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The Operator

I build operational systems for solo operators — prompt packs, automation tools, and frameworks that solve real problems. No theory. No team required.

Location italy Joined Joined on  Personal website https://coldriver8.gumroad.com

Work

Independent — Operational Systems & Automation Tools

One‑Click AI‑Generated Docker Image License Summary Bot

One‑Click AI‑Generated Docker Image License Summary Bot

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4 min read
Local SEO Audit Prompt Pack for 30‑Minute Walk Radius: A Practical Guide

Local SEO Audit Prompt Pack for 30‑Minute Walk Radius: A Practical Guide

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2 min read
EU Remote‑Work Visa Eligibility Report Prompt Pack: A Practical Guide

EU Remote‑Work Visa Eligibility Report Prompt Pack: A Practical Guide

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2 min read
Auto‑Generate Minimalist Finance Sheets with the Free Google Sheets API

Auto‑Generate Minimalist Finance Sheets with the Free Google Sheets API

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3 min read
Auto‑Generate Docker‑Compose for Free‑Tier ML Experiments

Auto‑Generate Docker‑Compose for Free‑Tier ML Experiments

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4 min read
LinkedIn Outreach Sequence Prompt Pack: A Practical Guide

LinkedIn Outreach Sequence Prompt Pack: A Practical Guide

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2 min read
Zero‑Code Budget Planner with LLM Prompt Pack: A Practical Guide

Zero‑Code Budget Planner with LLM Prompt Pack: A Practical Guide

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2 min read
Consolidate Your Solo Ops: A One‑Workspace Notion OS for Planning, CRM & Follow‑ups

Consolidate Your Solo Ops: A One‑Workspace Notion OS for Planning, CRM & Follow‑ups

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2 min read
One‑Click PHP 8.3 Security Hardening Prompt Pack for Small SaaS Teams

One‑Click PHP 8.3 Security Hardening Prompt Pack for Small SaaS Teams

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3 min read
Instant PHP CVE IR Playbook Prompt Pack: A Practical Guide

Instant PHP CVE IR Playbook Prompt Pack: A Practical Guide

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2 min read
Instant rsync Cheat Sheet & Script Pack: A Practical Guide

Instant rsync Cheat Sheet & Script Pack: A Practical Guide

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2 min read
Auto‑Generate Security Incident Heatmaps from CSV with LLM Prompts

Auto‑Generate Security Incident Heatmaps from CSV with LLM Prompts

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4 min read
Configure SSH Keys with Touch ID on macOS in Minutes

Configure SSH Keys with Touch ID on macOS in Minutes

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3 min read
Secure Laravel 11 Deployments with Trivy and GitHub Actions

Secure Laravel 11 Deployments with Trivy and GitHub Actions

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3 min read
PHP 8.3 Upgrade Cheat Sheet for Developers: A Practical Guide

PHP 8.3 Upgrade Cheat Sheet for Developers: A Practical Guide

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2 min read
Zero‑Dependency Cookie Consent Script for Italian GDPR Compliance: A Practical Guide

Zero‑Dependency Cookie Consent Script for Italian GDPR Compliance: A Practical Guide

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2 min read
How to Identify the First Three Automation Wins in a Small Business with a Simple Time Audit

How to Identify the First Three Automation Wins in a Small Business with a Simple Time Audit

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4 min read
Zero‑Cost LLM Daily Stand‑up Summarizer for Remote Teams

Zero‑Cost LLM Daily Stand‑up Summarizer for Remote Teams

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3 min read
Instant GDPR Data‑Subject Request Letter Prompts (Italian): A Practical Guide

Instant GDPR Data‑Subject Request Letter Prompts (Italian): A Practical Guide

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2 min read
Free‑Tier LLM Italian Tax‑Deduction Finder for Freelancers

Free‑Tier LLM Italian Tax‑Deduction Finder for Freelancers

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3 min read
Instant AI‑Ethics Impact Assessment Prompt Pack: A Practical Guide

Instant AI‑Ethics Impact Assessment Prompt Pack: A Practical Guide

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2 min read
Turn LLM Prompt Packs into Ready‑to‑Ship SaaS Documentation

Turn LLM Prompt Packs into Ready‑to‑Ship SaaS Documentation

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4 min read
Prompt Engineering Techniques for Mini‑Max M3.1 Flash Demos

Prompt Engineering Techniques for Mini‑Max M3.1 Flash Demos

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3 min read
Run Mistral Time‑Series Forecasts for Weekly Sales in One Day: A Practical Guide

Run Mistral Time‑Series Forecasts for Weekly Sales in One Day: A Practical Guide

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2 min read
Instant GDPR Compliance Pack for SaaS Founders: A Practical Guide

Instant GDPR Compliance Pack for SaaS Founders: A Practical Guide

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2 min read
Why Writing C for the Web in 2026 Makes Sense

Why Writing C for the Web in 2026 Makes Sense

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4 min read
Notion Agent Prompt Pack: Deploy LLM Agents in Minutes: A Practical Guide

Notion Agent Prompt Pack: Deploy LLM Agents in Minutes: A Practical Guide

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1 min read
Repurposing One Piece of Content into a Week of Posts with an AI‑Driven Workflow

Repurposing One Piece of Content into a Week of Posts with an AI‑Driven Workflow

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4 min read
Domain Migration Toolkit: Risk, DNSSEC & Zero‑Downtime: A Practical Guide

