Diagram Generation MCP MCP Servers

Tools for creating, editing, and exporting visual diagrams (flowcharts, architecture diagrams, mind maps, wiring diagrams) through programmatic interfaces and AI agents. Does NOT include general visualization libraries, data plotting tools, or diagram viewing/validation-only services.

There are 34 diagram generation mcp servers tracked. 4 score above 50 (established tier). The highest-rated is yctimlin/mcp_excalidraw at 68/100 with 1,525 stars. 1 of the top 10 are actively maintained.

Get all 34 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=mcp&subcategory=diagram-generation-mcp&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

#	Server	Score	Tier	Stars	Language
1	yctimlin/mcp_excalidraw MCP server and Claude Code skill for Excalidraw — programmatic canvas...	68	Established	1,525	JavaScript
2	hustcc/mcp-mermaid ❤️ Generate mermaid diagram and chart with AI MCP dynamically.	61	Established	466	TypeScript
3	veelenga/claude-mermaid MCP Server to previewing mermaid diagrams with live reload	60	Established	84	TypeScript
4	rtuin/mcp-mermaid-validator A Model Context Protocol server that validates and renders Mermaid diagrams.	52	Established	53	JavaScript
5	Menghuan1918/drawio2go A modern DrawIO editor application. AI-Powered, Human-AI Collaboration \| AI...	48	Emerging	185	TypeScript
6	simonkurtz-MSFT/drawio-mcp-server A Model Context Protocol (MCP) server for programmatic diagram generation...	48	Emerging	34	TypeScript
7	sanjibdevnathlabs/mcp-excalidraw-local Excalidraw MCP server with multi-tenant workspace isolation, SQLite...	44	Emerging	1	TypeScript
8	cmd8/excalidraw-mcp Model Context Protocol server for Excalidraw diagrams	39	Emerging	3	TypeScript
9	thechandanbhagat/diagram-master MCP for Draw.io	39	Emerging	3	JavaScript
10	excalimate/excalimate Create keyframe animations from hand-drawn Excalidraw diagrams — timeline...	37	Emerging	4	TypeScript
11	buck-0x/eraser-io-mcp-server A Python MCP (Model Context Protocol) server and CLI tool to render diagrams...	36	Emerging	20	Python
12	dminkovski/azure-diagram-mcp MCP server that turns natural-language prompts into Microsoft Azure...	35	Emerging	23	Python
13	yohasacura/drawio-mcp MCP server for creating draw.io / diagrams.net XML files programmatically	35	Emerging	1	Python
14	vtomilin/mermaider MCP server to efficiently check all Mermaid diagram types for syntax errors	35	Emerging	4	TypeScript
15	i2y/d2mcp A Model Context Protocol (MCP) server that provides D2 diagram generation...	32	Emerging	23	Go
16	angrysky56/mcp-diagram-server AI MCP Tools for Creating, Storing, and Utilizing Diagrams and Mind-maps...	24	Experimental	7	Python
17	chevyphillip/system-designer-mcp MCP server for creating and validating UML system models with System Runtime...	24	Experimental	1	TypeScript
18	eslaim/AI-Diagram-Prototype-Generator-MCP-Server- 🤖 Generate AI-driven diagrams and prototypes in draw.io and HTML formats,...	22	Experimental	—	Python
19	aetherwing-io/fcp-drawio MCP server for creating and editing draw.io diagrams through intent-level commands	22	Experimental	—	TypeScript
20	wzh4464/software-design-mermaid-mcp MCP server for interactive visual Mermaid diagram editing in Claude Code	22	Experimental	—	TypeScript
21	os-tack/fcp-drawio MCP server for creating and editing draw.io diagrams through intent-level commands	22	Experimental	—	TypeScript
22	BlockSecCA/excalidraw-mcp-app Streamable Excalidraw diagram MCP App server with persistence	22	Experimental	—	TypeScript
23	YUZU-Hub/wiring-diagram-mcp MCP server for generating electrical wiring diagrams for campers, boats, and...	22	Experimental	—	JavaScript
24	Eswarthemad/drawio-mcp-server Infrastructure Diagram-as-Code engine for draw.io using the Model Context...	22	Experimental	—	Python
25	sagoyanfisic/cloudforge CloudForge: MCP server for AWS Architecture Diagrams - Generate, validate &...	19	Experimental	—	Python
26	VisualSynapse/VisualSynapse A MCP tool that helps converting code/repo into graph.	19	Experimental	—	Python
27	mingrath/drawio-mcp MCP server enabling LLMs to create and open diagrams in draw.io — supports...	19	Experimental	—	JavaScript
28	theosorus/MCP-Drawing MCP drawing application with TypeScript server and React frontend for...	18	Experimental	3	JavaScript
29	vinit-devops/repo-architecture-mcp An MCP server that provides architecture insights by creating diagrams of...	17	Experimental	2	Python
30	micartey/viro A Java doodle application with mcp integration for large language models	16	Experimental	1	Java
31	whallysson/excalidraw-mcp A Model Context Protocol (MCP) server for Excalidraw with real-time...	15	Experimental	—	TypeScript
32	pakkinlau/mcp-mermaid-validator-extended Independent continuation of rtuin/mcp-mermaid-validator with WSL stdin fix...	15	Experimental	—	JavaScript
33	Shubishere/ai-drawio 🖊️ Generate professional diagrams from natural language descriptions using...	14	Experimental	—	Python
34	rob-bl8ke/plantuml-mcp-server Explores the creation of a MCP server using JavaScript to generate PlantUML...	11	Experimental	—	JavaScript

Comparisons in this category

mcp_excalidraw and excalidraw-mcp (68 vs 39) mcp_excalidraw and mcp-excalidraw-local (68 vs 44) mcp_excalidraw and excalidraw-mcp-app (68 vs 22) mcp-mermaid and claude-mermaid (61 vs 60) mcp-mermaid and mcp-mermaid-validator (61 vs 52) mcp-mermaid and mcp-diagram-server (61 vs 24) mcp-mermaid and mermaider (61 vs 35) mcp-mermaid and diagram-master (61 vs 39) claude-mermaid and mcp-mermaid-validator (60 vs 52) claude-mermaid and mermaider (60 vs 35)