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

Oct 29

Check. Pay. Prove.

#ai #security #opensource #web3

4 min read

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holistis

Oct 29

Eight security signals in 109 public repositories of organisations in ten EU countries

#security #opensource #github #europe

7 min read

holistis

Oct 26

Check. Pay. Prove. One real AI-agent payment on Base mainnet

#stripe #infrastructure #agentskills #ai

4 min read

holistis

Oct 26

We scored 29 of 117 on EVMbench and published every miss

#web3 #security #ai #opensource

11 min read

holistis

Oct 23

Autoharness has 10,600 stars and reads every line of your Claude Code sessions. Here is what we checked before trusting it.

#ai #mcp #security

3 min read

holistis

Oct 15

733,203 attestations were taken back

#ethereum #security #web3 #ai

4 min read

holistis

Oct 15

I checked 600 live x402 services. None of them signs a receipt.

#x402 #aiagents #web3 #opensource

4 min read

holistis

Sep 21

The Hierarchy of Agent Trust

#ai #security #blockchain #opensource

5 min read

holistis

Sep 19

Nine ways to fake a delivery claim, and why none of them fully worked

#ai #security #blockchain #opensource

3 min read

holistis

Sep 11

PyMC Labs has 1,256 stars. A GitHub issue title could still steal their API key.

#security #opensource #github #ai

2 min read

holistis

Sep 10

A GitHub comment can steal your secrets. I found 22 repositories where it could.

#security #opensource #github #ai

3 min read

holistis

Sep 8

I spent a day auditing GitHub Actions across a dozen AI agent frameworks

#security #opensource #github #ai

2 min read

holistis

Sep 8

I built a scanner for CI checks that can't fail. Nvidia just built one for AI skills that can't be trusted.

#security #ai #opensource #github

2 min read

holistis

Sep 7

Two Strangers, Zero Stars, Two Boundaries Still Open

#opensource #crypto #ai #webdev

8 min read

holistis

Sep 7

We had two independent proofs of a critical RCE. The real software disagreed.

3 min read

holistis

Sep 5

I counted how many CI checks cannot fail. On a 120-file sample, 74 percent.

5 min read

holistis

Sep 5

A CI timeout is a kill, not a failure. Playwright's defaults changed because of it.

5 min read

holistis

Sep 3

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

#showdev #opensource #github #buildinpublic

3 min read

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

1 Week Community Wellness Streak

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