Duncan Grazier

Duncan Grazier

Founder & CEO, Whelk
#156514011 followers0 following
>10,000All time
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About

I build Whelk: private AI and agents that run on hardware you own. Native apps on iPhone, iPad, and Mac connect to models you control, on your device or on your own server. Android, Linux, and the terminal are in testing. Whelk is open core, and it is free for personal use. No Whelk servers, no account, no telemetry. getwhelk.com Before Whelk: two decades of building and running engineering organizations. Chief AI Officer and CTO at BuildOps, CTO at Weedmaps, and VP of Engineering at ShopKeep (acquired by Lightspeed for $440M). I also do Mentorship & Advisory for founders and CTOs, and I write at itsmeduncan.com.

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Maker History

Forums

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2mo ago

Whelk: Private AI Platform - Your hardware. Your models.

Existing local-AI tools are developer utilities or web wrappers. Whelk is a native iPhone, iPad, and Mac client for AI you run yourself, on-device with Apple Silicon or on your own servers over VPN. What stands out: any chat can be armed into a full agent work session in place, with live tools and approvals. Your models. Your agents. Your network. The trust model is the architecture, not a policy: no accounts, no telemetry, no cloud. Nothing leaves hardware you own. Free for individuals.
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3mo ago

Highball - Know exactly when the next train is coming

Track every Amtrak train nationwide plus Metrolink and Caltrain on a live map with countdowns to the next arrival. Approach alerts, Apple Watch + Live Activities, and a spot log with badges. No accounts, no ads, zero data collected. $1.99 once.
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