Uncork Capital
Uncork Capital is a San Francisco-based seed-stage venture capital firm founded in 2004 by Jeff Clavier, who formalized his angel portfolio into one of Silicon Valley's earliest dedicated seed funds; it operated as SoftTech VC until rebranding to Uncork Capital in 2017. Led by managing partners Jeff Clavier and Andy McLoughlin, the firm invests at the seed stage with a "first to believe" conviction style, typically targeting 10-15% ownership and writing seed checks broadly in the $1.5M-$4M range across B2B applications and SaaS, developer tooling, infrastructure and security, consumer and marketplaces, frontier tech/hardware, and AI/ML. In May 2025 the firm closed $300M in fresh capital across Uncork VIII (a $225M seed fund) and Uncork Plus IV (a $75M growth fund), bringing it to roughly $1.2B in assets under management. Across 275+ investments and 100+ outcomes, its portfolio and exits include SendGrid, Fitbit, Poshmark, Postmates, Eventbrite, LaunchDarkly, Tailscale, Front, Shippo, ClassDojo, Groq, Human Interest, Carrot Fertility, and GPTZero.
Uncork Capital is tracked in the API Evangelist network. This page is the human-readable profile that sits on top of the machine-readable index we maintain at apis.io.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Uncork Capital is in the network as a tracked entity. We haven't yet indexed a public API surface for it — when one is published, the artifacts, score, and agent-readiness read will appear here automatically. The source repository is where that profile is built.
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