Our master prompt works fine. Why change?

If your team is small, the master prompt document is current, and everyone actually pastes it, keep going. The switch to Company Brain pays off when updates stop reaching everyone, or when pasting into every chat becomes the thing people quietly skip.

Can we import our existing document?

Yes. Your master prompt document is the best possible starting material for Company Brain. It becomes individual facts, each reviewed, each updatable on its own instead of buried in a wall of text.

What's actually different in daily use?

With Company Brain there is nothing to paste. You open Claude, ChatGPT, Copilot or Cursor and the company context is already there through MCP. The prompt becomes just the request.

What does Company Brain cost?

Company Brain's core product is free forever: 50 company facts, one curator, whole team connected. Paid plans start at €89 per month, per company, no per-seat fees.

Alternatives

The master prompt document vs Company Brain

Somewhere in your drive there's a document the whole team pastes into new AI chats. It was a smart move when someone made it. Here's where it stops scaling.

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Free forever. No credit card required.

The master prompt is the honest workhorse of AI adoption. Someone on the team wrote two pages describing the company, the products, the tone, the things never to promise, and shared it. Everyone pastes it into new chats. For a while, output quality jumps.

Company Brain is the alternative for teams whose master prompt document has stopped keeping up. It holds the same knowledge, your facts, tone, pricing and rules, as individual reviewed facts, and delivers them automatically through MCP to Claude, ChatGPT, Copilot and Cursor, so every chat starts briefed without anyone pasting anything.

Give the document credit: it proves the team understood the real problem. AI without company context produces generic work. What gives out is the container, and it gives out in a predictable order.

When the document is enough

Three people, one shared doc, someone who actually maintains it. At that size the master prompt genuinely works, and Company Brain would be solving a problem you don't have yet. Bookmark this page and come back when the cracks appear.

The cracks, in the order they appear

First, drift. The document gets updated, but old copies live on in saved prompts, project instructions and muscle memory. Two teammates now brief the AI differently and neither knows.

Then, skipping. Pasting two pages before every question is friction, and friction loses to deadlines. People start asking without the context, and the output slides back to generic.

Then, sprawl. The document grows to cover every case, becomes too long to paste comfortably, and someone makes a short version. Now there are two truths.

Where the two differ

	Master prompt document	Company Brain
Delivery	Pasted by hand, every chat	Automatic through MCP, every session
Updates	New version, old copies survive	One change, everywhere at once
Quality control	Whoever edited last	Human review before facts go live
Granularity	One wall of text	Individual facts, individually maintained
Coverage	Whichever chats people remember	Claude, ChatGPT, Copilot, Cursor, any MCP client

The graduation path

Your document already contains the facts. Company Brain gives each one a home, a reviewer and automatic delivery to every AI tool the team uses. Everything the team worked out while writing the document carries over, and the pasting ends. The master prompt is step two of the escalation ladder teams climb to stop repeating company context, if you want the fuller picture of what comes before and after it.

Company Brain's free plan includes 50 company facts and one curator, with the whole team connected through MCP, free forever. Paid plans start at €89 per month per company, never per seat.

Frequently asked questions

Our master prompt works fine. Why change?: If your team is small, the master prompt document is current, and everyone actually pastes it, keep going. The switch to Company Brain pays off when updates stop reaching everyone, or when pasting into every chat becomes the thing people quietly skip.
Can we import our existing document?: Yes. Your master prompt document is the best possible starting material for Company Brain. It becomes individual facts, each reviewed, each updatable on its own instead of buried in a wall of text.
What's actually different in daily use?: With Company Brain there is nothing to paste. You open Claude, ChatGPT, Copilot or Cursor and the company context is already there through MCP. The prompt becomes just the request.
What does Company Brain cost?: Company Brain's core product is free forever: 50 company facts, one curator, whole team connected. Paid plans start at €89 per month, per company, no per-seat fees.

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