Field notes from a non-coder who shipped ~30 real AI apps without knowing what npm meant — every post welded to something actually tried, scars and all.
cross-review.mjs.
field guide
MCP · CONNECT
“Check my Notion.” It can't. It's in an empty room.A chat model has no hands until you plug tools in — MCP is the standard plug.
✓ worked
SKILL
“Pull the claims, dedupe, filter, format…” again.A procedure you re-type from memory is one you'll eventually get wrong.
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GUIDE
I built an AI that refuses to help you.Field guide — why a system prompt is a character bible, not a rulebook. Steal Wanda's whole prompt.
field guide
HOOK
“I'll remember to check next time.” You won't.Good intentions don't run on a schedule. Hooks do.
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TOOL
Copy out, paste back, repeat until it breaks.An AI that lives in your project beats a chat tab you shuttle files through.
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GUIDE
Drive the factory from your phone.Field guide — bots, bridges, remote control, every hardening scar, and a runnable telegram-bridge.js.
field guide
MEMORY
“We use X. Never Y. Deploy like Z.” Again.Standing instructions belong on disk, not in your morning re-briefing.
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MEMORY · FACTORY
“Which one is right?” Same fact, three files, three answers.Duplicate a fact for convenience and you've scheduled a future disagreement.
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GUIDE
Describe a workout. Get a playable card.Field guide — the model fills a schema, your components render it. Clone the working app (MIT).
field guide
TECH
“I have a working script. I just need a URL.”Sometimes the right tool is the small one. Flask turns a script into an endpoint.
✓ worked