If You’re Using Cursor But Not DDD, You’re Just Auto-Completing Garbage Faster
AI tools are only as smart as your structure. Stop shipping entropy.
🧨 The Problem
Developers are building faster than ever — Cursor, Copilot, GPT, agents, you name it.
But faster isn’t better if what you’re producing is still a mess.
We’ve entered the age of AI-assisted development, but most codebases still look like:
Services with no boundaries
Business logic leaking into controllers
Event chains no one can trace
Naming that means nothing to humans or LLMs
And then you ask Cursor for help…
…and it confidently autocompletes your disaster.
Why? Because:
If your architecture has no structure, an LLM will just generate more unstructured code. Faster.
🧠 The Shift: You’re Not Writing Code Alone Anymore
Tools like Cursor rely on:
Explicit naming
Clear separation of responsibilities
Predictable control flow
Intent that can be modeled
And guess what patterns give you exactly that?
DDD: Domain boundaries + clear models
CQRS: Separates mutation from queries so there’s no ambiguity
Event-Driven Design: Makes side effects traceable and testable — and easy for AI to follow
This isn’t “enterprise overkill” anymore.
This is how you make your code LLM-compatible.
🚫 The Anti-Pattern
“It’s too much overhead.”
“I can do this in a single service.”
“Why make two classes when one will do?”
Because that one class will get bloated, undocumented, hard to test, hard to change — and completely illegible to the AI you’re using to build it faster.
You're not saving time. You're just frontloading tech debt.
🔍 The Power of Explicitness
You know what both humans and LLMs hate? Guesswork.
Explicit architecture means:
The code tells you exactly what it's doing
You can follow intent from command → handler → event → subscriber without digging
There’s no hidden business logic buried in nested service calls
If you want safe refactors, confident AI automation, and maintainable platforms — explicit is the only way.
Explicit architecture is the opposite of fragile magic. It’s clarity, composability, and control.
✅ What Good Architecture Actually Gives You
Structured design isn't just for "big teams" or "enterprise apps." It's for anyone who wants to build software that lasts longer than one sprint.
When you use DDD, CQRS, and events:
✅ You make intent obvious
✅ You make side effects explicit
✅ You make code easier to test
✅ You make onboarding easier
✅ You give AI tools the context they need to help you
You're not just writing code — you're building a system that:
Can be refactored by an LLM
Can be debugged with event logs
Can grow without collapsing under its own weight
🚀 Cursor + Clean Architecture = Dev Superpowers
AI-assisted dev tools aren’t magic. They’re pattern-matching engines with a context window.
If you hand them a service with 1,000 lines of spaghetti, they will try their best to guess.
But if you give them a clear:
CreateUserCommandUserWasCreatedeventUserAggregateUserService
They will:
Know exactly where to add code
Know what naming conventions to follow
Generate intent-aware handlers instead of random logic dumps
Good architecture isn't for humans anymore. It's for humans working with machines.
🧑💻 Human Readability Still Matters
A side effect of building systems that are LLM-friendly is that they also become human-friendly.
Domain-oriented code:
Reads like business logic, not plumbing
Follows naming conventions anyone can trace
Keeps each concern in its own clear place
You can onboard new devs faster. You can explain features to non-technical teammates. You can debug faster without praying to the Stack Trace Gods.
Readable systems are maintainable systems — and the best architecture serves both the humans and the tools.
🧪 Unit Tests Are Free Now
Here’s the wild thing: with proper architecture, unit tests basically write themselves.
If your command handler is just a function that takes a DTO and a context — Cursor will offer to scaffold the test.
If your domain logic is isolated, your LLM knows how to test it.
With DDD + CQRS:
Your units are already decoupled
Your events define behavior
Your outcomes are explicit
LLMs don’t struggle to test a command handler. They struggle to test a tangled service that does 10 things at once.
So yes — this architecture has overhead up front. But the testing benefit alone pays for it ten times over.
🕊️ TL;DR
If you're using Cursor but not DDD, CQRS, or events:
You're just autocompleting chaos faster.
You're not building systems, you're stacking functions.
You're not saving time — you're deferring pain.
Write your code like someone else will read it.
Write your code like an LLM will maintain it.
Want a freebie?
https://github.com/geggleto/cursor-typescript-rules
Have fun, Happy Building
