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AI code reviewer grounded in classic software engineering books for catching design smells, coupling issues, and architectural risks.
Passed 8 of 16 test cases with the skill, and 6 of 16 without it.
and 2 more in the full report
4 fixed7 passed either way10 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
Review `src/billing/InvoiceCalculator.ts` to check if business rules use domain vocabulary or technical implementation jargon.
| Checked | Without skill | With skill |
|---|---|---|
| Critiques ubiquitous language using Domain-Driven Design concepts. | Missed | Passed |
The instructions your model reads when the skill loads.
Brooks Lint is a Claude Code skill that reviews your code through the lens of 12 classic software engineering books. Instead of checking style rules, it asks: "What would the authors of The Pragmatic Programmer, Clean Code, and Designing Data-Intensive Applications say about this code?"
It synthesizes the principles from landmark engineering books into actionable, structured feedback — catching design smells, tight coupling, missing abstractions, and architectural risks that linters and AI tools typically miss.
Named after Fred Brooks, author of The Mythical Man-Month — because the hardest bugs are conceptual, not syntactic.
| Book | Key Principles Applied |
|---|---|
| The Pragmatic Programmer | DRY, orthogonality, tracer bullets |
| Clean Code | Naming, function size, comment clarity |
| The Mythical Man-Month | Conceptual integrity, second-system effect |
| Designing Data-Intensive Applications | Data consistency, fault tolerance, scalability |
| A Philosophy of Software Design | Deep modules, information hiding, complexity |
| Refactoring | Code smells, extract method, encapsulation |
| Working Effectively with Legacy Code | Seams, characterization tests, dependency breaking |
| Domain-Driven Design | Ubiquitous language, bounded contexts, aggregates |
| Release It! | Stability patterns, timeouts, bulkheads, circuit breakers |
| Structure and Interpretation of Computer Programs | Abstraction, recursion, metalinguistic abstraction |
| The Art of UNIX Programming | Modularity, composability, rule of least surprise |
| Extreme Programming Explained | YAGNI, simple design, collective ownership |
Brooks Lint applies each book's core principles as a review lens:
test cases passed, vs 6 / 16 without
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