Breaking

oh-my-mermaid Draws Attention for Turning AI-Coding Projects Into Architecture Diagrams

October 8, 2026 at 06:47 EDT

Software Dev & Coding
AI Agents
Open Source

oh-my-mermaid, an open-source CLI and agent-skill project, is drawing new attention for turning live codebases into navigable Mermaid architecture documentation inside Claude Code and other AI coding tools. The project packages a command-line tool, local skills and a viewer so developers can scan a repository, inspect generated diagrams, and optionally share the resulting architecture map.

October 2026 · oh-my-mermaid

Architecture maps enter the agent loop

An open-source CLI and skill bundle turns live codebases into Mermaid architecture documentation that can be viewed locally, reviewed as text, or pushed to a cloud workspace.

The strongest count: tool reach versus shipped skills

AI tools listed in setup docs

Claude Code skills in the README

The project reaches multiple AI coding environments, while the core documented workflow centers on scan and push skills.

2.3k

GitHub stars

196

Forks

0.2.0

Current package version

Runtime dependency

How the map is made

Install and setup

→

Run /omm-scan

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View or share

Why developers like it

Mermaid and Markdown outputs can live in Git, making architecture changes diffable and reviewable alongside code.

What to check first

The tool emits Mermaid text, relies on AI analysis quality, and cloud sharing requires sending architecture docs to an external service.

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