PatternFly MCP Server

A Model Context Protocol (MCP) server that provides access to PatternFly rules and documentation, built with Node.js.

The PatternFly MCP server is a comprehensive library resource for PatternFly. It is intended to be extensible to meet the needs of different teams and projects, from simple to complex, from design to development. Read more about our roadmap and how we’ve structured the server in our architecture docs.

Requirements

• Node.js 22+
• NPM (or equivalent package manager)

Quick start

The PatternFly MCP Server supports multiple configurations; see the usage documentation for details.

For integrated use with an IDE

Set a basic MCP configuration

Unable to update to the required Node.js version? See pinned MCP configuration examples for earlier Node.js versions.

Minimal configuration

{
  "mcpServers": {
    "patternfly-mcp": {
      "command": "npx",
      "args": ["-y", "@patternfly/patternfly-mcp@latest"],
      "description": "PatternFly rules and documentation"
    }
  }
}

HTTP transport mode

{
  "mcpServers": {
    "patternfly-mcp": {
      "command": "npx",
      "args": ["-y", "@patternfly/patternfly-mcp@latest", "--http", "--port", "8080"],
      "description": "PatternFly rules and documentation (HTTP transport)"
    }
  }
}

See the MCP Server Configuration documentation for more examples.

For development, advanced usage

Run the latest released server

Run the latest published package immediately via npx:

npx -y @patternfly/patternfly-mcp@latest

Or with options

npx -y @patternfly/patternfly-mcp@latest --log-stderr --verbose

Run a locally built server

# clone the repo, change the directory, npm install, npm run build, then in the repo context run...
npm start

Inspect the server

Visualize and test the packaged MCP interface:

npx -y @modelcontextprotocol/inspector npx -y @patternfly/patternfly-mcp@latest

Build from source and test a local built MCP interface:

# clone the repo, change the directory, npm install, npm run build, then in the repo context run...
npx -y @modelcontextprotocol/inspector node dist/cli.js

Embed the server in your application

import { start } from '@patternfly/patternfly-mcp';

// Remember to avoid using console.log and info, they pollute STDOUT
async function main() {
  const server = await start();

  // Graceful shutdown
  process.on('SIGINT', async () => {
    await server.stop();
    process.exit(0);
  });
}

main();

See the development documentation for additional examples, CLI and embedded server options.

Documentation

For comprehensive usage, development, and project state read the docs.