Mermaid Chart

Mermaid Chart

Validates & renders Mermaid diagrams as PNG images

design
No auth required

Validates Mermaid diagram syntax and renders high-quality PNG images. Creates shareable playground URLs and provides comprehensive error handling with detailed feedback. Features AI-optimized workflow guidance for reliable diagram generation workflows.

Works with:
claude

Connection

Claude Code

claude mcp add --transport http mermaidchart https://chatgpt.mermaid.ai/anthropic/mcp

Connector URL

https://chatgpt.mermaid.ai/anthropic/mcp

Tools (1)

ACTIONvalidate_and_render_mermaid_diagram

About

Validates Mermaid diagram syntax and renders high-quality PNG images. Creates shareable playground URLs and provides comprehensive error handling with detailed feedback. Features workflow guidance for reliable diagram generation workflows.

You can use the Mermaid Chart connector to:

Validate and render diagrams:
"Validate this Mermaid flowchart code and render it as a PNG. If valid, provide a shareable playground link"

Check for syntax errors:
"Check my Mermaid sequence diagram for syntax errors and suggest corrections"

Optimize and collaborate on diagrams:
"Optimize this class diagram for readability, validate the syntax, render as PNG, and provide a playground link for collaboration"

Details

Version

1.0.0

Permissions

Read

Transport

streamable-http

Tags

claude
design
mermaid-chart
    Mermaid Chart MCP Server