Testing a Two-Chart Compatibility Engine Without Inventing Missing Data
A compatibility engine can be deterministic and still be dishonest. The obvious failure is a wrong calculation. The subtler failure is unjustified cer…
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Python Selenium Architecture and the Importance of Python Virtual Environments
Modern software development demands applications that are reliable, efficient, and capable of delivering an excellent user experience. As organization…
Understanding Python Selenium Architecture and the Importance of Python Virtual Environments
Modern software development demands applications that are reliable, efficient, and capable of delivering an excellent user experience. As organization…
How to Test AI Agents Without Calling More LLMs
AI-agent testing often starts with an expensive loop: call the agent, send its answer to another model, ask for a quality score, and hope the score is…
Your Agent's Memory Is a Markdown File. Let's Audit It.
Quick check: does your agent stack have a memory.md in it somewhere? An AGENTS.md ? A notes file the agent appends to when something seems worth keepi…
Debugging LLM Calls: How to Trace What Your AI Agent Actually Did
So I was messing around with a little side project, a chatbot that answers questions about the World Cup. Fun, low stakes, nobody's paycheck depends o…
I Wrote Integration Tests for My MCP Failure Library. Here's the Pattern That Caught 3 Hidden Bugs.
I'd been shipping fixes to my MCP failure library for weeks. Every release felt solid. Then I've written one real integration test - and three "fixed"…
I stopped writing rules for coding agents that CI could not enforce
I used to treat repository instructions as the finished product. Write a careful AGENTS.md . Explain the architecture. Ban any . Require named exports…
Did it check, or did it guess? Testing a tool whose output is written by an LLM
My first AI tool was ready, and in typical AI-era fashion, I rushed to publish it. After all, it worked. Or at least when I ran it, the output looked …
Why Legacy Rewrites Need a Judge, Not a Better Prompt
Lately I keep getting asked about legacy replacements. It's become one of the more common conversations I have, and the framing is almost always the s…
Shared-Database Multi-Tenancy in Laravel: The Foundation Layer
TL;DR Shared-database multi-tenancy = one database, every row tagged with tenant_id , a global scope that filters automatically. Three moving parts: a…
I once found a silicon bug in a protocol spec — not in the RTL.
True story from an AXI interconnect project. We had a well-verified slave. 500k+ simulation cycles. Code coverage > 98%. The DV team signed off. Ta…
What Uncle Bob's "I Don't Read Code Anymore" Taught Me About Testing
I've come across a post by Uncle Bob on X ( link ) (the author of Clean Code ) that has a couple thousand reposts. It states that he does not read cod…
Build an Evidence Supply Chain for Tests
Most teams think of automated tests as decision machines. Green means ship. Red means stop. That model works right up until the first ambiguous failur…
How to Start Bug Bounty Hunting in 2026: The Complete Beginner's Guide
Everything you need to know to find your first vulnerability, get paid, and build a real reputation in cybersecurity — without breaking any laws. If y…
The Skill Audit
Preface I want to be upfront about something before we get into it. None of the frameworks in this article is mine. The ideas here come from two peopl…
The agent gave the right answer and did the wrong thing
The bug that passes every test A refund agent ships v2. A customer asks for a refund. The agent replies: Your refund of $48.20 has been issued and wil…
Navigation Is a Commit Marker: Handling Partial Success in Blazor
Navigation looks harmless because it sits at the edge of the code: call a method, change the route, and continue the journey. But a redirect is not me…
I built a tool to prove my multi-agent harness was worth it. It told me it wasn't.
I spend most of my time on agentic systems, and I had absorbed the same idea everyone else has: a planner improves things, and a panel of drafters wit…
Stress-testing my Multi-LLM engine: 93 chunks, 8 models, and one "Insufficient Balance" error.
Last week, I decided to push my consensus engine, NexaVerify , to its absolute limits. I wanted to see if my architecture could handle a massive paral…
Treat Health-Data Revocation as a Distributed Convergence Protocol
Counterexample: a connector grant is revoked at epoch 8, but an import message created under epoch 7 is delayed. The primary store deletes its copy, t…
My marketing docs kept lying, so I put them in CI
My side project lans.cloud has 100 free browser tools. For three weeks, everything I posted about it — the launch article, the directory listings, the…
AI Can Write the Test. Your Team Owns the Maintenance
AI has made the first hour of test automation dramatically cheaper. Describe a workflow, paste a requirement, or point an agent at an application, and…
Your Test Suite Isn't Slow. It's Accumulating Decisions
Most browser test suites do not collapse in one dramatic moment. They get a little slower on Monday. A little noisier on Tuesday. Someone adds a retry…
Pytest - Production test Coverage
Production-Ready Pytest You've written solid tests — fixtures keep setup DRY, parametrization makes edge cases explicit, and temporary directories pre…
How an AI Agent Taught Me What "Passing Tests" Actually Means
When AI agents started showing up everywhere, I thought I'd finally found something that could make my job easier overnight. I was working in QA, stil…
Contain an AI Benchmark Breach With Four Independent Security Boundaries
A benchmark runner resolves a hostname, follows a redirect, reaches a third-party control plane, and writes successfully. The invariant already failed…
How to Evaluate a Testing Tool Without Falling for Feature Lists
Testing tools are easy to compare badly. Most evaluation pages turn into feature grids: Supports Chrome Supports CI Supports screenshots Supports AI S…
Make an Outbox Relay Lease Expire Without Violating Delivery Invariants
Relay A claims outbox row 42 and publishes its message. Before A records completion, its lease expires. Relay B claims row 42 and publishes it again. …
The Stack Under the Model: oMLX, llama.cpp, Hermes, and Why There Are So Many
Retort is a framework for comparing coding stacks, with results for versions of Claude and local tests on a 64GB M5Pro for many languages. It was deve…