Best Diagrams AI Skills & MCP Servers
17 curated Diagrams skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Dgmo
MCP server for rendering DGMO diagrams — SVG/PNG output, browser preview, HTML reports, and 35+ chart types. Works with Claude Desktop, Claude Code, and any MCP client.
Excalidraw Server
Advanced MCP server for Excalidraw with real-time canvas, WebSocket sync, and comprehensive diagram management
Excalidraw Sentinel
Hardened, self-hosted Excalidraw MCP server with SQLite persistence, multi-tenancy, auto-sync, security middleware, and 369 tests
Claude Mermaid
MCP server for previewing Mermaid diagrams in Claude Code
Vaults Diagram Tools
Mermaid to assets. Source code to maps. MCP for agents.
Excalimaid
Convert Mermaid diagrams to Excalidraw and open in browser. Includes MCP server for AI assistants.
Mcp
MCP server for Zindex - agent-native diagram state infrastructure. A thin HTTP client exposing tools (create, patch, validate, normalize, diff, render, list-revisions, get-scene, delete-scene, undelete-scene, list-recently-deleted, submit-to-support, publ
Brick Diagram
Diagram generation — produce Mermaid, DOT/Graphviz, and ASCII diagrams from data.
Mermaid
A Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images
Embedded Editor For Claude Code
Embedded visual workspace for Claude Code — Excalidraw diagrams (with MCP tools + inline PNG), tldraw canvases, and Markdown notes, all linked by wikilinks
Fast Mermaid Validator
High-performance API and Model Context Protocol (MCP) server for validating Mermaid diagrams with comprehensive security features, multiple transport options, and enterprise-grade capabilities
Kroki
A Model Context Protocol server for converting Mermaid diagrams to SVG using Kroki.io
Mcp
Official draw.io MCP server for LLMs - Open diagrams in draw.io editor
Plantuml
MCP server for generating PlantUML diagrams
Mina
MCP Server for interacting with Mina projects.
Mina Linux X64
Linux x64 binary for @keadex/mina-mcp-server
Lucid
Model Context Protocol (MCP) server for Lucid App integration with multimodal AI analysis
About Diagrams skills on iClaude
iClaude is the universal install layer for AI skills. Every Diagrams skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.