holistis

Building things people actually use: Longevity AI, personal health reports. Yad, a free open-source browser agent, a smart contract security scanner for AI agents (Bug Bounty Intelligence).

Joined on May 19, 2026 https://longevityai.nl/

holistis

Sep 3

Zero stars, seventy cloners, and a readme that said nothing about either

#showdev #opensource #github #buildinpublic

3 min read

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holistis

Sep 3

79 clones, 2 stars, 4 installs, and I only just checked

#showdev #opensource #github #buildinpublic

3 min read

holistis

Sep 3

My QA bot was cancelled 60 nights in a row and never said a word

#testing #githubactions #devops #playwright

5 min read

holistis

Aug 31

I shipped a Series-A-grade security autopilot in one day. It costs €2.60/year.

#security #devops #ai #webdev

8 min read

holistis

Aug 31

x402 payments prove money moved. They don't prove you got what you paid for.

#showdev #opensource #webdev #ai

4 min read

holistis

Aug 29

I open sourced my QA tool, then spent three nights trying to break it before anyone else could

5 min read

holistis

Aug 28

What a Sentiment Index Cant See: A Live Example From Real DeFi Execution Data

#showdev #api #crypto #opensource

3 min read

holistis

Aug 25

I scanned 1,049 AI-built apps. 71 got flagged for the same mistake. Here's how many were actually real.

4 min read

holistis

Aug 24

Your AI-built app shipped in a week. Was it checked in a week too?

#security #ai #webdev #supabase

2 min read

holistis

Aug 24

I built a browser agent that never lets your AI key drain quietly, then I tried to break it myself

#opensource #security #ai #chromeextension

6 min read

holistis

Aug 11

I built a judge that argues with itself before you submit a bug bounty finding

#security #ai #opensource #blockchain

3 min read

holistis

Aug 10

What actually gets paid in smart contract audit contests

#blockchain #crypto #security #web3

4 min read

holistis

Aug 9

Your AI-built app is impressive. It is just not yours yet.

2 min read

holistis

Aug 5

A payment gateway for MCP servers, and the security bugs I found in my own code first

#ai #api #mcp #security

6 min read

holistis

Aug 3

The cheapest question you can ask before writing a PoC

2 min read

holistis

Jul 18

I Built a Pay-Per-Call DeFi Bot Intelligence API Using x402 — No Signup Required

#buildinpublic

2 min read

holistis

Jun 5

I Built a Self-Improving Health Platform: Five AI Agents That Learn Every Week

#technical #ai #multiagent #automation

6 min read

holistis

Jun 5

I Added Legal Compliance Checks to My E2E Test Suite for €0. Here's How (and Why a Non-Developer Had To).

#technical #testing #buildinpublic #ai

6 min read

holistis

Jun 2

I Didn't Buy Octomind. I Built My Own for €0. Here's Why It's Better.

#technical #testing #buildinpublic #ai

5 min read

holistis

Jun 2

Why I Built a Halal-By-Design AI Image Pipeline

#technical #architecture #ai #buildinpublic

6 min read

holistis

Jun 2

How I Built a Health-Content Autopilot for €12/Month

#technical #architecture #ai #buildinpublic

5 min read

holistis

Jun 1

Three free wearable integrations for an AI health report: Oura, Withings, Polar

#oauth2 #healthtech #wearables #api

2 min read

holistis

May 28

De invloed van plantaardige eiwitten op je darmgezondheid

#plantaardige #eiwitten #darmgezondheid #microbiota

5 min read

holistis

May 25

De impact van trainingsintensiteit op je darmmicrobioom en metabolische gezondheid

#training #gezondheid #darmmicrobioom #metabolisme

5 min read

holistis

May 25

De impact van eicosapentaeenzuur op spierprestaties: Feiten en inzichten

#eicosapentaeenzuur #sportprestaties #omega3 #voeding

5 min read

holistis

May 25

De Kracht van Vitamine D bij Depressieve Klachten

#vitamine #depressie #depressieve #symptomen

4 min read

holistis

May 25

De Rol van Machine Learning in de Diagnostiek van Chronische Vermoeidheid

#chronische #vermoeidheid #machine #learning

4 min read

holistis

May 25

Oxidatieve Stress en de Invloed van Onze Leefstijl

#oxidatieve #stress #astaxanthine #nigella

5 min read

DEV Community

holistis

Badges

1 Week Community Wellness Streak

Zero stars, seventy cloners, and a readme that said nothing about either

Want to connect with holistis?

79 clones, 2 stars, 4 installs, and I only just checked

My QA bot was cancelled 60 nights in a row and never said a word

I shipped a Series-A-grade security autopilot in one day. It costs €2.60/year.

x402 payments prove money moved. They don't prove you got what you paid for.

I open sourced my QA tool, then spent three nights trying to break it before anyone else could

What a Sentiment Index Cant See: A Live Example From Real DeFi Execution Data

I scanned 1,049 AI-built apps. 71 got flagged for the same mistake. Here's how many were actually real.

Your AI-built app shipped in a week. Was it checked in a week too?

I built a browser agent that never lets your AI key drain quietly, then I tried to break it myself

I built a judge that argues with itself before you submit a bug bounty finding

What actually gets paid in smart contract audit contests

Your AI-built app is impressive. It is just not yours yet.

A payment gateway for MCP servers, and the security bugs I found in my own code first

The cheapest question you can ask before writing a PoC

I Built a Pay-Per-Call DeFi Bot Intelligence API Using x402 — No Signup Required

I Built a Self-Improving Health Platform: Five AI Agents That Learn Every Week

I Added Legal Compliance Checks to My E2E Test Suite for €0. Here's How (and Why a Non-Developer Had To).

I Didn't Buy Octomind. I Built My Own for €0. Here's Why It's Better.

Why I Built a Halal-By-Design AI Image Pipeline

How I Built a Health-Content Autopilot for €12/Month

Three free wearable integrations for an AI health report: Oura, Withings, Polar

De invloed van plantaardige eiwitten op je darmgezondheid

De impact van trainingsintensiteit op je darmmicrobioom en metabolische gezondheid

De impact van eicosapentaeenzuur op spierprestaties: Feiten en inzichten

De Kracht van Vitamine D bij Depressieve Klachten

De Rol van Machine Learning in de Diagnostiek van Chronische Vermoeidheid

Oxidatieve Stress en de Invloed van Onze Leefstijl