What is the key difference between Diagramzu MCP and Mermaid MCP Server?

Diagramzu MCP belongs to the Architecture & Design category with local stdio execution, while Mermaid MCP Server belongs to the Architecture & Design category with local stdio execution.

How do I install Diagramzu MCP or Mermaid MCP Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Diagramzu MCP and Mermaid MCP Server free or paid?

Diagramzu MCP operates under a Freemium model (API Key required). Mermaid MCP Server operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Diagramzu MCP lists 8 tools with 2 views and 1 GitHub stars. Mermaid MCP Server lists 6 tools with 2 views and 15 GitHub stars.

Can I use both Diagramzu MCP and Mermaid MCP Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Diagramzu MCP vs Mermaid MCP Server

In-depth architectural comparison of the Diagramzu MCP and Mermaid MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Diagramzu MCP

Architecture & Design · Local stdio

Quality: 59/100 (Good) | Auth: API Key required

Mermaid MCP Server

Architecture & Design · Local stdio

Quality: 33/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Diagramzu MCP if you need specialized Architecture & Design tools running via a local process. Choose Mermaid MCP Server if your workspace requires Architecture & Design integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Diagramzu MCP when:

You need dedicated capabilities in the Architecture & Design domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: DIAGRAMZU_BASE_URL, DIAGRAMZU_API_TOKEN, DIAGRAMZU_SPACE_ID.
Primary tools included: list_diagrams, list_folders, get_diagram.

Explore Diagramzu MCP Details

Choose Mermaid MCP Server when:

You need dedicated capabilities in the Architecture & Design domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: PROJECT_ROOT, KROKI_BASE_URL, KROKI_TIMEOUT, DIAGRAM_OUT_DIR, MAX_FILE_CHARS.

Feature & Specification Comparison

Specification	Diagramzu MCP yenchieh Architecture & Design	Mermaid MCP Server GittyBurstein Architecture & Design
Summary	Let your AI author Mermaid diagrams (flowchart, sequence, ER, mindmap) in a shared workspace, then read, comment on, embed, and present them at a clean URL — instead of pasting back hundreds of lines of prose. Hosted endpoint https://mcp.diagramzu.ai/mcp or local npx -y @diagramzu/mcp. 14 tools incl. diagram CRUD, version history, comments, presentation decks, and analyzediagram lints.	MCP server that turns local projects or GitHub repositories into Mermaid diagrams and renders them via Kroki.
Category & Scope

Tools & Capabilities Breakdown

Diagramzu MCP Tools (8)

list_diagrams

List diagrams in the Space (filter with `q`, sort by `updated` / `created`)

list_folders

List folders in the Space

get_diagram

Fetch one diagram by id (returns title + Mermaid source)

create_diagram

Create a new diagram (returns the share URL)

update_diagram

Update title and/or Mermaid source of an existing diagram

analyze_diagram

Get a structural summary of a diagram (nodes, edges, density)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Diagramzu MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "yenchieh-diagramzu-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@diagramzu/mcp"
      ],
      "env": {
        "DIAGRAMZU_BASE_URL": "YOUR_DIAGRAMZU_BASE_URL_HERE",
        "DIAGRAMZU_API_TOKEN": "YOUR_DIAGRAMZU_API_TOKEN_HERE",
        "DIAGRAMZU_SPACE_ID": "YOUR_DIAGRAMZU_SPACE_ID_HERE"
      }
    }
  }
}

Mermaid MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "gittyburstein-mermaid-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "gittyburstein-mermaid-mcp-server"
      ],
      "env": {
        "PROJECT_ROOT": "YOUR_PROJECT_ROOT_HERE",
        "KROKI_BASE_URL": "YOUR_KROKI_BASE_URL_HERE",
        "KROKI_TIMEOUT": "YOUR_KROKI_TIMEOUT_HERE",
        "DIAGRAM_OUT_DIR": "YOUR_DIAGRAM_OUT_DIR_HERE",
        "MAX_FILE_CHARS": "YOUR_MAX_FILE_CHARS_HERE"
      }
    }
  }
}

Frequently Asked Questions

Diagramzu MCP is categorized under Architecture & Design and uses a local stdio subprocess. In contrast, Mermaid MCP Server belongs to Architecture & Design using local stdio subprocess. Select Diagramzu MCP when you need capabilities focused on architecture & design and Mermaid MCP Server when you require tools for architecture & design.

More alternatives to Diagramzu MCP More alternatives to Mermaid MCP Server Architecture & Design category hub Canonical compare URL