A knowledge base that logs daily experiences and learning journeys, sharing them with you to grow together.
This article walks through a six‑step, AI‑augmented review‑driven development workflow—using Spec‑Kit commands, devil‑style iterative reviews, and TDD—to turn a simple "user login failure lock" requirement into a robust, well‑tested implementation while catching design flaws early.
The article details how a three‑engineer team used OpenAI's Codex agents to generate an entire production‑ready software stack—including over a million lines of code, 1,500 pull requests, and a full CI/CD pipeline—in roughly one‑tenth the effort of manual coding, while describing the architectural, operational, and organizational adjustments required for such agent‑first development.
LangChain’s Harness Engineering framework tuned system prompts, tool selection, and middleware to turn a rank‑30 programming agent into a top‑5 performer on Terminal Bench 2.0, using trace‑driven analysis, inference‑sandwich scheduling, and context engineering without changing the underlying model.
The article details how a GAN‑inspired multi‑agent harness—combining a generator, an evaluator, and a planner—overcomes context‑window anxiety and self‑evaluation bias, enabling Claude to produce higher‑quality front‑end designs and full‑stack applications through iterative scoring, sprint contracts, and extensive cost‑benefit experiments.
As large language models become more capable, Harness engineering will not disappear but evolve—simplifying some components while taking on more complex tasks, requiring new memory systems, multi‑model collaboration, adaptive observability, and a shift in engineers' roles, all backed by concrete examples and actionable roadmaps.
Trace analysis converts the opaque decision‑making of AI agents into observable data, enabling systematic collection, parallel error detection, targeted improvements, and iterative experimentation, while revealing common failure patterns, budgeting trade‑offs, over‑fitting risks, and cost‑optimization opportunities through a reusable Trace Analyzer Skill framework.
The article analyzes why a single AI struggles to self‑evaluate, presents Anthropic’s three‑agent (Planner, Generator, Evaluator) architecture with concrete DAW‑building examples, sprint contracts, cost‑benefit tables, and step‑by‑step processes that show how each role solves specific problems and improves overall quality.
This article explains why AI can only act on information that appears in its context window, outlines the twin problems of missing data and overload, and presents a practical methodology—including AGENTS.md maps and LangChain's LocalContextMiddleware implementation—to engineer concise, searchable context for reliable agent behavior.
This article explains how AI agents often stall, repeat mistakes, or diverge on complex tasks, argues that the missing piece is a well‑designed harness, and demonstrates with real‑world case studies from OpenAI, LangChain, and Anthropic how a six‑component harness can boost performance by over 13 percentage points and enable million‑line code generation.
The article introduces the Plan-and-Solve design pattern for AI agents, explaining how separating planning and execution improves handling of complex tasks, compares it with ReAct, provides detailed workflow diagrams, concrete examples such as weekly report generation, and offers a full Python implementation with dynamic replanning and result aggregation.
