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How to Create an AI Agent: A Production Walkthrough The first agent I shipped to production failed at 3am on a Sunday. It looped on a tool call, burned through $40 in tokens before my budget alarm fired, and left a half-written draft in the database with no way to resume. That night taught me more about agent design than any framework tutorial. Since then I have built a pattern I trust enough to leave running unattended for weeks at BizFlowAI, where agents research, write, optimize and publish content without me touching them. This is that pattern, stripped down to what actually matters. Start with the job spec, not the framework Before you pick LangGraph, CrewAI, or roll your own, write the agent's job spec like you would for a junior engineer. One paragraph. What it owns, what it must never do, what "done" looks like, and which signals tell you it failed. Here is the spec for one of my production agents: The Topic Researcher owns generating a ranked list of 20 content topics per site per week. It reads from keyword_pool and search_console_perf , writes to topic_queue . It must never publish, never call paid APIs more than 8 times per run, and must finish in under 6 minutes. Done = 20 topics with score >= 0.6 and zero duplicates against the last 90 days. Failure signal = empty queue after a run, or any topic flagged by the dedupe check. If you cannot write this paragraph, do not build the agent. You will end up with a "do everything" prompt that hallucinates its way through ambiguous tasks. The job spec becomes your evaluation rubric later, so write it carefully. Rule of thumb I use : if the spec needs more than 5 tools or more than 3 decision branches, it is two agents, not one. Design the tools before you write the prompt Most agent failures I have debugged were not prompt failures. They were tool failures. The model called a tool with wrong arguments, the tool returned a 4MB JSON blob, or two tools had overlapping responsibilities and the model picked the wrong

Denormalization has been the standard approach to analytical data modeling for good reason. Moving joins, lookups, and business rules out of query time and into ingestion gives you the fastest possible reads for a known access pattern. For most of the past decade, it was often the practical default for latency-sensitive analytics. Earlier columnar engines and distributed query processors could execute joins, but many workloads paid for them through higher latency, higher compute cost, spill-to-disk, or distributed coordination overhead. That constraint has loosened. Modern columnar databases with advanced join algorithms have reduced the cost of runtime joins enough that normalization is now a genuinely viable option for many analytical workloads. Denormalization still delivers faster reads, but normalization can bring operational benefits: simpler pipelines, flexible schemas, and cleaner governance. Engineers can now make the decision based on their actual workload characteristics, rather than being forced into one approach by engine limitations. This guide is a decision framework for making that choice in ClickHouse. It starts with why denormalization became the default, explains what has changed in join performance, then compares the tradeoffs on both sides so you can decide where to denormalize, where to join, and where to use ClickHouse primitives that bridge the gap. For a broader evaluation framework covering latency, concurrency, ingest throughput, SQL flexibility, and cost across real-time OLAP options, see our guide to choosing a database for real-time analytics in 2026 . For a deeper comparison of how ClickHouse executes star schema joins against Druid, Pinot, and cloud DWHs, see our star schema and fast joins guide . TL;DR Denormalization and normalization are both valid modeling strategies. The right choice depends on your workload. Denormalization's tradeoffs are primarily operational : pipeline complexity, write-path overhead, data freshness lag, back

I log commutes in a spreadsheet because mobility apps smooth over the ugly legs. Last week I added a column I should have tracked years ago: carry seconds ? time from curb to platform when stairs replace ramps. The hidden leg My one-wheel leg is fine on paper. Three metro exits on my route have no elevator during maintenance. Carrying a 14 kg wheel down 22 stairs does not show up in trip duration. It shows up in whether I arrive annoyed enough to skip coffee. What I logged (one week) Exit Stairs Carry time (s) Mood after (1-5) North gate 22 38 2 Side ramp (control) 0 8 4 East stairs 16 29 3 Battery delta on those days? Within noise. Mood delta? Not noise. A cheap decision rule I turned this into a go/no-go check before leaving: if stairs > 15 AND carry_weight_kg > 12: prefer transit-only or locker elif stairs > 0 AND wet_floor: walk the wheel (no riding in station) else: ride It is blunt. It works better than pretending every leg is rideable. Assumptions up front Wheel weight includes pads and charger pouch (~14 kg for my commuter setup). I am not timing competitive carries ? just whether I can do this daily without hating it. Your threshold differs if every exit has elevators. What I would do differently I would log carry seconds from day one, same tab as distance and battery percent. Range math without carry math is incomplete for anyone who mixes metro and one-wheel. I work around personal EVs and sometimes cross-check specs on the official Kingsong catalog. https://www.kingsong.com/collections/electric-unicycle

