Groow Labs

We’re senior engineers building production AI, AR/VR, Web3, and mobile applications. Most of what we publish here comes straight out of client engagements, patterns we keep reaching for, mistakes we don’t want to make twice, and decisions we wish we’d seen written up before we had to make them ourselves.

Evaluation · 12 Aug, 2026 · 06 Mins read

Policy-Violation Testing: Will Your Agent Refuse a Bad Instruction?

An agent that scores well on your task benchmark can still delete the wrong file, close a ticket it should have escalated, or push a change…

Evaluation · 12 Aug, 2026 · 06 Mins read

Signing Off an MCP Agent Before Production: The Pre-Deployment Checklist

Most teams ship an MCP agent to production the same way they ship a feature: it passed the demo, the tests are green, and someone says "look…

Agents · 10 Aug, 2026 · 05 Mins read

Agent Trajectory Evaluation: Score the Path, Not Just the Answer

Scoring only the final answer of an agent is dangerous. An agent can return the correct result while calling the wrong tool, retrying five t…

AI · 04 Mar, 2026 · 05 Mins read

AI Evals: Beyond Vibes-Based QA

The most common AI quality-assurance setup we see in production is one engineer running a few prompts through the new model version, eyeball…

AI · 18 Mar, 2026 · 05 Mins read

AI for Enterprise Ops: Where the ROI Actually Lives

Most enterprise AI projects don't fail because the technology doesn't work. They fail because the team picked a workflow where AI doesn't co…

AI · 08 Aug, 2026 · 05 Mins read

Benchmark Contamination: Why LLM Leaderboards Lie

Benchmark contamination is when benchmark data leaks into a model's training data, so the model has effectively seen the test before taking…

AI · 26 Apr, 2026 · 07 Mins read

Building an AI Workforce for Your Company

The pitch your team has heard ten times this year: "We can replace 30% of your ops headcount with AI." The pitch usually comes attached to a…

Web3 · 08 Jan, 2026 · 05 Mins read

Account Abstraction in Production: ERC-4337 for Mainstream Users

The biggest reason consumer Web3 hasn't gone mainstream isn't the technology. It's that every onboarding flow asks the user to understand se…

AI · 22 Apr, 2026 · 04 Mins read

Shipping AI Agents That Hold Real Money

Most agent demos you'll see are toys. A model wrapped in a loop, given a few tools, and pointed at a sandbox. The interesting question, the…

Evaluation · 12 Aug, 2026 · 06 Mins read

Choosing a Model for Your Agent With Evidence, Not a Leaderboard

The model at the top of the leaderboard is not necessarily the model you should ship. Leaderboards rank one axis, task score, on someone els…

AI · 01 Aug, 2026 · 05 Mins read

Contamination-Free LLM Evaluation: A Practical Guide

Contamination-free LLM evaluation means testing a model on data it could not have seen during training. If your evaluation set overlaps with…

Web3 · 11 Feb, 2026 · 04 Mins read

Cross-Chain Bridges That Don't Get Drained

Cross-chain bridges have lost more money than any other category of DeFi protocol. The cumulative number across the major incidents, Ronin,…

AI · 01 Apr, 2026 · 05 Mins read

Cutting AI Costs by 10x Without Cutting Quality

Most AI products we audit are paying somewhere between 5× and 10× what they need to be paying. The reasons are remarkably consistent across…

AI · 06 Aug, 2026 · 05 Mins read

Agent Harness vs Model: Why the Harness Moves Your Scores

Yes, the harness affects LLM performance, and it affects it a lot. You do not ship a model. You ship a system: a prompt, an agent loop, tool…

AI · 05 Aug, 2026 · 05 Mins read

Is LLM-as-a-Judge Reliable? Biases and How to Fix Them

LLM-as-a-judge is reliable, but only when you control for its known failure modes. Used as a raw scorer it inherits three documented biases…

Process · 25 Mar, 2026 · 05 Mins read

How We Scope a Product in Five Days

Most agency engagements get into trouble in the first two weeks, before a single line of code has been written. The team is excited, the fou…