Domain Migration Toolkit: Risk, DNSSEC & Zero‑Downtime: A Practical Guide

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2 min read
JPEG XL vs AVIF: Choosing the Right Image Format for Core Web Vitals

JPEG XL vs AVIF: Choosing the Right Image Format for Core Web Vitals

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3 min read
AI Firmware RE Toolkit: Prompts, Scripts & Checklist: A Practical Guide

AI Firmware RE Toolkit: Prompts, Scripts & Checklist: A Practical Guide

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2 min read
Practical Linux Kernel Hardening: Mitigating Exploits Like the Recent ISO Download Vulnerability

Practical Linux Kernel Hardening: Mitigating Exploits Like the Recent ISO Download Vulnerability

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2 min read
Client-Side AI Deployment Checklist: Ship Fast, Run Lean: A Practical Guide

Client-Side AI Deployment Checklist: Ship Fast, Run Lean: A Practical Guide

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2 min read
Browser AI Deployment Toolkit: Convert, Optimize, Ship: A Practical Guide

Browser AI Deployment Toolkit: Convert, Optimize, Ship: A Practical Guide

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2 min read
Running AI Models in the Browser: Practical WebGPU/WASM Inference for Production Web Apps

Running AI Models in the Browser: Practical WebGPU/WASM Inference for Production Web Apps

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3 min read
Why Docker Can’t Use Your Mac’s GPU — and How to Pool Apple Silicon Macs for LLMs Instead

Why Docker Can’t Use Your Mac’s GPU — and How to Pool Apple Silicon Macs for LLMs Instead

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3 min read
AI Bot Defense Toolkit: Deploy Production-Ready Detection in Hours: A Practical Guide

AI Bot Defense Toolkit: Deploy Production-Ready Detection in Hours: A Practical Guide

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2 min read
Building a Distributed LLM Cluster from Idle Apple Silicon Macs (Corrected Guide)

Building a Distributed LLM Cluster from Idle Apple Silicon Macs (Corrected Guide)

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3 min read
Prompt Engineering for AI Roles: Hiring Manager & Engineer Guide: A Practical Guide

Prompt Engineering for AI Roles: Hiring Manager & Engineer Guide: A Practical Guide

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2 min read
Turn a WiFi 7 Router into a 320 Msps SDR Receiver

Turn a WiFi 7 Router into a 320 Msps SDR Receiver

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3 min read
Building a Production-Ready C Web Service with libevent and Containers

Building a Production-Ready C Web Service with libevent and Containers

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2 min read
Building Context-Aware AI Agents That Understand User Intent: Beyond Simple Prompt Engineering

Building Context-Aware AI Agents That Understand User Intent: Beyond Simple Prompt Engineering

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4 min read
Implementing Browser Fingerprinting for Fraud Detection: A Privacy‑First Practical Guide

Implementing Browser Fingerprinting for Fraud Detection: A Privacy‑First Practical Guide

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2 min read
Implementing Passkeys in Production: Avoiding Common Pitfalls

Implementing Passkeys in Production: Avoiding Common Pitfalls

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3 min read
Self-Hosted LLM Prompt Library: Generate Production Code Fast: A Practical Guide

Self-Hosted LLM Prompt Library: Generate Production Code Fast: A Practical Guide

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2 min read
How to Usability-Test Your README: A Practical Guide for Open Source Maintainers

How to Usability-Test Your README: A Practical Guide for Open Source Maintainers

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2 min read
Deploy AI Agents on Cloudflare Workers—Free Tier Complete Kit: A Practical Guide

Deploy AI Agents on Cloudflare Workers—Free Tier Complete Kit: A Practical Guide

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2 min read
Building a Self-Hosted AI Agent on Cloudflare's Free Tier: From Zero to Production

Building a Self-Hosted AI Agent on Cloudflare's Free Tier: From Zero to Production

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5 min read
AI Productivity Bundle 2026: A Practical Guide

AI Productivity Bundle 2026: A Practical Guide

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2 min read
AI Agent UI Automation Toolkit: Build Agents That See and Click: A Practical Guide

AI Agent UI Automation Toolkit: Build Agents That See and Click: A Practical Guide

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2 min read
Ship Your First AI API Integration Today: 10 Python Scripts: A Practical Guide

Ship Your First AI API Integration Today: 10 Python Scripts: A Practical Guide

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2 min read
Securing AI Agents: Enforce Boundaries Outside the Model, Not Inside the Prompt

Securing AI Agents: Enforce Boundaries Outside the Model, Not Inside the Prompt

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4 min read
Testing AI Agent Guardrails Before Production: A Practical Playbook

Testing AI Agent Guardrails Before Production: A Practical Playbook

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4 min read
Visual Grounding for AI Agents: Set-of-Mark Prompting and Reliable UI Clicks

Visual Grounding for AI Agents: Set-of-Mark Prompting and Reliable UI Clicks

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4 min read
Building Screen Automation Agents: Vision, Grounding, and Reliable UI Control

Building Screen Automation Agents: Vision, Grounding, and Reliable UI Control

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4 min read
Whistle: Local Speech-to-Text in 16.9 MB, No Cloud Required

Whistle: Local Speech-to-Text in 16.9 MB, No Cloud Required

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5 min read
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