn, and Amazon. Use when…
ReScienceLab
Opc Skills
add-new-opc-skill
Checklist and automation guide for adding a new skill to the OPC Skills project. Ensures all required files, metadata, logos, and listings are created before release. Use when adding a new…
ReScienceLab
Opc Skills
archive
Archive session learnings, debugging solutions, and deployment logs to .archive/yyyy-mm-dd/ as indexed markdown with searchable tags. Use when completing a significant task, resolving a…
ReScienceLab
Opc Skills
domain-hunter
Search domains, compare prices, find promo codes, get purchase recommendations. Use when user wants to buy a domain, check domain prices, find domain deals, compare registrars, or search…
ReScienceLab
Opc Skills
Search and retrieve content from Twitter/X. Get user info, tweets, replies, followers, communities, spaces, and trends via twitterapi.io. Use when user mentions Twitter, X, or tweets.
ReScienceLab
Opc Skills
producthunt
Search and retrieve content from Product Hunt. Get posts, topics, users, and collections via the GraphQL API. Use when user mentions Product Hunt, PH, or product launches.
ReScienceLab
Opc Skills
Search and retrieve content from Reddit. Get posts, comments, subreddit info, and user profiles via the public JSON API. Use when user mentions Reddit, a subreddit, or r/ links.
ReScienceLab
Opc Skills
skill-name
Clear description of what this skill does and when to use it. Include trigger keywords and contexts inline, e.g. "Use when user wants to X, Y, or Z."

ackman-concentrated-activism
Use when evaluating Bill Ackman-style concentrated long theses, activist campaigns, high-conviction multiyear bets, and public narrative plus fundamental catalysts.

buffett
Use when evaluating a business through Buffett-style ownership, owner earnings, durable moat, management quality, capital allocation, and margin-of-safety judgment.

burry-asymmetric-contrarian
Use when evaluating Michael Burry-style contrarian, asymmetric, unpopular trades: deep mispricing, short theses, complex assets, forced consensus errors, and catalyst-driven downside/upside.

cathie-wood-innovation
Use when evaluating Cathie Wood-style disruptive innovation themes: S-curves, converging technologies, long-duration growth, platform adoption, and multiyear innovation portfolios.

coleman-tiger-growth
Use when evaluating Tiger Cub / Chase Coleman-style growth investing: scalable tech platforms, network effects, unit economics, growth duration, and concentrated growth longs.
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.