Markdown Viewer Skills

Markdown Viewer Skills is an agent skills package for AI coding agents to create diagrams and visualizations in Markdown.

This product provides a self-contained skill package for AI coding agents to generate diagrams and technical visualizations directly inside Markdown files. It organizes rendering capabilities across thirty-one goal domains and five specific engines, including PlantUML, Vega, ECharts, infographics, and raw HTML. The package includes verified examples and scenarios to guide agents in creating structured visual content. It works alongside the documd command-line interface to render Markdown documents and diagram sources. The package is designed for developers using AI coding assistants who need consistent, themed technical diagrams and charts.

Markdown Viewer Skills at a glance

Best for: Software engineer, Product manager
Runs on: Web, Chrome extension, VS Code, CLI
Pricing: Free
Released: January 2026
Category: AI coding tool
Website: github.com/markdown-viewer/skills

Key features

Generate PlantUML diagrams and Stencil icons
Create Vega and Vega-Lite data charts
Build ECharts dashboards and gauges
Render template-driven infographics
Produce system architecture layouts with HTML
Route requests across thirty-one goal domains
Verify examples and themes with check scripts

Use it for

Generate system architecture and network topology diagrams
Create data metrics and business reporting charts
Design process flows and software behavior models
Produce infrastructure and security compliance diagrams

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