Keycloak MCP Server

A Model Context Protocol server for Keycloak administration, providing tools to manage users and realms.

Features

Create new users in specific realms
Delete users from realms
List available realms
List users in specific realms

Installation

Installing via Smithery

To install Keycloak for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install keycloak-model-context-protocol --client claude

Via NPM (Recommended)

The server is available as an NPM package:

# Direct usage with npx
npx -y keycloak-model-context-protocol

# Or global installation
npm install -g keycloak-model-context-protocol

Local Development Setup

If you want to develop or modify the server:

git clone <repository-url>
cd keycloak-model-context-protocol
npm install
npm run build

Configuration

Using NPM Package (Recommended)

Configure the server in your Claude Desktop configuration file:

{
  "mcpServers": {
    "keycloak": {
      "command": "npx",
      "args": ["-y", "keycloak-model-context-protocol"],
      "env": {
        "KEYCLOAK_URL": "http://localhost:8080",
        "KEYCLOAK_ADMIN": "admin",
        "KEYCLOAK_ADMIN_PASSWORD": "admin"
      }
    }
  }
}

For Local Development

{
  "mcpServers": {
    "keycloak": {
      "command": "node",
      "args": ["path/to/dist/index.js"],
      "env": {
        "KEYCLOAK_URL": "http://localhost:8080",
        "KEYCLOAK_ADMIN": "admin",
        "KEYCLOAK_ADMIN_PASSWORD": "admin"
      }
    }
  }
}

Available Tools

create-user

Creates a new user in a specified realm.

Inputs:

realm: The realm name
username: Username for the new user
email: Email address for the user
firstName: User's first name
lastName: User's last name

delete-user

Deletes a user from a specified realm.

Inputs:

realm: The realm name
userId: The ID of the user to delete

list-realms

Lists all available realms.

list-users

Lists all users in a specified realm.

Inputs:

realm: The realm name

Development

npm run watch

Testing

To test the server using MCP Inspector:

npx -y @modelcontextprotocol/inspector npx -y keycloak-model-context-protocol

Deployment

NPM Package

This project is automatically published to NPM via GitHub Actions when a new release is published on GitHub.

Setup Requirements for Deployment

Create NPM account and get access token
Add NPM_TOKEN secret to GitHub repository
- Go to repository Settings > Secrets
- Add new secret named NPM_TOKEN
- Paste your NPM access token as the value

Prerequisites

Node.js 18 or higher
Running Keycloak instance

Features

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Features

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