marshland / lab
The Lab
Behind the tech concierge service is an engineer who actually builds things. This is that side of it: stack decisions, experiments, products in progress, and tools I wrote because nothing else did the job.
Articles
6One Prompt Built My Music Tagging Tool. A Week of Iteration Made It Actually Work.
One AI prompt built a real macOS app in an afternoon. A week of iteration, caching, search, and error states, made it actually usable.
AI Makes Things Up. Here's How to Catch It
AI states inventions with total confidence: fake form numbers, fake deadlines, fake exemptions. A verification habit for small business owners.
5 Tells That Text Was Written by AI
The five patterns that give away unedited AI writing in reviews, emails, and web copy, and the 60-second fix that keeps the time savings.
Why Shorter AI Prompts Usually Win
Long prompts full of context often underperform one clear instruction. What prompt golf teaches about getting better results from AI.
What to Hand an AI Agent (and What to Keep)
AI agents are great at some jobs and dangerous at others. A practical sorting rule for small business owners deciding what to automate first.
The Cheap Engineer's Cold Email Stack
A solo developer's complete cold email setup for B2B outreach — real Gmail inboxes, proper warmup, lead enrichment, and an AI reply agent, under $75/month.
Resources
5Marshland Business Agents: Complete
All 14 Claude.ai Projects for service businesses. Everything in Core plus proposals, expenses, social content, cold leads, and scheduling. $147.
Marshland Business Agents: Core
Eight Claude.ai Projects for service businesses: inbox triage, lead response, invoicing, customer files, appointments, review replies, morning brief. $97.
Marshland Business Agents: Free Pack
Three free Claude.ai project templates for service businesses: Inbox Triage, Follow-Up Nudger, and Review Replies. No cost, MIT-licensed, copy-paste install.
Marshland Business Agents for Claude.ai
Fourteen Claude.ai project templates for service businesses: three free, eight in Core for $97, all 14 in Complete for $147.
Marshland Claude Agents Pro
Ten Claude Code subagents for TypeScript, SST v3, DynamoDB, and React work. Covers architecture, security, cost audits, DynamoDB design, Lambda, UI, and SEO.