Design System Server MCP Server

MCP server for design system documentation

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What is the Design System Server MCP server?

MCP server for design system documentation. That is what the design system server mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

This is a Model Context Protocol (MCP) server that provides access to Appian's design system documentation through GitHub repositories. It supports both public and internal documentation sources, allowing LLMs like Claude to query and explore design system components, layouts, and patterns with appropriate access controls.

  • Multi-source support — Access both public and internal documentation repositories
  • Source attribution — Clear indication of content source (public/internal)
  • Priority-based merging — Internal documentation overrides public when both exist
  • Access control — Configurable access to internal documentation
  • Browse design system categories — (components, layouts, patterns, branding, etc.)
  • List components — within a category with source information

The tools it exposes

The server publishes 2 tools. What each one is for:

  • Prerequisites — The Prerequisites tool exposed by this server
  • Troubleshooting — The Troubleshooting tool exposed by this server

Getting it running

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.

What it needs from you

Configuration is passed through the environment: GITHUB_TOKEN, INTERNAL_DOCS_TOKEN. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

  • Access to the internal documentation repository - Permission to create GitHub Personal Access Tokens for private repositories

How it compares

Among the knowledge and memory options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Design System Server's toolset — Prerequisites, Troubleshooting — is a fair guide to whether it matches your workflow. It is maintained by pglevy; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Design System Server's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
PrerequisitesThe Prerequisites tool exposed by this server.
TroubleshootingThe Troubleshooting tool exposed by this server.

How to install the Design System Server MCP server

{
       "mcpServers": {
           "design-system": {
               "command": "node",
               "args": [
                   "/ABSOLUTE/PATH/TO/aurora-mcp/build/index.js"
               ]
           }
       }
   }

Configuration as documented by the project. Restart the client after saving.

Configuration

  • Access to the internal documentation repository - Permission to create GitHub Personal Access Tokens for private repositories
VariableDescriptionRequired
GITHUB_TOKENCredential the server authenticates with.Yes
INTERNAL_DOCS_TOKENCredential the server authenticates with.Yes

Example prompts to try

  • Use Design System Server to Prerequisites.
  • Use Design System Server to Troubleshooting.

Frequently asked questions

It connects Design System Server to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (Prerequisites, Troubleshooting) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Design System Server directly.