Berlin, Germany
Demos & showcases

Build x Agents [ADVANCED]: Builders' Exchange — Claude Code, Codex, +

Hosted by Build X AI + Chris

Register with organizer
Build x Agents [ADVANCED]: Builders' Exchange — Claude Code, Codex, + event artwork
The gathering

What to look forward to

This advanced evening for experienced agent builders will feature hands-on discussions of tools, harnesses, workflows, evaluations, autonomy, and real-world access, plus a demo of an agent using a permissioned wallet. Attendees will exchange practical lessons and connect through structured, interest-based conversations.

From the organizer

Inside the event

An evening for people who build with agents every day: swap workflows, compare setups, and meet builders at your level. Presented by Nuri.

TL;DR

  • Advanced focused: This is not for beginners. We won't focus on covering basic concepts.
  • Discuss & exchange: Tools, workflows, and lessons learned from building with agents.
  • Structured Connections: We connect you with people relevant to you, based on what you tell us at registration.

Agenda

  1. Intro Welcome and a quick overview of what we're doing tonight.
  2. Nuri demo (5 min) Letting an agent pay: permissioned access to a real wallet. A demo, not a pitch.
  3. Topics & Discussion Short slides, demos, and open discussion. The topics below are starting points — we pick together on the night where to go deep.
  • What changed since August — New models and tools since our last advanced evening. What did you switch to, and why?
  • Harnesses & Custom Tooling — Claude Code, Codex, Pi — or building your own harness and agent tooling.
  • Interfaces — CLIs, desktop apps, custom UIs — and agents in shared channels: is the channel the new interface?
  • Environments & Going Local — Local, managed cloud, VPS/intranet; self-hosting and running open-source models.
  • Workflows & Evals — How you structure agent workflows, when an agent vs. a plain API call, and how you know it's actually working.
  • Autonomy & Real Access — What you let run unattended, multi-agent setups, and how far you let agents touch accounts, money and production.
  • + Your topics — Open for suggestions. Bring what you want to discuss.
  1. Structured Connections We create a setting to connect you 1-on-1 with others who share your interests and topics.
  2. Drinks & Connect Open conversation over food and drinks, thanks to Nuri. We close the space around 21:00 and continue at the nearby "Trödler" bar.

Instructions

  • Answer the registration questions — they help us connect you with the right people.
  • This time we're back at Futura House (not Ape Unit) — Kreuzberg, near Kotti. The concrete address is released after approval.
  • We take a few photos during the evening. If you'd rather not be in them, just tell us.

About us

Ape Unit is a development company founded in 2010. We run Build x AI — a community for people building with AI agents: 26 evenings in Berlin since 2024, over 1,400 sign-ups.

Our host

This evening is hosted by Futura House — a third place beyond home and work for tech, health and balance in Kreuzberg. Thank you for having us!

Our partner

This evening is presented by Nuri — the self-custodial wallet you can connect to Claude, ChatGPT & co., so an agent can analyse spending and prepare payments, with permissions you control. Thank you for supporting the evening!

Berlin, Germany

Venue listed by the organizer · Berlin, Germany. Confirm the final address before traveling.

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Discovered through Cerebral Valley. Details come from the event listing and the organizer page; registration is managed by the organizer.

Last checked: Oct 27, 2026. Confirm current availability before making plans.

Organizer page checked: Oct 27, 2026. Check registration for the latest details.

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