The core intelligence that bonds with founders, enters the business, and turns scattered ambition into coordinated motion.
The symbiote doesn't sit on your desk. It's behind you. Always present. Never in the way.
Not a tab you open. An intelligence that moves with you. From your desk to your wrist to your ear.
FCOS listens to your meetings, advises in your ear, captures decisions before they're lost. The silent co-founder.
Speak a thought while walking. FCOS captures, classifies, and routes it. Every idea finds its place.
Most AI tools act first and fix the fallout later. FCOS works the other way.
Before any action, FCOS checks what exists, what is running, and what has already been done. Then it acts. This is not slower — it is five times less expensive in time, tokens, and the cost that does not show up in any invoice.
Every error an AI makes that the founder has to catch is not just a mistake. For someone building on limited resources, it is the thing that compounds. The thing that erodes trust. The thing that turns a dream into something too exhausting to carry.
FCOS does not just save time. It protects the people using it.
One team. Every stage of your journey.
16 specialists across three tiers. Each symbiote owns one domain. Together they cover everything.






Use everything. Use one. Use them as integrations. Your choice.
Six specialists available now on ChatGPT. Seven more arriving.
Of every sale you make in the FCOS Store, 93% is yours.
We take 7% — split between advertising your app, promoting you, and rewarding the community that helped your app succeed.
No greed. No lock-in. The platform that makes money with you.
The average founder pays £120/month for disconnected tools. FCOS replaces all of them.
Annual plans: 2 months free
Stripe payments coming at launch. Sign up free now, upgrade when ready.
v1.1.5 now available. Windows, macOS and Linux.
Your entire AI team. One window. Always connected to the symbiote network.
Download for Windows →macOS and Linux also available.
“That looks really fucking cool. Excuse my language. Thankyou xx”
Free to start. No credit card. Your business partner is waiting.
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