Web3 · 22 Apr, 2026 · 06 Mins read

LMSR vs Orderbook: Picking a Prediction Market Engine

A prediction market needs an engine that does one job: turn an order to buy or sell into a price. There are two answers in production today,…

Evaluation · 11 Aug, 2026 · 05 Mins read

MCP Tool Selection Evaluation: Test Your Own Tools

Public MCP benchmarks cannot tell you whether your agent picks the right tool from your MCP servers. They test generic, fixed toolsets under…

Agents · 03 Aug, 2026 · 05 Mins read

How Reliable Are AI Agents in Production? What to Measure

A demo tells you an agent can do a task once. Production asks whether it can do the task a thousand times unattended without a costly mistak…

Engineering · 30 Jan, 2026 · 05 Mins read

From MVP to Scale: When to Refactor and When to Rewrite

There's a moment, usually nine to eighteen months into a successful product, when the team starts having the same conversation in slightly d…

AI · 07 Aug, 2026 · 05 Mins read

There Is No Best LLM: How to Choose the Right Model per Task

There is no best LLM. There is only the best model for a specific job, measured on your task, through your harness, against your budget. So…

Web3 · 04 Dec, 2025 · 04 Mins read

NFT Marketplaces with Enforced Creator Royalties

The race to zero on NFT royalties between 2022 and 2024 nearly killed creator economics on-chain. Marketplaces optimized for trader volume o…

Agents · 04 Aug, 2026 · 06 Mins read

pass@k vs pass^k: The Honest Agent Reliability Metric

pass@k is the probability that an agent succeeds on at least one of k tries. pass^k is the probability that it succeeds on all k tries. That…

Web3 · 11 Mar, 2026 · 05 Mins read

Building a Perpetual DEX: Production Architecture

Perpetual DEXes look simple from the outside. Users post collateral, take leveraged positions, the protocol manages the book, and someone, L…

Web3 · 25 Feb, 2026 · 05 Mins read

Building a Polymarket-Style Prediction Market

Prediction markets are simple to describe and unforgiving to build. Users buy shares in outcomes ("Will X happen by Y date?"), prices move t…

AI · 02 Aug, 2026 · 05 Mins read

Private Eval vs Public Benchmark: When You Need Each

Use a public benchmark to survey the field and shortlist models. Use a private eval to decide what you ship. A benchmark is a shared public…

AI · 15 Apr, 2026 · 05 Mins read

Production RAG: From Demo to a System That Doesn't Hallucinate

The first version of any RAG system works on a curated demo set. The user asks a question, the system returns relevant chunks, the model ans…

Mobile · 18 Feb, 2026 · 05 Mins read

React Native vs Native: A 2026 Decision Framework

The "React Native vs native" debate has been running for so long that most of the takes you'll find online are stale. The state of both ecos…

Web3 · 18 Dec, 2025 · 05 Mins read

RWA Tokenization: A Pragmatic Architecture for Institutional Assets

Real-world asset tokenization is one of the categories most-talked-about and least-shipped in Web3. The 2025 wave finally produced some real…

Web3 · 08 Apr, 2026 · 05 Mins read

The Pre-Audit Checklist Every Protocol Team Should Run

A smart contract audit is one of the more expensive engineering invoices most protocol teams ever sign. A serious firm bills $50–250k for a…

Web3 · 22 Jan, 2026 · 05 Mins read

Stablecoin Payment Rails for B2B Products

Stablecoin volume in 2025 surpassed Visa's transaction volume. Most of that is on-chain trading, not real-economy payments, but the share th…

AI · 24 Sep, 2026 · 05 Mins read

AI for Learning and People Teams: Six Workflows to Automate First

Learning and people teams in large organisations have a particular kind of workload. A small number of specialists support thousands of empl…

AI · 24 Sep, 2026 · 05 Mins read

Microsoft 365 Copilot Rollouts Fail on Permissions, Not the Model

Buying Microsoft 365 Copilot licences takes an afternoon. Getting a pilot group to trust what Copilot tells them takes months, and most of t…