The open operating system for first-time founders: AI skills, flows, loops, and advisor agents spanning the whole founder journey - idea, validation, MVP, launch, fundraising, and operations.
Theme-agnostic.
Skills 23 in the Claude listing
Apply mental models Use when a founder faces a hard, ambiguous, or high-stakes decision and wants to think it through with proven lenses rather than gut alone - "help me think about this", "what am I missing", "should I Brand and naming Use when a founder needs to name the company or product and set a simple brand voice - when they say "what should I call it", "help me name my startup", "is this name any good", "the domain is taken", Capture learning Use after a Founder OS skill, flow, or decision produced a real outcome worth remembering - when something worked, something failed, advice turned out wrong, or the founder says "remember this", "note Cofounder and equity Use when a founder is choosing a co-founder or splitting equity - when they ask "do I need a co-founder", "how do I find a co-founder", "how do I split equity", "is 50/50 fair", "what's a fair founder Consumer product testing Customer interviews Use when a founder needs to talk to potential customers and wants real signal, not flattery - when they say "I'm going to interview some users", "how do I do customer discovery", "I want to validate t Find first customers Use when a founder needs their first paying customers and there's no inbound, no audience, and no growth engine yet - when they say "how do I get my first customers", "nobody's signing up", "how do I First hire Use when a founder is making early hires - when they ask "should I hire someone", "what's my first hire", "who do I hire first", "how do I write a job description", "how do I interview", "employee or Founderos prompt scaffold Use when writing, refining, or porting any Founder OS prompt or skill, or when a founder asks "how do I write a good prompt for this" - provides the shared 3-tier (Low/Medium/High) scaffold, placehold Investor pipeline Use when a founder is starting or running a fundraise and needs to manage it like a sales process - when they say "how do I find investors", "I'm raising and don't know where to start", "my raise is d Landing page copy Use when a founder needs words for a landing page that converts - when they say "write my landing page", "what should my headline be", "my page isn't converting", "people don't get what I do", "help m Launch plan Use when a founder is approaching a launch and needs a sequenced plan instead of a single chaotic "go live" day - when they say "I'm launching next week", "how do I launch", "what do I need before I l Legal and incorporation Use when a founder is forming the company or worried they've skipped legal basics - when they ask "should I incorporate", "when do I form a company", "LLC or C-corp or what", "do I need a founders' ag North star metrics Use when a founder needs to decide what to measure - when they say "what metric should I track", "what's my north star", "I'm drowning in dashboards", "is this a vanity metric", "what should I focus o Pitch deck Use when a founder needs to build or fix an investor pitch deck - when they say "help me make a pitch deck", "my deck isn't landing", "what slides do I need", "investors keep ghosting after the deck", Pivot decision Use when a founder has run real experiments and must decide whether to keep going, change direction, or stop - the moment validation results, retention, pipeline, or runway are forcing a call. Positioning and gtm Use when a founder is ready to take a product to market and needs to say what it is, who it's for, and why it wins - when they say "how do I describe this", "what's my positioning", "what's our messag Pricing strategy Use when a founder needs to set or fix a price - when they say "how should I price this", "what should I charge", "am I too cheap", "should I do subscription or one-time", "how many tiers", or are abo Runway and unit economics Use when a founder needs to understand the money - when they ask "how long until we run out of cash", "what's my burn rate", "how much runway do I have", "are my unit economics any good", "what's my C Scope mvp Use when a founder is about to start building and needs to decide what to build first - when they say "what should my MVP be", "what's the minimum I can ship", "I'm scoping the first version", "let's Sensory testing Start here Use when a founder is overwhelmed, unsure what to do next, just arrived at Founder OS, or asks "where do I start", "what should I work on", "I have an idea now what", or "help me figure out my next st Validate idea Use when a founder has a startup idea and needs to test whether it's real before building - when they say "I have an idea", "is this worth building", "how do I validate", "should I build this", or are