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Supernova

YC W19

Prague, CZ · Founded 2016 · 20 employees · 13 known investors

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Supernova provides a design system platform that supplies context and ground truth data to AI agents, enabling developers and designers to improve agent outputs while reducing token costs through scoped, updatable contexts distributed via MCP endpoints.

Also known as Supernova.io Inc.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareDesign ToolsCzechiaEuropePartly Remote

Founders & leadership· Y Combinator alumni (W19)

Supernova was founded in 2016 by Oskar Koristka and Jiri Trecak.

OKOskar Koristka
Oskar KoristkaCOO & co-founder
JTJiri Trecak
Jiri TrecakCo-founder · Chief Executive OfficerFounder of Supernova, a design system platform that provides context and ground-truth data to AI agents via MCP endpoints. He previously worked at GetYourGuide, where he focused on growth across product management, UX, data analytics, and machine learning.
OB
Ondrej BartosNamed on SEC filing

Investors · 13

J&T Ventureslisted by J&T VenturesPrague · $300K – $3M

How we know: J&T Ventures's portfolio page · tech.eu · Not right? Tell us

Jude Gomilalisted by Jude GomilaLynnwood

How we know: Jude Gomila's portfolio page · Not right? Tell us

KAYAlisted by KAYAPrague · $108K – $3.2M

How we know: KAYA's portfolio page · tech.eu · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Reflex Capitallisted by Reflex CapitalPrague · $500K – $2M

How we know: tech.eu · Not right? Tell us

Taiwania Capitallisted by Taiwania CapitalTaipei

How we know: Taiwania Capital's portfolio page · funding news · tech.eu · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · tech.eu · Not right? Tell us

Credo VenturesreportedPrague · $1M – $5M

How we know: funding news · tech.eu · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

EQT VenturesreportedLuxembourg · $2M – $50M

How we know: tech.eu · Y Combinator's founder network · Not right? Tell us

Good Tiding HoldingreportedBurlingame

How we know: Y Combinator's founder network · Not right? Tell us

WingreportedPalo Alto · $200K – $20M

How we know: Y Combinator's founder network · Not right? Tell us

Also in the syndicate · 2

KAYA VCWing VC

Funding

SEC filings, press & company announcements

$17.3M disclosed across 2 rounds · 2022–2025

▶$8.1MraisedMay 2022 · 13 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jiri TrecakExecutive Officer, Director
  • Ondrej BartosDirector
  • Oskar KoristkaDirector
Offering amount
$8.1M
Amount sold
$8.1M
First sale
May 2022
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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UnflowUnflow is a content management system that allows product and marketing teams to build and deploy experiences directly within mobile applications without requiring engineering support.
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Companies working in the same space as Supernova.

Legal entities · 1

corporate structure
Supernova.io Inc.

In the news

Supernova Raises $9.2M Series A Fundingfinsmes.com · Sep 2025Supernova wants to make it easy to move design elements to code bases • TechCrunchtechcrunch.com · Nov 2022Supernova 🌌 Create, document and distribute your next design systemycombinator.com · Jun 2022

Frequently asked questions

What does Supernova do?
Supernova provides a design system platform that supplies context and ground truth data to AI agents, enabling developers and designers to improve agent outputs while reducing token costs through scoped, updatable contexts distributed via MCP endpoints.
Who founded Supernova?
Supernova was founded by Oskar Koristka, Jiri Trecak in 2016.
Who are Supernova's investors?
Supernova's investors include Expedite Ventures, J&T Ventures, Jude Gomila, KAYA, Reflex Capital, Taiwania Capital, Y Combinator, Credo Ventures and 3 more.
How much funding has Supernova raised?
Supernova has disclosed $17.3M raised across 2 rounds.
Where is Supernova headquartered?
Supernova is headquartered in Prague, CZ.