The NAS Digital Blog

Practical security guidance, .NET deep-dives, and the occasional rabbit hole — written for the engineers shipping AI into systems that matter.

Indie Business n8n Automation Claude Indie

The n8n + Claude Workflow Market: Who's Winning and Why

There are 1,784 n8n automation products on Gumroad. Most are dead. But buried in that data is a market that actually works — and it's dominated by a specific type of product and creator.

PWYW dominates the top-rated n8n products, but fixed-price products with outcome-specific framing punch above their weight on absolute revenue. Here's what the data shows.

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Creator Economy Etsy Art Maker Niche

Exotic Pet Portrait Commissions: The Underserved Niches Worth Building

The pet portrait market on Etsy is saturated. Dogs and cats dominate. But exotic pets — horses, birds, rabbits, reptiles — show a structurally different picture: thin competition, no established sellers, and early-stage positioning opportunity.

The honest caveat: demand is early-stage and unproven. This is a positioning bet, not a proven revenue path.

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Indie Business Gumroad Indie Product Data

Gumroad Title Formulas That Win: Data-Backed Patterns for Dev Tool Sales

If you're selling Claude prompts, AI workflows, or developer tools on Gumroad, your title is doing more heavy lifting than you might think. A look at the top-rated products reveals a clear pattern: specific, outcome-focused titles outperform vague ones by orders of magnitude.

Three structural patterns emerge from ORACLE's July 2026 Gumroad research — none of the top products use "prompt pack" in the title.

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Creator Economy Printify Print on Demand Ecommerce Creator

Printify UK Providers: Canvas, Posters, Framed Art — Cost & Quality Breakdown

If you're running print fulfillment for art through Printify, your UK provider choice determines cost per unit, quality consistency, and shipping time. Get it wrong and your margins compress.

A detailed breakdown of Print Pigeons, OPT OnDemand, and Scalable Press — with real cost data, quality notes, and a decision framework.

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Creator Economy Etsy AI Art Pricing Creator

Pricing Disclosed AI Art Commissions on Etsy: A Practical Breakdown

The disclosed AI art market on Etsy exists. It has distinct pricing logic, policy rules, and fulfillment economics that don't translate from traditional illustration or print-on-demand.

Here's the real unit economics, the policy guardrails, and the actual path to revenue — with Printify print add-on options included.

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Indie Business AI Monetization Developer Business

Monetizing Developer AI Tools: Why Distribution Beats Product Quality

If you've built an AI tool and it's not selling, look at distribution first. Product quality is a floor condition, not a differentiator. Distribution strategy, pricing tier positioning, and audience access are the actual levers.

The pattern across Gumroad, itch.io, and Etsy for AI-native products is consistent — and it's almost never the product that's the problem.

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Game Dev Indie Game Assets Programming

Level Up Your Game Assets: 40 Characters, Zero Restyling

If you've bought a character asset pack before, you know the drill: the art is fine, but the characters don't fit your game. No lore, no stats, no sense of who these people are. You end up inventing all of that yourself, which is the part that actually takes time.

I built the Ultimate Character Collection to ship the documentation alongside the art — 40 characters across four packs, each with a Character Bible, stat cards, and Ren'Py-ready scripts.

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Security Semantic Kernel CVE MCP

There's a Second, Worse Semantic Kernel CVE, and It's Part of a Pattern

A few months ago I wrote about CVE-2026-25592, the CVSS 9.9 prompt injection bug in Microsoft's Semantic Kernel that let a malicious prompt reach code execution. At the time I treated it as a single, severe, but isolated incident.

It wasn't isolated. Microsoft has now disclosed CVE-2026-26030, a second Semantic Kernel vulnerability, CVSS 9.9. And the pattern it's part of is bigger than one framework.

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Security Semantic Kernel SQL Injection .NET Azure AI Agents NL2SQL

Your Semantic Kernel Text-to-SQL Agent Trusts the LLM. That's the Vulnerability.

I last wrote about CVE-2026-25592, a CVSS 9.9 vulnerability in Semantic Kernel's DownloadFileAsync helper. The fix was a one-line patch. The argument I made was that the patch closes the specific exploit but does nothing about the architectural mistake underneath: treating [KernelFunction] as documentation rather than as a security boundary.

That post focused on file paths. This one is about something more common and, in production, far more damaging.

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Security Semantic Kernel CVE .NET Azure AI Agents

Your Semantic Kernel Agent May Still Be Vulnerable After the CVSS 9.9 Fix

On 7 May 2026, Microsoft disclosed critical vulnerabilities in Semantic Kernel, the official .NET framework used to build AI agents and LLM-powered applications. Among them was CVE-2026-25592, a vulnerability that received a CVSS 9.9 rating.

If you've upgraded to Semantic Kernel 1.71.0, you've applied Microsoft's official fix. Many teams considered the issue closed at that point.

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