2.1 Million Lines of Code in 3 Months — Will Jeffcoat-McLeod of Monveri cover art

2.1 Million Lines of Code in 3 Months — Will Jeffcoat-McLeod of Monveri

2.1 Million Lines of Code in 3 Months — Will Jeffcoat-McLeod of Monveri

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▶ Watch this episode on YouTube: https://www.youtube.com/watch?v=DrFvFEQzVig

About this episode: Will Jeffcoat-McLeod isn't a vibe coder. He's been writing software since 1999, and earlier this year he was openly against AI. Three months later, he's shipped Monveri — a full SaaS business platform with 2.1 million lines of code, 6,000 table columns, an iOS companion app, multi-marketplace inventory sync, and a kitchen display system in active development for restaurants. He's also built seven other apps along the way, including an embroidery file library and his mom's nonprofit website refresh.
This episode is a working clinic on how a senior engineer actually uses AI as a tool — not a replacement. Will walks through his plan-file discipline (every project starts in plan mode, never code-first), his per-tab workflow to avoid hallucination drift, his branding contract pattern that solved the "every report looks different" problem, and why he interrupts Claude at least once during every implementation.
We also get into the parts most builders don't talk about: the cussing matches, the $1,500 AWS horror stories, the cost loops, and why "full autonomy" is still a no for him — his name is on the product.

What we cover:
- How Claude amplified 25 years of dev experience
- What Monveri actually is and the pain points it solves
- Per-tenant database architecture and the security argument for it
- From AI skeptic to AI orchestrator — the turning point
- Plan files, implement files, and the markdown discipline
- Per-tab workflow and why long compaction loops cause hallucinations
- The branding contract that fixed UI drift across 46 reports
- The embroidery library side project that almost broke him
- Mom's website rebuilt in 2 hours — and what that compresses
- How long Monveri would have taken without AI (~2 years)
- Where Monveri goes next: restaurants, KDS, bar inventory
- Why Will keeps his hand on the wheel — and the AWS cost-loop horror stories
- Advice for builders dipping their toes in: start small, plan first

About RiskCast RiskCast documents the real experience of building with AI agents — the good, the bad, the ugly. Hosted by Stefan Friend from Tabbris Innovation Center in Charlotte, NC.

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- Monveri — https://monveri.co

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