Generate a new button variant that matches our existing tokens
ask the agentvs.GitBook
Looking for amodern alternativeto GitBook?
GitBook gives you a genuinely good docs site. What sits behind it is still Markdown — not the system.
>90%
of day-to-day design-system work automated by Supernova agents
vs. Markdown that describes a system living somewhere else
>10x
faster design system adoption across your teams via in-tool integrations
vs. hoping people bookmark the docs site
>70%
fewer tokens spent on every prompt your team or agent runs
vs. pasting entire spaces into prompts and hoping
“All the support we've received since our arrival shows just how much better it is to be here .”
Renato Michalischen
Design System Manager, Userlane
GitBook teams have spoken
Read against each product’s published capabilities and documentation, August 2026.
01
The pages are the product
GitBook is strong at published docs. It is not connected to Figma, and it does not manage tokens, components, or properties as data.
02
Git versions the copy
History and review are real. The token values in the Markdown are still copies of Figma and Storybook. Git cannot tell when the original moved.
03
Docs MCP serves prose
The GitBook MCP server returns your pages. An agent building UI needs token values and component properties, not the Markdown describing them.
04
An embed is not component data
A Storybook iframe shows the component render. The page still does not have properties, variants, or an API it can query or export.
The gap
Supernova laps GitBook
Linked design system graph
Docs plus tokens, components, rules, and skills — the system you actually wanted.
Agents that take action
Automate day-to-day work with Claude, Cursor, or Supernova’s own agents.
Real-time multiplayer
Notion-like editing in real time. Write together, ship together.
Built-in feedback loop
See how people and agents use the system, then close the gaps.
Precise data distribution
Scope exactly what each team and agent needs — nothing more.
Made to meet the true reality
Keep GitBook for product docs. The design system needs to be data.
Agent-native
A glimpse of what your team can do with Supernova
Four kinds of work, one system behind them. Slide through the deck, or pick a kind.
What's the correct spacing token for card padding?
ask the agentReview accessibility of my login screen
ask the agentCreate a dark-theme version of this component
ask the agentWhich components use the primary color token?
ask the agentUpdate the border-radius across all form elements
ask the agentShow me the usage guidelines for the modal
ask the agentDoes this component meet WCAG 2.2 AA?
ask the agentGenerate React code for the data table using our system
ask the agentWhat patterns do we have for empty states?
ask the agentFlag any components that still use hard-coded colors
ask the agentSuggest a better token structure for our spacing scale
ask the agentPull the latest API props for the Select component
ask the agentCreate documentation for the new badge component
ask the agentWhich teams are still using the deprecated button?
ask the agentConvert this Figma frame into system-compliant components
ask the agentAudit this screen for token and component consistency
ask the agentPropose a new status indicator based on our existing patterns
ask the agentMigration
Switching is easier than staying
“We were prepared for a steep learning curve, but it turned out to be a smooth glide.”
- 1
Open GitBook to your agent
GitBook opens its content through its docs MCP server and content API. Give Claude or Cursor read access to your space.
- 2
Give it the keys to Supernova
Hook Supernova’s edit capabilities into the same agent — it can write designs, code, Figma links, and docs straight into the system.
- 3
Say the word. Watch it move.
Ask your agent to port the space over. It rebuilds the structure in Supernova in minutes — no export scripts, no rewrite sprint.
- 4
Keep GitBook for product docs
Product and API documentation that has nothing to do with the design system stays in GitBook. Supernova takes the layer underneath the pages.
The deep dive
What makes Supernova the best GitBook alternative
Design sources
Figma import and sync
Variables, collections and components as data
Yes
No
You can embed a frame, not import a system
Storybook and code component import
Stories, props and APIs, connected
Yes
No
An iframe, with no component data behind it
Updates when the design changes
The system refreshes itself, on its own
Yes
No, and..
An agent can rewrite it. Nothing tells it to.
Design system data
Token management
A real source of truth for tokens
Yes
Types, aliases, history and versions
No, and..
A table of values copied from somewhere else
Component and asset management
Structured data, not embedded images
Yes
No
Theming and multi-brand
One system, many brands and themes
Yes
No
No theme layer — a brand is a separate copy
Design system versioning
Versions of the system, not the page
Yes
Yes, but..
Docs versions, not system versions
Documentation
Design system documentation blocks
Live previews, token tables, spec blocks
Yes
No, and..
Generic blocks. Images, not live components.
Writing, structure and collaboration
Real-time multiplayer editing
Yes
Yes
Custom domain and site theming
Publish under your own brand
Yes
Yes
Distribution and code
Code pipelines and exporters
Design data out as platform code
Yes
No
Git sync ships pages, not tokens
Design system data over API and SDK
Query the system programmatically
Yes
No, and..
Content API — pages, not system data
AI and agents
MCP over the design system
Agents read the system, not a page
Yes
Tokens, components and docs together
Yes, but..
Docs MCP serves your published text
Scoped contexts per team and brand
Each agent gets only its slice
Yes
No
Agent skills and knowledge files
Rules that travel with the system
Yes
No
Agents that write back
Change the system, not just read it
Yes
No
Agents edit pages, not the design system
Usage feedback loop
See where people and agents hit gaps
Yes
Yes, but..
Docs insights, not system adoption
Everything else your company writes
Meeting notes, project docs, handbook
The rest of how a company writes
No, and..
Not what it is for. Keep your wiki.
Yes, but..
Product docs rather than a company wiki
“It's easy to use, intuitive, and offers many opportunities to scale across teams — a true single source of truth .”
Matthias Fritsch
Design Lead, Celonis
Give your agents a system worth following
See how Supernova documents, syncs, and serves your system in one place.