Best Mermaid MCP Servers
Mermaid is a JavaScript-based diagramming and charting tool that renders Markdown-inspired text definitions to create and modify diagrams dynamically. It allows users to generate flowcharts, sequence diagrams, class diagrams, and other visualization tools using text and code.
Why this server?
Generates Gantt charts in Mermaid format from task data, enabling visual project timeline representation that can be viewed in Mermaid Live Editor.
AlicenseBqualityBmaintenanceEnables AI assistants to manage tasks through YAML-based storage with subtask suggestions, status updates, and Mermaid Gantt chart generation. Supports hierarchical task structures with attributes like dependencies, milestones, and parallel execution.Last updated26361ISCWhy this server?
Validates and renders Mermaid diagrams, returning validation results and rendered SVG/PNG output when valid, enabling LLMs to create and verify diagram syntax.
AlicenseBqualityCmaintenanceA Model Context Protocol server that validates and renders Mermaid diagrams.Last updated180556MITWhy this server?
Utilizes Mermaid for creating diagrams to visualize workflow processes and architecture.
AlicenseBqualityFmaintenanceA lightweight bridge that wraps OpenAI's built-in tools (like web search and code interpreter) as Model Context Protocol servers, enabling their use with Claude and other MCP-compatible models.Last updated412MITWhy this server?
Enables the conversion of Mermaid diagram definitions into editable Excalidraw canvas elements.
AlicenseBqualityDmaintenanceSecurity-hardened MCP server for Excalidraw with API key auth, rate limiting, real-time WebSocket sync, and 14 diagramming toolsLast updated164383MITWhy this server?
Provides the capability to convert Mermaid diagram definitions into polished PNG images and D2-based visualizations.
AlicenseAqualityDmaintenanceMCP server for AI Diagram Maker — generate software engineering diagrams from natural language, code, ASCII diagram, images, or Mermaid. Inline diagram rendering using MCP apps UI and diagram URL in responses. Works with Cursor, Claude Desktop, Claude Code, and any MCP-compatible AI.Last updated5727MITWhy this server?
Leverages Mermaid.js to render a wide variety of diagram types, including flowcharts, sequence diagrams, ER diagrams, Gantt charts, and user journeys.
AlicenseAqualityDmaintenanceConverts Markdown files into professional diagrams such as flowcharts, mind maps, and architecture diagrams using Mermaid.js and custom SVG renderers. It enables users to list, render, and export visualizations in multiple formats including SVG, PNG, and PDF.Last updated3MITWhy this server?
Generates diagrams from Mermaid code, supporting flowcharts, sequence diagrams, ER diagrams, state diagrams, Gantt charts, and git graphs, outputting SVG or PNG.
AlicenseAqualityCmaintenanceGenerates diagrams, charts, HTML pages, and slide decks from text DSLs, enabling AI agents to embed visual assets into Markdown.Last updated829MITWhy this server?
Renders Mermaid diagrams within Markdown documents during PDF conversion, with syntax error messages displayed in the output for debugging.
AlicenseAqualityDmaintenanceConverts Markdown documents to PDF files with support for syntax highlighting, custom styling, Mermaid diagrams, optional page numbers, and configurable watermarks.Last updated175MITWhy this server?
Uses Mermaid for architectural diagrams in the documentation, visualizing the system's components and interactions.
AlicenseBqualityDmaintenanceA demonstration project for Model Context Protocol (MCP) that integrates weather services with multiple AI models (Claude, GPT, Gemini), enabling natural language queries for weather alerts and forecasts.Last updated24MIT