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    Codebase Architecture Improver

    2

    This skill transforms sprawling, "organically grown" repositories into logically structured architectures without the high risk of a full rewrite.

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    Codebase Architecture Improver

    Codebase Architecture Improver

    Example session with this skill installed

    Our Express/TypeScript backend is about 40k lines. There is a shared utils/ folder that everything imports and a 3,000-line OrderService class. I've pasted the madge output below: it shows cycles between orders, billing and notifications.

    • Read your context and instructions
    • Compiled the codebase architecture improver

    Architecture assessment: the orders, billing and notifications cycle and the OrderService god object share one cause, and can be fixed in five safe steps.

    Dependency map (from your madge output)

    orders -> billing -> notifications -> orders
   \         |             |
    +----> utils/ <--------+

    utils/ is imported by every module, so it acts as a hidden shared layer.

    Boundary analysis

    ModuleProblem
    ordersOrderService mixes pricing, persistence, billing calls and emails
    billingImports order types from orders directly
    notificationsReads order details by calling back into orders
    utilsHolds domain logic next to generic helpers

    Safe refactoring sequence

    Move shared types (Order, Invoice) into a contracts/ module with no imports. This breaks the type-level cycles.
    2. Split utils/ into generic helpers and domain code, and move domain code to its owning module.
    3. Replace callbacks with events: orders emits OrderPlaced; billing and notifications subscribe.
    4.

    Extract from OrderService one responsibility at a time: pricing, then persistence, then side effects. Keep the old methods delegating until callers move.
    5. Add a lint rule (dependency-cruiser or madge in CI) that fails on new cycles.

    Each step can ship on its own and keeps behaviour unchanged.

    Next steps

    • Start with step 1 and rerun madge
    • Add characterisation tests around OrderService before step 4

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    About this skill

    What it does

    This skill transforms sprawling, "organically grown" repositories into logically structured architectures without the high risk of a full rewrite. It identifies the root causes of technical debt—such as circular dependencies, layering violations, and god objects—and provides a systematic, step-by-step roadmap to fix them.

    Why use this skill

    Unlike generic AI prompting, the Codebase Architect uses a specific diagnostic methodology: it triages pain points, maps actual dependency directions, and identifies "seams" for decoupled testing. It doesn't just suggest clean code; it sequences refactoring steps to ensure the codebase remains functional throughout the transition. It is specifically designed to help developers who are inheriting legacy systems or scaling a startup MVP into a maintainable enterprise application.

    Supported Tools & Frameworks

    The skill is language-agnostic but excels with modular frameworks in TypeScript/JavaScript, Python, Go, and Java. It produces outputs tailored to your workflow, whether you need a high-level executive audit, a technical refactoring sequence, or team-wide architectural conventions.

    The Result

    You receive a concrete dependency map, a list of boundary violations, and a prioritized sequence of "micro-updates" that incrementally improve the system's modularity and reduce change-cost.

    • Cannot automatically run heavy refactoring scripts.
    • Limited effectiveness on codebases under 100 files.
    • Requires manual verification for complex logic changes.

    How to use

    1. 1

      Connect your agent to the Agensi MCP

      Copy the prompt and paste it into Claude, ChatGPT, Cursor or any agent that supports MCP. It sets up the connection for you. Manual setup

    2. 2

      Sign in to Agensi

      Your agent shows a sign-in link. Sign in and click Allow.

    3. 3

      Ask for what you need

      Your agent loads this skill and uses it on your task. It always asks before any payment.

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    Listed4 months ago
    Updated11 days ago

    What's inside

    Frequently Asked Questions

    The skill performs a deep-triage of your repository to map dependency flows, identify 'god objects,' and detect circular dependencies that cause build and testing friction. it then provides a sequenced, step-by-step plan to decouple modules without breaking the existing system.

    While the skill is language-agnostic, it is optimized for modular environments like TypeScript, Python, Go, and Java, focusing on architectural patterns rather than just syntax-level linting.

    You receive the full architectural analysis logic, a step-by-step refactoring sequence generator, and a custom methodology for identifying 'seams' in legacy code to isolate technical debt.

    No complex setup is required; once added to your AI agent, you simply provide the file structure and dependency maps of your codebase to begin the architectural audit.

    Yes, purchasers receive lifetime access to all future updates, ensuring the skill stays current with emerging architectural best practices and evolving modular frameworks.