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ddd-aggregate

Scaffold an aggregate root with entity, value objects, repository interface, domain events, and test stubs. Use when adding a new aggregate to an existing bounded context, modeling a new business concept that owns invariants, or generating the boilerplate for an entity + repo + events triplet.

How do I install this agent skill?

npx skills add https://github.com/ruvnet/ruflo --skill ddd-aggregate
view source ↗

Is this agent skill safe to install?

  • Gen Agent Trust Hubfail

    The skill executes unpinned external packages at runtime via npx and directly interpolates user input into shell commands, creating potential supply chain and command injection risks.

  • Socketpass

    No alerts

  • Snykwarn

    Risk: MEDIUM · 1 issue

What does this agent skill do?

Scaffold a complete aggregate root inside a bounded context.

Parse $ARGUMENTS as <context-name> <aggregate-name> (both kebab-case). The context must already exist under src/.

Steps

  1. Validate: Confirm src/<context>/domain/ exists. If not, suggest running /ddd-context <context> first.

  2. Pre-task hook: npx @claude-flow/cli@latest hooks pre-task --description "DDD aggregate: <aggregate-name> in <context>"

  3. Create aggregate root entity:

    • File: src/<context>/domain/entities/<aggregate-name>.entity.ts
    • Include: unique ID field, constructor with invariant validation, domain methods that enforce business rules, equals() based on identity
    • Export a TypeScript class extending or implementing a base AggregateRoot interface

  4. Create value objects:

    • File: src/<context>/domain/value-objects/<aggregate-name>-id.value-object.ts
    • Include: immutable ID value object with factory method and validation
    • Add additional value objects as properties of the aggregate suggest them

  5. Create repository interface:

    • File: src/<context>/domain/repositories/<aggregate-name>.repository.ts
    • Include: findById, save, delete methods
    • Use the aggregate root and its ID value object as types
    • This is an interface only -- no implementation (infrastructure concern)

  6. Create domain events:

    • File: src/<context>/domain/events/<aggregate-name>-created.event.ts
    • File: src/<context>/domain/events/<aggregate-name>-updated.event.ts
    • Include: event name (past tense), timestamp, aggregate ID, payload

  7. Create unit test stubs:

    • File: src/<context>/domain/entities/<aggregate-name>.entity.test.ts
    • Include: test cases for construction invariants, domain methods, equality
    • Use describe/it with should [behavior] when [condition] names

  8. Update barrel exports: Add new files to the relevant index.ts barrel files.

  9. Store in domain model graph:

    mcp__plugin_ruflo-core_ruflo__agentdb_hierarchical-store --parent "context:<context>" --child "aggregate:<aggregate-name>" --relation "contains"
mcp__plugin_ruflo-core_ruflo__memory_store --key "ddd-aggregate-<context>-<aggregate-name>" --value "AGGREGATE_SUMMARY" --namespace tasks

  10. Post-task hook: npx @claude-flow/cli@latest hooks post-task --task-id "ddd-aggregate-<aggregate-name>" --success true --train-neural true

How can the creator link this skill?

Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.

<a href="https://skillzs.dev/skills/ruvnet/ruflo/ddd-aggregate">View ddd-aggregate on skillZs</a>