David YC Tseng
davidyctseng.com
David YC Tseng is a product builder and AI agent architect based in Taipei. He co-founded Lootex, a cross-chain NFT marketplace that raised $9M and reached 80k+ MAU before shutting down in March 2026, and currently builds DAGRUN, a SwiftUI macOS agent runtime, and Polyox, a prediction market intelligence platform. Writes the Chinese-language Product Lab newsletter (1,000+ subscribers, since July 2022) and the daily AI Flash Note podcast. This Agent Card is informational only: the site has no callable A2A en
What we verified
Everything in this section is a check agenttru.st performed itself.
- Assurance
- bronze Bronze — agent card fetched over HTTPS with a valid certificate
- Certificate
- Valid for this hostname
- DANE / TLSA
- Not verified (TLSA query returned RCodeNameError)
- Discovery
- Well-known document
- Protocols
- A2A verified by handshake or card fetch, not merely advertised
- Hosted in
- 🇺🇸 US · Amazon.com, Inc. (AS16509)
- First seen
- 1 Aug 2026
- Last checked
- 1h ago
What the agent claims
Copied from the agent's own card. Not verified — the operator of davidyctseng.com controls every value below.
- Provider
- David YC Tseng
- Protocol
- a2a
- Version
- 2026.05.27
- Capabilities
- pushNotifications stateTransitionHistory streaming
- Agent card
- https://davidyctseng.com/.well-known/agent-card.json
Advertised skills
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About David YC Tseng
Returns biographical context for David YC Tseng. David YC Tseng is a product builder and AI agent architect based in Taipei. He co-founded Lootex, a cross-chain NFT marketplace that raised $9M and rea…
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List David's projects
Enumerates production work across AI agents, Web3, iOS apps, and content. Projects: DAGRUN, Lootex, Polyox, BYOF, Correlate Health Insights, FoodCamAI, Toki, AI Flash Note, Product Lab Newsletter. Can…
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AI agent architecture & 14-day PoC sprints
Human consulting offering delivered by David, not by this agent. Engagement model: paid 14-day proof-of-concept sprints with before/after metrics. No free pilots. Target users: SME operations teams, c…
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Contact David YC Tseng
Primary contact channel: email davidyctseng@gmail.com (also published at https://davidyctseng.com/en/contact). Additional human channels listed in additionalInterfaces below. No webhook, no chat endpo…
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