add keycloak mcp server to community servers list

[idoyudha]

Description

This PR adds the Keycloak MCP server to the third-party community servers list in the README.md. Keycloak is Open Source Identity and Access Management. It provides user federation, strong authentication, user management, fine-grained authorization, and more.

Server Details

• Server: mcp-keycloak
• Changes to: N/A (new addition to third-party servers list)

Motivation and Context

The Keycloak MCP Server bridges the gap between AI applications and Keycloak's powerful identity management capabilities. It provides a natural language interface for managing Keycloak identity and access management through its REST API, enabling AI agents to perform user management, client configuration, realm administration, and role-based access control operations seamlessly.

How Has This Been Tested?

The server has been tested with Claude Desktop. All core functionalities including user management, client configuration, role management, group management, and realm have been verified to work correctly.

Breaking Changes

No breaking changes - this is a new addition to the community servers list.

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

Additional context

Provides over tools for comprehensive Keycloak management and is available for installation via pip, Smithery CLI, or local development.

[claude]

Thank you @idoyudha for your contribution! 🎉

Your Keycloak MCP server has been accepted and included as part of our batch integration in PR #2553. We really appreciate you taking the time to submit this integration.

The server is now officially listed in our README and available to the community!