The journal
A little perspective.
Notes on product thinking, engineering, and the decisions that take an idea from brief to launch.
The Reliability Contract: Moving From Task Success to State-Bound Evidence
Task success metrics hide the operational flaws that cause production incidents in agentic coding. This article shows founders how to build a reliability contract around state preservation, provenance, and verification instead.
The Integration Threshold: When to Move From Chat-Based AI to System-Integrated Agents
Chat-based AI interfaces are easy to validate but limited in value, while system-integrated agents carry real risk if adopted too early. This article gives founders a concrete framework and readiness checklist for knowing exactly when to make that transition.
The Commitment Gap: Distinguishing Between User Sentiment and Behavioral Demand
Polite interest and real market demand are not the same thing, and confusing them is one of the most expensive mistakes a founder can make. This article shows how to test for behavioral commitment, not just opinions, before investing in a build.
The Durability Gap: Distinguishing Agent State From Workflow Persistence
Agent reasoning state and durable workflow state are often treated as the same thing, leading to silent data loss when agentic MVPs hit production failures. This article explains how founders should architect the boundary between the two.
The Decoupled Intelligence Strategy: Architecting AI MVPs for Model Agility
AI MVPs fail founders when the model and the application are welded together, turning every provider switch into a rebuild. This guide shows how to architect a decoupled model layer, with a router pattern and hypothetical example, so you can swap AI models without rewriting your product.
The Invalidation Mindset: Moving Beyond Confirmation Bias in Startup Discovery
Most startup validation fails because founders design tests to confirm what they already believe rather than expose weaknesses. This article lays out a practical protocol for seeking disconfirming evidence before committing to a build.
The Agentic Perimeter: A 2026 Framework for Securing Autonomous Workflows
Agentic applications operate across APIs, databases, and code execution environments without constant human oversight, which means security has to be designed in from the start rather than added later. This article lays out a practical, tiered framework founders can use to scope permissions, defend against prompt injection, and monitor agent behavior at runtime.
The Rebuild-vs-Extend Dilemma: When to Transition Your AI-Generated MVP to Production Code
AI-generated MVPs are great for validation but not built to carry real customers, and the rebuild decision should be made component by component rather than all at once. This article gives founders a concrete framework for deciding which parts of their vibe-coded MVP need production-grade rework first.
The Outcome-Based ROI Framework: Moving Beyond Token-Cost Metrics for Agentic MVPs
Traditional SaaS metrics like seat counts and token usage don't capture the value of autonomous agentic workflows. This article outlines an outcome-based ROI framework built around baselines, cycle time, and error rate improvements.
The Agency Tax: How to Quantify Hidden Costs in Agentic MVPs
Founders often measure agentic MVPs by task completion alone, missing the hidden verification and re-run costs that can quietly erode margins at scale. This article shows how to instrument, measure, and control the 'agency tax' before it becomes an unaffordable surprise.
The Modular Monolith Strategy: Balancing MVP Speed with Future Pivotability
Learn why a modular monolith, not microservices, is usually the right architecture for an early-stage MVP, and how to set module boundaries that survive a pivot. Includes a hypothetical example, tradeoffs, common mistakes, and a founder checklist.
The Evidence Ladder: How to Rank Validation Signals From Weak to Strong
Most founders confuse activity with proof, mistaking waitlist signups for real demand. An evidence ladder ranks validation signals from weak opinions to strong resource commitments, helping founders know when they've actually earned the right to build.
Beyond Task Success: A 2026 Framework for Measuring Agentic Reliability and ROI
Task success rates hide the variance, cost drift, and safety gaps that determine whether an agentic workflow is actually production-ready. This article outlines a multidimensional reliability framework plus cost metrics like ACCT and AVM to help founders measure agentic AI honestly.
The AI Debt Reckoning: Identifying and Managing Hidden Technical Debt in 2026
AI coding agents can produce code that passes tests today but hides architectural assumptions that break the moment your product changes shape. This guide gives founders a practical framework for telling reasonable early trade-offs apart from dangerous hidden AI debt.
The Pivot-or-Persevere Dilemma: A 2026 Framework for Deciding When to Change Direction
Learn a structured, evidence-based framework for telling apart a genuine product-market fit problem from an execution gap, so you don't pivot away from a working idea or persevere through a dead one. Includes a worked hypothetical, tradeoffs, common mistakes, and a decision checklist.
Solving Agentic Amnesia: How to Give AI Coding Agents Persistent Memory
AI coding agents are natively stateless, which means founders often waste hours re-explaining context every session. This article breaks down four practical architectures for persistent agent memory, from lightweight local schemas to production-grade stateful runtimes.
Avoiding the Schema Trap: Designing Evolvable MVP Data Models
A handful of early, deliberate schema decisions determine whether your MVP can grow smoothly or requires a risky rebuild. This article outlines the specific choices founders need to lock in before writing their first migration.
Beyond Equal Splits: A Dynamic Framework for Founder Equity Allocation
Equal equity splits are convenient but often signal unresolved questions about contribution and commitment. This article outlines a weighted framework for allocating founder equity, paired with vesting safeguards and a revisit schedule tied to your startup's actual evolution.
Beyond Logging: Observability for Autonomous Agentic Workflows
Simple LLM call logs cannot explain why an autonomous agent failed across multiple tool calls, retries, and handoffs. This article breaks down the four layers of real agentic observability, with a hypothetical debugging example and a founder-ready checklist.
Future-Proofing Your MVP: Data Architecture Decisions That Prevent Costly Rewrites
The database decisions founders make in week one of an MVP often determine whether the product scales cleanly or requires a costly rewrite a year later. This article breaks down the specific primary key, event log, and data separation choices worth making before writing feature code.
Beyond Vanity Metrics: A 2026 Framework for Validating Demand Before Writing Code
Vanity metrics like likes and signups feel encouraging but rarely predict whether anyone will pay. This article gives founders a sequenced framework for testing commitment, activation, and willingness to pay before committing engineering resources to an MVP.
Securing the Agentic Workflow: Locking Down AI Coding Agents With System Access
AI coding agents with terminal and file access create a real attack surface through indirect prompt injection and credential exposure. This guide walks founders through sandboxing, credential scoping, and audit practices to secure agentic development workflows.
The Bicycle to Car Fallacy: Architecting Your MVP for Scale Without Over-Engineering
Founders often try to upgrade their MVP into a scalable product the way you'd bolt an engine onto a bicycle, but that approach breaks under real usage. This article explains how to build modular from day one and recognize when it's time to redesign rather than patch.
AI App Development: How to Build a Production-Ready MVP in 2026
Learn how to build a production-ready AI MVP in 2026 by focusing on high-impact workflows and leveraging agentic engineering to launch in weeks.