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Laravel Boost can give AI coding agents useful Laravel and project context, but it does not design your domain or enforce Domain-Driven Design (DDD). Use DDD to make important business rules and boundaries clearer; use Boost to help an agent work within the conventions your team has already chosen.
What does pragmatic DDD look like in a Laravel app?
DDD is most useful when the hard part of an application is its business behavior: rules, exceptions, language, and the relationships between parts of the business. The practical goal is not to make every class look like a textbook example. It is to put important rules somewhere they can be understood, tested, and changed without turning every feature into a framework-wide refactor.
The guidance here about boundaries, aggregates, repositories, and persistence is editorial synthesis, not a Laravel-prescribed architecture. Begin with the parts of the domain that have meaningful rules, and add structure when it solves a real problem.
- Start with business language. Agree on the words people in the business use for concepts and actions. Use those terms in code where they make the behavior easier to understand.
- Draw boundaries around differing rules. A bounded context is a useful way to think about an area where a term or rule has a particular meaning. Two areas may use the same word differently; that is a reason to clarify the boundary, not necessarily to force them into one shared model.
- Keep important rules near the behavior they govern. If a rule is central to a business operation, avoid burying it among unrelated request handling, persistence details, and framework plumbing.
- Introduce abstractions selectively. Aggregates, repositories, domain services, and mapping layers can help when they clarify invariants or isolate change. They also create indirection and maintenance work. Add them to address an observed need, not merely to complete an architectural checklist.
Where should domain models live in a Laravel app?
There is no universally correct folder layout. A conventional Laravel organization can keep framework concepts easy to find; a more explicit domain organization can make business boundaries visible. The trade-off depends on the application, the team’s familiarity with the structure, and its willingness to keep the boundaries coherent.
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| Consideration | Conventional Laravel organization | More explicit DDD organization |
|---|---|---|
| Indirection | Often less structure to navigate at the start. | May add layers and navigation; those layers should earn their cost by clarifying responsibilities. |
| Business boundaries | Can be less visible if business behavior is spread across framework-oriented folders. | Can make domain areas and their language more apparent when the boundaries are meaningful. |
| Testing domain behavior independently | May require disentangling behavior from framework or persistence code where those concerns are mixed. | Can make isolated tests easier if the design actually separates domain behavior from infrastructure. |
| Persistence and framework coupling | Convenient framework integration may also couple behavior closely to Laravel or Eloquent. | Can isolate persistence, but only if the design maintains that separation; folder names alone do not do it. |
| Keeping the codebase coherent | Benefits from following familiar conventions consistently. | Requires shared rules about boundaries and dependencies so the extra structure does not become inconsistent. |
A sensible starting point is to keep ordinary Laravel conventions where they are working, then introduce a domain-oriented area for a business capability whose rules are difficult to express or test cleanly in the current arrangement. Choose the smallest structure that makes the boundary understandable. Do not move every Eloquent model or create a repository for every model just to make the tree look more “DDD.”
What does Laravel Boost add to an AI coding workflow?
Boost supplies Laravel-aware context and tools to coding agents. Laravel describes it as providing AI guidelines and agent skills, a built-in MCP server, and an ecosystem documentation API. The official guide says guidelines are loaded up front while skills are activated on demand; project rules let a team capture application-specific conventions. That can help an agent follow a team’s chosen architecture, but it does not prove that the architecture is sound or enforce DDD boundaries. See the Laravel Boost guide.
Laravel also advertises “over 15 specialized tools” and “over 17,000 pieces of vectorized Laravel ecosystem documentation.” Those are Laravel’s product capability figures, not independent measurements of developer productivity. They describe the context and tools Boost offers, not a guarantee that an agent will make correct domain decisions. Laravel’s installation documentation describes the Boost workflow and capabilities.
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The documented workflow adds Boost through Composer and runs its Artisan installer. The installation documentation surfaced for Laravel 10.x through 13.x says Boost can be installed on those framework versions with PHP 8.1 or higher. However, the current package metadata surfaced alongside that documentation lists PHP ^8.2. Since documentation and package constraints can differ by release, check the Composer requirements for the exact Boost version you plan to install rather than assuming the broad installation-page statement applies to every release. The current Laravel 13.x guide lists documentation API coverage for Laravel 10.x, 11.x, 12.x, and 13.x; that coverage list is not itself a compatibility guarantee for every package release. Boost guide · installation documentation
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- Check the requirements for the Boost release you intend to use against your PHP and Laravel versions.
- Add the package through Composer using the command appropriate to that release and project.
- Run
php artisan boost:installas documented, then review the generated or installed guidance and configuration for your project.
How can you make Boost useful in a DDD-oriented project?
Give the agent the conventions it cannot infer reliably from a directory tree. Keep general project guidance short and durable, and use on-demand skills for instructions relevant to particular tasks. In project rules, explain your own domain language and the dependencies your team expects. For example, rules might state which layer owns a business invariant, which parts of the app may call infrastructure code, how a command or use case is named, and what tests should cover a domain change.
These rules are instructions for the agent, not architectural enforcement. A coding agent can still misunderstand an exception, introduce a dependency across a boundary, or follow outdated guidance. Review its changes against the domain model and verify behavior with the tests and checks your project uses.
- Describe the task in business terms. State the behavior and relevant domain language, not just the files you expect the agent to edit.
- Point out the applicable boundary. Explain which domain area owns the behavior and what it should not depend on.
- Ask for a focused change. Have the agent identify the existing pattern and propose the smallest change before it expands the architecture.
- Review and verify. Check the resulting code, tests, and dependencies yourself; Boost context improves the starting point, not the correctness guarantee.
Will Boost discover models in a non-standard DDD structure?
Do not assume so without checking your installed version. Laravel Boost issue #460, opened January 23, 2026, reports that model discovery scans only app/ and may miss Eloquent models stored in non-standard DDD paths. The issue author says the DatabaseSchema tool still reads the database while the ApplicationInfo resource may return an empty models array. This is a reported issue, not proof that every Boost release behaves that way.
If your models live outside app/, verify what the agent actually sees in your installed Boost version. When model discovery is incomplete, provide the relevant model locations and project conventions explicitly, and do not treat an empty model listing as evidence that the database has no schema.
When is this combination worth using?
DDD is worth introducing where it makes complicated business behavior easier to discuss, test, and change. Boost is worth considering when AI agents are part of the team’s workflow and Laravel-aware tools or project-specific guidance would reduce repeated context-setting. Neither tool solves the other’s problem: Boost can help an agent work within a structure, while the team remains responsible for deciding whether that structure represents the domain well.
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