AI Harness Engineer · 21 · SF

Deon
Menezes

I build the harnesses that run the agents, then ship the work.

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0 wins · 0 apps · 0 stars
Deon Menezes
deon, san francisco ☀
Deon building on a mountain
building anywhere
open to build →
01 · what I build

Harnesses, not demos.

★ 344

Mantishack

open source

An AI harness that hunts vulnerabilities for you, then proves and patches them.

AI securityexploit PoCautopatch
mantishack.com →
02 · what I've built

Everything I've
shipped, sorted.

Harnesses, apps, platforms, security tools and XR worlds — built solo and through Virelity, my studio.

0hackathon wins
0apps shipped
0global clients
0patches delivered
03 · hackathons

15+ wins. One was
India's biggest.

HP🏆 winner

HP Dreams Unlocked

India's biggest solo hackathon, won out of 40,000+ entries. ₹1.5L + an HP Omnibook, a generative AR/VR world from one prompt, and a Government of India incubation offer.

40k+ entries₹1.5L prize#1 solo
founder

REALMS XR

Founded Maharashtra's biggest XR hackathon. 550+ registrations, 36 hours.

Apify🏆 winner

Apify Hackathon

Built and shipped a winning project using Apify's web automation platform.

NVIDIA🏆 winner

NVIDIA Hackathon

Won on the NVIDIA hackathon circuit with an AI-first build.

Lovable🏆 winner

Lovable Hackathon

Built, demoed, and won with a rapid product sprint powered by Lovable.

Deon on stage at a hackathon, OpenClaw agent toolkit
openclaw · on stage
Deon at NVIDIA GTC
nvidia gtc
Deon holding the MoltCompany lobster at a hackathon
moltcompany · winning build 🦞
04 · on the App Store

25+ apps. Shipped.

companies I've worked with · trusted by
Callbook.ai RentAHuman Tenkara SecureNetMe Naytive Arqio Virelity
05 · moments

In the rooms
where it happens.

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Deon at OpenAI HQ with Sam Altman
openai hq · sf ✷
OpenAI · San Francisco

Among the ~0.0001% of Codex users invited to OpenAI HQ — sat down with Sam Altman and met the team, including Romain Huet.

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Deon with Oliver Lacombe
w/ oliver lacombe
Frontier AI

Trading notes with Oliver Lacombe on agents, models, and where AI tooling heads next.

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w/ peter steinberger
Indie legend

Hanging with Peter Steinberger — PSPDFKit founder and prolific open-source maintainer, now building in the open with AI agents.

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w/ guillermo · vercel
Vercel

With Guillermo Rauch — founder & CEO of Vercel and creator of Next.js.

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Deon at Y Combinator
y combinator · sf
Y Combinator

Inside Y Combinator in San Francisco — the launchpad behind Stripe, Airbnb and OpenAI.

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Deon with humanoid robots
humanoid robotics 🤖
Embodied AI

Up close with humanoid robots — exploring embodied AI and where agentic systems meet the physical world.

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06 · the path

India → Dubai → SF.

Metaengineering · ex
Emersonyoungest R&D intern
Virelityfounder
OpenAImet the team · HQ
HP Dreamswinner · 40k+ entries
How to Build a Business in the Age of AI
published work ✎
07 · publications & media

Published work
& on air.

Book · Author

How to Build a Business in the Age of AI

Real entrepreneurial experiences, AI automation strategies, team-building insights, and lessons from founding Virelity Solutions.

AI automationteam buildingentrepreneurship
Podcast

The Agentic Harness · Silicon Valley

A conversation on AI harnesses, agents, and building from the heart of Silicon Valley.

podcastagentssilicon valley
🤖 for your AI

Let your agent
get to know me.

Copy a clean context pack, or drop the skill into Claude. Then ask it anything about me.

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08 · say hi

Let's build something
worth shipping.

Copied. Paste it into your agent ✦