Multi-App AI Agent Hackathon
Virtual · Sunday, September 13, 2026

Submissions closed at 4:00 PM Pacific on September 13, 2026.

Hosted by

Judged by the founders of

Arga Labs Userlens
Meet the judges

Multi-App AI Agent Hackathon

Build an AI agent that takes action across multiple external apps.

$15,000 in cash prizes

The brief

Build one useful, multi-step AI agent. Connect it to at least three external apps. Show how you know it works.

Submission checklist

  • Submit one response per project or team
  • Teams may have one to four people
  • Include every team member’s email address
  • Provide an accessible GitHub repository
  • Link a demo video of no more than two minutes
  • Make sure judges can access both the repository and demo

Schedule · Pacific time

9:00 AM
Opening, briefing & Q&A
9:30 AM—4:00 PM
Build
4:00 PM
Submissions close
4:00—5:00 PM
Judging & selection
5:00 PM
Awards on the same event link
By 5:30 PM
Event concludes

Judging

30%
Technical execution
25%
Reliability & evaluation
20%
Usefulness
15%
Originality
10%
Demo clarity

README & demo

Put everything the judges need in your README.

  1. 01Project overviewWhat you built and the problem it solves.
  2. 02External apps usedYour agent must connect to at least three.
  3. 03Setup instructionsClear steps for running the project.
  4. 04Reliability testingHow you tested and verified that it works.
  5. 05Demo videoLink a video no longer than two minutes.

Questions? Email events@uselemma.ai.

Prizes

First$10,000
Second$4,000
Third$1,000

All top-three teams receive guaranteed interviews with Arga Labs or Lemma AI.