Why Your AI Agent Drowns in 50,000 Tokens of Tool Definitions
Why Your AI Agent Drowns in 50,000 Tokens of Tool Definitions Every time you connect an MCP server to your AI agent, you're adding thousands of tokens…
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Lucidchart ERD Alternative: A Desktop ERD Tool That Connects to Your Database
Disclosure: I build Schemity , a desktop ERD tool - this post is from our blog and uses it for the examples. TL;DR: Lucidchart draws entity relationsh…
Give Your Coding Agent a Deterministic Vulnerability Oracle
AI agents can write code, run tests, inspect dependencies, and open pull requests. But when they encounter a vulnerable package, their security reason…
Your AI Skills Have Two Dials. Most Ship With One Turned Off.
I have spent the past month reading skill libraries, and I kept feeling like I was comparing things that would not line up. One guide would compress s…
5 false positives that fool naive Solidity scanners (and how to kill them at the root)
In a paid audit, a false positive is not just noise — it's a credibility killer. Hand a founder a "CRITICAL: unprotected fund sweep" that turns out to…
Building an AI Content Publishing Workflow That Actually Holds Together
Scaling content output with AI is genuinely possible, but the breakdowns happen in the publishing layer — not the writing one. The gap between a gener…
Latte Java: Making Java Simple Again in 2026
Java has a problem. It is not the language itself. Java is powerful, performant, and widely used. The problem is everything around it. Installing the …
Monorepo vs polyrepo
How you split your code into repositories seems like a plumbing decision, but it quietly shapes how your team collaborates, ships, and reasons about t…
The Forgotten Symlink: Why 'It Works' Is Not the Same as 'It Is Maintained'
The best bug in a tooling repo is the one where you discover someone already solved your problem. The worst version is realizing nobody remembered. Wh…
What We Learned Building Browser-Based Image, PDF and AI Tools with WebAssembly
A lot of small media tasks still feel heavier than they should. Resize an image. Compress a PDF. Extract text from a scanned document. Blur a license …
Fresh one, I Built a Free Browser-Based Toolkit for Images, PDFs, Text, and Developers
I recently built JohnShine Tools, a collection of free online utilities designed to handle common image, PDF, text, network, and security tasks direct…
Codex Record & Replay principles
Codex Record & Replay is interesting because it starts from a very human habit: when something is hard to describe, show it once. Instead of writi…
The GitHub Repository Every Claude Code User Needs to Bookmark
There's a moment every Claude Code user eventually hits. You've gotten comfortable with the basics, you've written a few solid prompts, maybe you've e…
How Turborepo Makes Large JavaScript Projects Fast
Introduction Most projects start with a single repository. Imagine you're building an e-commerce platform: a Next.js storefront for customers, a React…
We thought our devs were using AI. We were wrong.
We did what most engineering teams do. Bought an OpenAI API key. Shared it on Slack. Told everyone to start using AI in their workflow. It felt like t…
iOS Compiler Independent of Xcode: Detailed Explanation of the kxbuild Tool in kxapp
In iOS development, compilation is rarely discussed. Most of the time, after writing code, you click Run, and the IDE handles the rest. But if you bre…
Best AI Tools for Product-Led Growth (PLG) in 2026: 8 Tools That Turn Product Usage Into Growth
According to the PLG AI 2026 SaaS Benchmarks report , the top 10% of B2B SaaS companies grow annual recurring revenue (ARR) at least 2.5× faster than …
Chrome Extension Development Setup: The 2026 Starter Guide | ExtensionBooster
The Chrome extension landscape has shifted significantly. Here's what's working. Chrome Extension Development Setup: The 2026 Starter Guide | Extensio…
Someone asked me if I knew of an alternative project management tool, so I developed one in about 24 hours.
AI is transforming the way we develop software. In the past, creating specific software required an entire team and months of work; AI has accelerated…
Best AI Test Case Generation Tools (2026 Guide)
Writing test cases has always been the part of QA work that eats the most time without producing the most value. Translating a requirements document i…
Grimicorn Neon: When a Calm Theme Goes Loud
Originally published on danholloran.me The original Grimicorn was an exercise in restraint: muted pastels on a blue-gray base, tuned so nothing on scr…
I Built a Browser-Only JSON Schema Validator — Draft-07, $ref, allOf/anyOf/oneOf, if/then/else, 173 Tests
I Built a Browser-Only JSON Schema Validator — Draft-07, $ref, allOf/anyOf/oneOf, if/then/else, 173 Tests JSON Schema validation usually means pulling…
Why I Built a Free Image Tools Site (And How Free Can Actually Work)
I saw the "I built 184 free browser tools" post on HN last week — 88 points, solid discussion. A lot of comments were asking the same questions: "How …
From ANSI to Ergo: Remapping the Transition
A common story in the mechanical keyboard community goes like this: someone starts suffering from repetitive strain injury (RSI) or general hand pain …
How To Manage AI Cognitive Overload – Lessons After 9 Apps Shipped in 4 Months
In the last four months, I managed to ship nine iOS apps . That’s a pace that would have been impossible for me before AI—completing even a single app…
An eval is just a test that returns a value
apte is an async-first test framework for Python where your unit tests and your LLM evals run in the same engine, with the same fixtures. The whole de…
AI Code Refactoring Tools in 2026: A Practical Developer's Guide
AI tools promised to make developers write cleaner code faster. The data tells a different story: developers are refactoring 60% less than before AI c…
Turning a Base M4 Mac Mini Into an Always-On Automation Box
Originally published on danholloran.me For the last year, most of my personal automation has lived on my MacBook Air. Blog cross-posting, content inge…
Treat prompt libraries as first-class deliverables for reliable AI code assistance
A working prompt library is the main event, not an appendix. The industry still treats prompts as some half-baked spitball left in a README, or, worse…
Why is so important for a Linux admin to master the sos command?
If you make a living by troubleshooting or diagnosing Linux systems whether in large production environments, or in small business with desktop comput…