# System Designer MCP Server

> Use this tool when you need to create and validate UML system models, and export them to visual diagram formats like PlantUML and Mermaid. It solves problems of system modeling and design by providing a structured MSON format for AI agents to generate and export models. The tool takes in system design inputs and outputs UML models, PlantUML, and Mermaid diagrams for direct export to System Designer macOS application.

Canonical page: https://skillsregistry.net/skills/chevyphillip-system-designer-mcp  
JSON: https://api.skillsregistry.net/v1/skills/chevyphillip-system-designer-mcp

## Description

Enables AI agents to create, validate, and export UML system models using structured MSON format. Supports generating PlantUML and Mermaid diagrams with direct export to System Designer macOS application.

## Trust

- **Trust score (0–1):** 0.87
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/uxct1nnxkt)
- **Repository:** <https://github.com/chevyphillip/system-designer-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "chevyphillip-system-designer-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/chevyphillip-system-designer-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/chevyphillip-system-designer-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt