A strategic architecture tool for deciding when to distribute systems and how to design high-performance service boundaries using Remote Facade and DTO patterns.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install bookforge-distribution-boundary-designer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install bookforge-distribution-boundary-designer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Distribution Boundary Designer?
The distribution boundary designer is a specialized architectural framework built for Openclaw Skills that prevents the most common mistake in modern software: unnecessary distribution. Grounded in Martin Fowler's Patterns of Enterprise Application Architecture, this skill helps architects and senior engineers apply the First Law of Distributed Object Design to determine if a system actually requires a process boundary.
When distribution is warranted—due to security zones, independent scaling, or physical separation—the skill guides the implementation of the Remote Facade and Data Transfer Object (DTO) patterns. It ensures that service boundaries are coarse-grained and use-case-driven, preventing the performance-killing distribution-by-class anti-pattern while maintaining a clean separation between domain logic and remote communication shells.
Distribution Boundary Designer Use Cases
- Evaluating monolith to microservices migrations to ensure they are operationally justified.
- Designing remote API contracts for gRPC, REST, or GraphQL that minimize network round-trips.
- Extracting scaling hot-spots or security-sensitive subsystems into isolated services.
- Refactoring chatty legacy systems where fine-grained remote calls cause performance bottlenecks.
- Structuring DTOs and Assemblers to decouple domain models from wire formats.
How Distribution Boundary Designer Works
- Apply the First Law Filter: Analyze the system against seven legitimate distribution reasons to decide if a process boundary is truly necessary.
- Identify Coarse-Grained Boundaries: Map boundaries at the subsystem level rather than the class level to reduce inter-process communication overhead.
- Design Remote Facades: Define use-case-shaped interface methods that aggregate multiple domain operations into single remote calls.
- Structure DTOs per Use Case: Create data carriers shaped for specific client interactions, ensuring they remain independent of internal domain objects.
- Anti-Pattern Audit: Review the proposed design for common pitfalls like domain logic leakage or DTO-domain coupling.
- Interface Style Selection: Choose the optimal protocol (gRPC, REST, MQ, or GraphQL) based on coupling and latency requirements.
- Generate Design Record: Produce a comprehensive Markdown-formatted Distribution Design Record for architectural governance.
Distribution Boundary Designer Setup
To use the distribution boundary designer, install it via the Clawhub CLI within your development environment:
clawhub install bookforge-distribution-boundary-designer
Once installed, you can invoke the skill by providing your system topology and architectural motivations to your AI agent.
Distribution Boundary Designer Data Schema & Taxonomy
The skill organizes its architectural analysis into a structured Distribution Design Record with the following taxonomy:
| Section | Description |
|---|---|
| Summary Decision | High-level verdict on whether to distribute or maintain a modular monolith. |
| First Law Filter | A table mapping Fowler's distribution criteria to the specific system needs. |
| Boundary Specs | Detailed definitions of Subsystem pairs, Facade classes, and DTO structures. |
| Anti-Pattern Audit | A pass/fail checklist for distribution-by-class, chatty interfaces, and logic leakage. |
| Interface Rationale | Technical justification for the selected communication protocol (e.g., gRPC vs REST). |
Distribution Boundary Designer Advanced Features
- Multi-agent support for collaborative architecture reviews between specialized Openclaw Skills.
- Deep integration with codebase analysis to detect existing chatty interface anti-patterns through grep and glob patterns.
- Automated generation of DTO and Remote Facade boilerplate based on identified use cases.
- Support for security zone boundary planning, specifically for PCI-DSS or DMZ isolation requirements.
SKILL.md
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