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/spine-design

SpinePlanning & Architecture

Produces a system design document before implementation begins: component breakdown, data flow diagrams, API contracts between services, failure modes with fallback behavior, and scaling strategy. Written to be reviewed and challenged before any code is written.

Install

This skill

Install Spine Design

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install this skill

$ claude plugin install spine-design@tonone-ai

The agent

Install Spine

1. Add to marketplace

$ claude plugin marketplace add tonone-ai/tonone

2. Install Spine

$ claude plugin install spine@tonone-ai
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Full installation guide

Invoke this skill

Command|$ /spine-design

When to use

When architecting a new system or feature that involves multiple services or significant complexity. When an engineering team needs shared understanding of how something will be built before work is divided. When a design needs to be reviewed by stakeholders who are not in the day-to-day implementation.

Deep dive

AI System Design Doc Generator

Most AI tools skip system design. /spine-design produces a real design doc: components, data flow, API contracts, failure modes, scaling strategy, written to be challenged before code.

Read the article

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When building a new REST or GraphQL API from scrat…
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When starting a new backend service or microservic…
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When specific endpoints are slow under normal load…

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