How does it handle special characters in labels?

The skill automatically applies double quotes or HTML entities to ensure characters like colons, brackets, and parentheses do not break the Mermaid parser.

Does this skill support all Mermaid diagram types?

Yes, it supports all major Mermaid types including flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, and mindmaps.

Why use this instead of standard Claude output?

Standard LLM outputs often hallucinate Mermaid syntax or overlook reserved word conflicts (like using 'end' as a node name). This skill provides strict guardrails to ensure the output is valid and renderable.

Can it fix existing broken diagrams?

Yes, it is designed to edit and refactor existing Mermaid code, applying corrections based on official specifications and common error patterns identified through extensive testing.

Mermaid Diagram Master

Name: Mermaid Diagram Master
Author: pm7y

bypm7y

0•

学习与文档

Generates and validates syntactically perfect Mermaid.js diagrams for documentation and system architecture.

This skill empowers Claude to create error-free Mermaid diagrams by strictly adhering to official syntax specifications for flowcharts, sequence diagrams, class diagrams, and more. It proactively eliminates common pain points such as unquoted special characters in labels, reserved word conflicts (like the lowercase 'end'), and incorrect subgraph structures. Whether you are documenting system architecture, mapping data models, or visualizing complex logic, this skill ensures your diagrams render correctly on the first try, saving developers from the frustration of manual syntax debugging and iterative rendering failures.

主要功能

010 GitHub stars

02Supports multiple diagram types including Flowchart, Sequence, ER, and Gantt

03Standardized class diagram method and relationship formatting

04Strict subgraph ID and title structure enforcement

05Automated syntax validation for special characters and reserved words

06Context-aware note syntax validation for specific diagram types

使用场景

01Visualizing database schemas with Entity Relationship (ER) diagrams

02Documenting complex system architectures and microservice interactions

03Mapping out logic flows and state transitions in software components

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add pm7y/pm7y-marketplace pm7y-mermaid-diagram

For use in Claude.ai and ChatGPT

Download Skill