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Libretto

YC X25

San Francisco, US · Founded 2025 · 2 employees · 2 known investors

Libretto provides open-source CLI tools, debug agents, and browser utilities for developers to build and maintain reliable web integrations. The platform targets developers and integration engineers working on web connectivity and data exchange.

Also known as Saffron Health

Developer ToolsHealthtechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X25)

Libretto was founded in 2025 by Tanishq Kancharla and Michael Kronovet.

TKTanishq Kancharla
Tanishq Kancharlain𝕏Co-founder & CTOTanishq Kancharla is a co-founder of Libretto and brings product engineering expertise.
MKMichael Kronovet
Michael KronovetinCo-Founder & CEOMichael Kronovet is a machine learning engineer and co-founder of Libretto who previously led engineering efforts at Palantir in collaboration with the US State Department.

Investors · 2

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Frequently asked questions

What does Libretto do?
Libretto provides open-source CLI tools, debug agents, and browser utilities for developers to build and maintain reliable web integrations. The platform targets developers and integration engineers working on web connectivity and data exchange.
Who founded Libretto?
Libretto was founded by Tanishq Kancharla, Michael Kronovet in 2025.
Who are Libretto's investors?
Libretto's investors include Y Combinator, XYZ Venture Capital.
Where is Libretto headquartered?
Libretto is headquartered in San Francisco, US.