What is the key difference between Diagrams.so and Fortress?

Diagrams.so belongs to the Cloud Platforms category with local stdio execution, while Fortress belongs to the Cloud Platforms category with local stdio execution.

How do I install Diagrams.so or Fortress 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 Diagrams.so and Fortress free or paid?

Diagrams.so operates under a Free / Open Source model (No auth required). Fortress operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Diagrams.so lists 23 tools with 1 views and 0 GitHub stars. Fortress lists 0 tools with 0 views and 623 GitHub stars.

Can I use both Diagrams.so and Fortress 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

Diagrams.so vs Fortress

In-depth architectural comparison of the Diagrams.so and Fortress 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

Diagrams.so

Cloud Platforms · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Fortress

Cloud Platforms · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Diagrams.so if you need specialized Cloud Platforms tools running via a local process. Choose Fortress if your workspace requires Cloud Platforms integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Diagrams.so when:

You need dedicated capabilities in the Cloud Platforms domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: generate_diagram, edit_diagram, fix_warning.

Explore Diagrams.so Details

Choose Fortress when:

You need dedicated capabilities in the Cloud Platforms domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Fortress Details

Feature & Specification Comparison

Specification	Diagrams.so Cloud Platforms	Fortress Cloud Platforms
Summary	Generate and edit AWS, Azure, GCP and Kubernetes architecture diagrams as editable draw.io files.	Stealth browser for AI agents: fetch pages behind Cloudflare/DataDome/CAPTCHA, extract clean data.
Category & Scope	Cloud Platforms	Cloud Platforms
Quality signal

Tools & Capabilities Breakdown

Diagrams.so Tools (23)

generate_diagram

Create a diagram from a prompt → id + draw.io XML + warnings + score

edit_diagram

Apply a natural-language change (new version)

fix_warning

Resolve one Well-Architected warning

relayout_diagram

AI re-arrange the layout (async; first 2/diagram free, then confirm)

import_diagram

Import existing draw.io XML as a new diagram

update_diagram

Rename / change visibility / replace XML

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).

Diagrams.so Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "diagrams-so": {
      "command": "npx",
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ]
    }
  }
}

Fortress Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "fortress": {
      "command": "npx",
      "args": [
        "-y",
        "tilion-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Diagrams.so is categorized under Cloud Platforms and uses a local stdio subprocess. In contrast, Fortress belongs to Cloud Platforms using local stdio subprocess. Select Diagrams.so when you need capabilities focused on cloud platforms and Fortress when you require tools for cloud platforms.

More alternatives to Diagrams.so More alternatives to Fortress Cloud Platforms category hub