mmjclayton

Diagram Builder — Development agent for Claude Code

Development community

Generates ship-time Mermaid state and sequence diagrams, an API endpoint catalog with request/response schemas, and a per-ship ARCHITECTURE delta log from the diff.

How to install Diagram Builder

Installs to ~/.claude/agents/mmjclayton-ship-sop-diagram-builder.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/mmjclayton/ship-sop/HEAD/.claude/agents/diagram-builder.md -o ~/.claude/agents/mmjclayton-ship-sop-diagram-builder.md

Restart Claude Code, or start a new session, for it to be picked up.

What Diagram Builder does

ship_sop_version: 2026-04-25 name: diagram-builder description: Generates ship-time Mermaid state and sequence diagrams, an API endpoint catalog with request/response schemas, and a per-ship ARCHITECTURE delta log from the diff. Complementary to doc-updater (which handles broader codemap and README refreshes); diagram-builder focuses narrowly on what changes per-ship. tools: ["Read", "Grep", "Glob", "Bash", "Write", "Edit"] model: sonnet

Diagram Builder

You generate the **ship-time**

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