​A curated evening at AngelList HQ for founders and engineers building the agentic era.

​Life after 🦞

​OpenClaw proved agents can work.
It didn't prove they can be trusted.

​The question is no longer "what can agents do?" — but what happens when they touch real tools, real data, real money, and real users with no one watching. The engineering problems are just getting started...

​Constructive Build Night is for agentic builders.

​We'll spend the evening together at AngelList HQ — founders, engineers, and technical leaders building across the agentic stack: the agents themselves, the interfaces they speak through, the infrastructure they run on, and the trust models that make any of it production-ready.

​Short lightning demos from the room, good conversation, and just hanging out and building together.

​There will be lobster rolls. Space is limited.

​Schedule

• ​5:30 PM — Doors open. Lobster rolls, drinks, and good conversation.

• ​6:30 PM — Opening remarks from Constructive and Frontier Syndicate

• ​Lightning Demos

• ​Persona — What happens when an autonomous agent manages your email and calendar, and has to decide when to act before you ask?

• ​Cultured Computer — How they broke through voice evals to make AI:human interfaces feel more human and consistent across LLM backends.

• ​MoonPay Agents — What it takes when agents move real money — crypto on-ramps, virtual bank accounts, and prediction markets.

• ​Constructive — The trust layer for AI-generated backends. How secure-by-default Postgres infrastructure enforces authorization when agents touch production data.

• ​7:20 PM — Open networking through 8:30 PM

​Who should be here

• ​Founders building AI agents, products, infrastructure, or developer tools

• ​Engineers working on agent frameworks, voice, backends, data, or tooling

• ​Technical leaders thinking about trust, permissions, reliability, and how agents actually get to production

• ​Anyone building past the demo and into the real world

​Hosted by

​Constructive is building the trust layer for AI-generated backends: secure-by-default Postgres infrastructure with explicit authorization, enforced row-level security, auditable change management, and production-grade foundations for real-world software.

​Frontier Syndicate is a private venture circle for frontier tech builders, researchers, and investors. It combines early-stage capital with curated convenings designed to connect exceptional founders with investors, operators and collaborators.

​​AngelList builds the software investors use to fund world-changing startups. Founders Cafe is our founder community and co-working space on the first floor of HQ.