mcp-mermaid and diagram-master

These are **competitors** — both generate visual diagrams through MCP, but A produces Mermaid's text-based diagram syntax while B integrates with Draw.io's proprietary format, requiring users to choose between declarative diagram-as-code or interactive graphical editing.

mcp-mermaid
61
Established
diagram-master
39
Emerging
Maintenance 10/25
Adoption 10/25
Maturity 24/25
Community 17/25
Maintenance 6/25
Adoption 3/25
Maturity 18/25
Community 12/25
Stars: 466
Forks: 48
Downloads: —
Commits (30d): 0
Language: TypeScript
License: MIT
Stars: 3
Forks: 1
Downloads: —
Commits (30d): 0
Language: JavaScript
License: MIT
No risk flags
No risk flags

About mcp-mermaid

hustcc/mcp-mermaid

❤️ Generate mermaid diagram and chart with AI MCP dynamically.

Implements an MCP server supporting stdio, SSE, and Streamable transports for AI clients (Claude, VSCode, Cline) to generate Mermaid diagrams with configurable themes and styling. Offers multiple export formats including base64, SVG, PNG files, and shareable mermaid.ink URLs, with syntax validation to help models iteratively correct diagram outputs.

About diagram-master

thechandanbhagat/diagram-master

MCP for Draw.io

Implements an MCP server that translates natural language prompts into Draw.io-compatible XML diagrams, supporting flowcharts, sequence diagrams, ERDs, and network topologies through a unified `create_diagram` tool. Generates valid Draw.io XML that opens directly in the editor, with configurable output directories via environment variables. Integrates with Claude Desktop via stdio-based MCP protocol for seamless AI-assisted diagram creation.

Related comparisons

mcp-mermaid and claude-mermaid mcp-mermaid and mcp-mermaid-validator mcp-mermaid and mermaider mcp-mermaid and mcp-diagram-server mcp-mermaid and drawio-mcp-server mcp-mermaid and drawio-mcp-server

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