We've all been here. A new form shows up, you install React Hook Form, add Zod or Yup, and in ten minutes you have something that "works." The problem doesn't surface that day. It surfaces three months later, when the same VIN you validate in the create car form also has to be validated in edit , in import from Excel , and it turns out the rule —"17 characters, the last 5 numeric"— is written three times, each one slightly different, and none of them lives in a place you can point to and say "here is what a valid VIN is." A typical form with a library looks roughly like this: const schema = z . object ({ vin : z . string (). length ( 17 , " The VIN must be 17 characters " ), miles : z . number (). min ( 0 , " Miles cannot be negative " ), // ...and 8 more fields }); const { register , handleSubmit , watch , formState : { errors }, } = useForm ({ resolver : zodResolver ( schema ), }); It works. But if you stop to look at it, you're paying three costs that almost never get named: 1. Clean code dissolves. The business rule ends up scattered across the schema , the resolver , the register calls, the Controller s, and the JSX. The knowledge — what makes a car valid — has no home. It's wired into the UI. And what's wired into the UI doesn't get reused: it gets copied. 2. Performance and coupling are paid silently. These libraries live on subscriptions: watch , re-renders on every keystroke, internal state to keep in sync. For a contact form, who cares. For a screen with 15 fields, sub-forms, and cross-field validation, your component is tied to the library's lifecycle —not yours— and you start fighting it instead of using it. 3. Developer convenience is a trap. It's wonderfully convenient at first . But that same rule: how do you test it without mounting a component? How do you move it to the backend? How do you translate it into two languages without polluting the schema? Everything the library gave you for free, it charges you for the day you need to step outside its mo

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We built our first "multi-agent system" by accident. What started as a single agent that could research a topic, draft a report, check it against source data, and send a summary email had grown into a 2,000-token system prompt and a function list so long that the model kept forgetting tools existed. It wasn't a system — it was a monolith pretending to be intelligent. Breaking it apart into coordinated agents fixed most of the problems. It also introduced a new category of problems we hadn't thought about. Here's what we actually learned. When One Agent Is Enough (and When It Isn't) The temptation to add more agents is real, but the overhead isn't free. Every agent boundary you add is a place where context can get lost, latency increases, and errors compound. One agent is the right call when: The task fits in a single LLM context window without crowding The steps are sequential and each depends heavily on the prior output You need tight reasoning across all the information (summarising a document, for example) You need multiple agents when: A single agent's context window is being maxed out with tool definitions, history, or data Different steps require genuinely different "personas" or instruction sets (research vs. writing vs. fact-checking) Steps can run in parallel and the latency saving matters You want to isolate failure — if the data extraction agent fails, the report-writing agent shouldn't be affected The key question we ask: Is this one job or a pipeline of jobs? If you'd describe it to a human as "first do X, then Y takes that and does Z", you probably have a pipeline, not a single task. The Three Patterns We Actually Use 1. Supervisor-Worker A thin orchestrator agent decides what needs doing, dispatches to specialised worker agents, and stitches the results together. The workers are narrow — they do one thing and don't need to know about the rest of the workflow. This is our most common pattern. The supervisor's system prompt stays small because it's rout

Video demo link : https://youtu.be/vSjeTkrou1s?si=qTcrWyz0HSWDiWSF If you run Claude Code, Codex, or other AI agents, you know the pain: the terminal floods with generated output while you're still typing — and your keystrokes lag, characters "drag." TawTerminal fixes that. Your keystrokes go straight to the screen on a separate path from shell output, so typing stays instant even while an AI agent streams thousands of lines. What you get: ⚡ Zero input lag — GPU-accelerated (WebGL) rendering at 60fps, multi-process so heavy output never blocks your typing 📁 Workspace folders — pin folders in the sidebar, spawn a shell rooted in any directory in one click, with live git branch + status 🤖 One-click AI agents — launch Claude Code, Codex, PI, or tawx directly from the sidebar, sessions auto-restored 🪟 Split panes & tabs — Cmd+D to split, Cmd+T for tabs 🖼️ Paste images — drag-drop or Cmd+V images straight into the terminal 🎨 4 beautiful themes — Tokyo Night, Catppuccin Mocha, Dracula, Rosé Pine 📊 Live AI usage footer — see today's Claude Code / Codex token + cost estimate 🍎 Native macOS feel — clean hidden title bar, clickable URLs, custom fonts Requirements: macOS, Apple Silicon (M1 or newer). Signed & notarized by Apple — installs clean, no security warnings.

For some people, the ice in a beverage is almost as important as the drink itself. That’s the audience Govee had in mind when designing its latest ice maker, the GoveeLife Smart Nugget Ice Maker Pro. This $500 premium smart home gadget is aimed at those who crave what’s called “the good ice,” the soft, chewable […]

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