How to Use the Keycloak MCP in Mastra AI

Q: Can I require manual approval in Mastra AI before deleting a Keycloak realm?

Yes. You can configure requireToolApproval on the Mastra AI client for sensitive tools like deleterealm so your agent never destroys an identity database without explicit human consent.

Q: Does Mastra AI support conditional branching based on Keycloak group hierarchies?

Yes. Mastra AI can evaluate the JSON output of listgroups and decide whether to run creategroup or place the user in an existing branch of your identity tree.

Automate multi-step Keycloak provisioning workflows with Mastra AI agents using this MCP Server.

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Connect Keycloak MCP to Mastra AI

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Setup Keycloak with Mastra AI

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Build resilient user onboarding pipelines

Onboarding new hires into Keycloak shouldn't break because of a minor API hiccup in your Mastra AI agent. By combining Mastra AI with this Keycloak MCP Server, you can build reliable workflows that call `create_user` and retry automatically if the network drops. If the creation succeeds, the Mastra AI workflow moves to the next step, calling `create_group` to set up their Keycloak team space. Mastra's built-in workflow engine handles Keycloak API backoff and recovery without manual intervention if any step fails.

Conditional branch logic for realm migrations

Migrating Keycloak identity setups with Mastra AI requires smart decision-making. Your Mastra AI agent can call `get_realm` to check current configurations, then use conditional branching to decide whether to run `import_realm` or update existing settings. If the target Keycloak realm doesn't exist, the Mastra AI workflow branches to create it. The Mastra AI agent runs `partial_export_realm` to back up current states if it does exist, ensuring your automated Keycloak migration never overwrites live data blindly.

Automated incident response for security events

When a Keycloak admin event triggers an alert, Mastra AI steps in using this MCP Server. The agent queries `list_admin_events` to pinpoint the issue, then executes remediation steps like `logout_all_users` in Keycloak if a breach is detected. You can configure the Mastra AI workflow to require manual approval before running destructive Keycloak tools. This keeps a human in the loop before the Mastra AI agent executes a sweeping Keycloak command like `delete_client`.

Setup guide

Set up Keycloak MCP in Mastra AI

Prerequisites

Node.js 18+ and a TypeScript project
@mastra/mcp + @mastra/core packages
Active Vinkius subscription with a valid endpoint token

1

Install dependencies
Run npm install @mastra/mcp @mastra/core plus your preferred model provider (e.g. @ai-sdk/openai).
2

Configure the MCPClient
Create an MCPClient with your Vinkius endpoint as a URL object. Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com.
3

Discover and inject tools
Call mcpClient.listTools() and spread the result into your agent's tools object. All Keycloak tools become native Mastra tools.
4

Run with any model
Swap openai("gpt-4o") for any AI SDK-compatible provider. Call agent.generate() and the agent routes tool calls through MCP automatically.

agent.ts

import { MCPClient } from "@mastra/mcp";
import { Agent } from "@mastra/core/agent";
import { openai } from "@ai-sdk/openai";

const mcpClient = new MCPClient({
  id: "keycloak-mcp-client",
  servers: {
    "keycloak-mcp": {
      url: new URL(
        "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
      ),
    },
  },
});

const agent = new Agent({
  name: "Keycloak Agent",
  model: openai("gpt-4o"),
  instructions: "You have access to Keycloak tools.",
  tools: {
    ...(await mcpClient.listTools()),
  },
});

const result = await agent.generate(
  "List recent Keycloak transactions"
);
console.log(result.text);

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Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Keycloak. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Keycloak MCP in Mastra AI

Mastra AI uses its built-in workflow engine to automatically retry the `create_user` tool with exponential backoff if the Keycloak server is temporarily unreachable.

Yes. You can configure `requireToolApproval` on the Mastra AI client for sensitive tools like `delete_realm` so your agent never destroys an identity database without explicit human consent.

Define your agent with the Keycloak MCP tools, package it, and deploy it to your cloud. The agent will use `get_client_secret` to manage your app connections automatically.

Yes. Mastra AI can evaluate the JSON output of `list_groups` and decide whether to run `create_group` or place the user in an existing branch of your identity tree.

All admin events and realm tokens are handled within an ephemeral V8 sandbox on Vinkius. Mastra AI communicates with the MCP Server over secure SSE, ensuring your identity log data is never exposed.

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