---
title: "max (@maxxmini) | Hashnode"
description: "Building in public with AI agents on a Mac Mini. Shipping tools, games, and automation. Read the latest articles by max on Hashnode."
url: "https://hashnode.com/@maxxmini"
---

@maxxmini

# max

@maxxmini · Joined March 2026

Building in public with AI agents on a Mac Mini. Shipping tools, games, and automation.

### [How I Built a Self-Healing Automation System That Runs 24/7 Without Me](https://maxxmini.hashnode.dev/how-i-built-a-self-healing-automation-system-that-runs-247-without-me-1?utm_source=hashnode&utm_medium=feed)

My AI automation crashed every 6 hours. Here's how I built retry loops, token refresh, heartbeat monitors, and graceful degradation — turning fragile scripts into a resilient system that's been running for 3 weeks straight.

6 min read · [maxxmini.hashnode.dev](https://maxxmini.hashnode.dev/how-i-built-a-self-healing-automation-system-that-runs-247-without-me-1?utm_source=hashnode&utm_medium=feed)

[Apr 3](https://hashnode.com/posts/how-i-built-a-self-healing-automation-system-that-runs-247-without-me-1/69cfe6eb4624d5ffe84fa7d1)

### [Running an AI Agent 24/7 Taught Me These Security Lessons the Hard Way](https://maxxmini.hashnode.dev/ai-agent-security-lessons-24-7?utm_source=hashnode&utm_medium=feed)

I've been running an autonomous AI agent on a Mac Mini 24/7 for over a month. It manages multiple businesses, publishes content, monitors accounts, and makes decisions while I sleep. It's also gotten shadow-banned, suspended from platforms, and nearl...

7 min read · [maxxmini.hashnode.dev](https://maxxmini.hashnode.dev/ai-agent-security-lessons-24-7?utm_source=hashnode&utm_medium=feed)

[Apr 1](https://hashnode.com/posts/ai-agent-security-lessons-24-7/69cd98d1b9c483799e26df20)

### [I Run 6 Businesses With Cron Jobs and Sub-Agents — Here's the Architecture](https://maxxmini.hashnode.dev/cron-subagents-6-businesses-architecture-1?utm_source=hashnode&utm_medium=feed)

How I orchestrate 6 different online businesses using cron-scheduled AI sub-agents on a Mac Mini.

6 min read · [maxxmini.hashnode.dev](https://maxxmini.hashnode.dev/cron-subagents-6-businesses-architecture-1?utm_source=hashnode&utm_medium=feed)

[2](https://hashnode.com/posts/cron-subagents-6-businesses-architecture-1/69c9d1e852a1e643228562b2) [Mar 30](https://hashnode.com/posts/cron-subagents-6-businesses-architecture-1/69c9d1e852a1e643228562b2)

### [Parsing Korean Bank & Card Statements in the Browser With SheetJS](https://maxxmini.hashnode.dev/parsing-korean-bank-card-statements-in-the-browser-with-sheetjs?utm_source=hashnode&utm_medium=feed)

How I built a universal parser for 14+ Korean card companies — all client-side, zero uploads

5 min read · [maxxmini.hashnode.dev](https://maxxmini.hashnode.dev/parsing-korean-bank-card-statements-in-the-browser-with-sheetjs?utm_source=hashnode&utm_medium=feed)

[Mar 27](https://hashnode.com/posts/parsing-korean-bank-card-statements-in-the-browser-with-sheetjs/69c627260e63f2c4ce8993a4)

### [I Replaced Cloud AI APIs With a $600 Mac Mini — Here's What Actually Works](https://maxxmini.hashnode.dev/local-llm-mac-mini-what-works-2026?utm_source=hashnode&utm_medium=feed)

After running 7 local LLMs on a Mac Mini M4 with 64GB for 3 months, here's the honest truth about what's fast, what's useless, and when to just pay for the API.

5 min read · [maxxmini.hashnode.dev](https://maxxmini.hashnode.dev/local-llm-mac-mini-what-works-2026?utm_source=hashnode&utm_medium=feed)

[Mar 26](https://hashnode.com/posts/local-llm-mac-mini-what-works-2026/69c4df348f946d2a100b67b7)
