Release v1.0.6 - A2A Protocol, AWS ECS Production Deployment & Federation

Release v1.0.6 - A2A Protocol, AWS ECS Production Deployment & Federation

November 2025

Major Features

Agent-to-Agent (A2A) Protocol Support

Full implementation of the A2A protocol for agent registration, discovery, and communication:

• Agent Registry API - Complete REST API for agent lifecycle management (/api/agents/*)
• Semantic Agent Discovery - Find agents using natural language queries
• Agent Health Checks - Live /ping health monitoring for registered agents
• Fine-Grained Access Control - Three-tier permissions (UI-Scopes, Group Mappings, Agent Scopes)
• Example Agents - Travel Assistant and Flight Booking agents using Strands framework

A2A Guide | Agent Management

AWS ECS Production Deployment

Production-ready deployment on Amazon ECS Fargate:

• Multi-AZ Architecture - High availability across 2 availability zones
• Auto-scaling - Dynamic scaling based on CPU/memory utilization (2-4 tasks)
• Aurora PostgreSQL Serverless v2 - Auto-scaling database with Multi-AZ replication
• Application Load Balancers - HTTPS/SSL termination with ACM certificates
• CloudWatch Integration - Comprehensive monitoring, logging, and alerting
• EFS Shared Storage - Persistent storage for models, logs, and configuration
• Complete Terraform Configuration - Infrastructure as Code for the entire stack

ECS Deployment Guide

Federated Registry (ASOR Integration)

Multi-registry federation support:

• Workday ASOR Integration - Import AI agents from Agent System of Record
• Visual Identification - Clear visual tags distinguish federation sources (ANTHROPIC, ASOR)
• Automatic Sync - Scheduled synchronization with external registries
• Centralized Management - Single control plane for all federated servers and agents

Federation Guide

Microsoft Entra ID (Azure AD) Integration

Enterprise SSO with Microsoft identity platform:

• Generic OIDC Support - Flexible authentication provider configuration
• Entra ID Provider - Native Microsoft Entra ID integration
• Group-Based Access Control - Leverage existing Azure AD groups for permissions

Entra ID Setup Guide

What's New

A2A Agent Features

• Agent registration, update, delete, and toggle operations
• Semantic search for agent discovery (/api/agents/discover/semantic)
• Skill-based agent discovery (/api/agents/discover)
• Live agent health checks with /ping endpoint validation
• Travel Assistant and Flight Booking example agents

AWS ECS Deployment

• Production architecture with ECS Fargate
• Multi-account support for ALB security groups
• Scopes initialization container for Keycloak setup
• DockerHub publishing support for container images
• Architecture diagram for ECS deployment

UI Improvements

• Dark mode as default theme
• Semantic search integration in Registry UI
• Agent toggle functionality (enable/disable agents)
• Agent cards with health status display
• Improved UX and removed redundant search button

Developer Experience

• DEV_INSTRUCTIONS.md - Comprehensive developer onboarding guide
• llms.txt - LLM-friendly reference document for AI assistants
• API reference documentation with OpenAPI specs
• Agent management CLI (cli/agent_mgmt.py)
• Bootstrap script for user and M2M setup

Infrastructure

• Keycloak realm-level SSL configuration
• Gateway host flexibility for multi-platform support
• Build configuration with build-config.yaml and enhanced Makefile

Breaking Changes

None - this release is fully backward compatible with v1.0.5.

Upgrade Instructions

For Existing Installations

1. Pull the latest changes:

cd mcp-gateway-registry
git pull origin main

2. Update environment configuration: Add new variables to your .env file if using federation or Entra ID:

# For ASOR federation
ASOR_ACCESS_TOKEN=your_token

# For Entra ID
ENTRA_CLIENT_ID=your_client_id
ENTRA_CLIENT_SECRET=your_client_secret
ENTRA_TENANT_ID=your_tenant_id

3. Restart services:

./build_and_run.sh

For AWS ECS Deployment

See ECS Deployment Guide for complete Terraform-based deployment instructions.

Resources

• A2A Protocol Guide
• Agent Management Guide
• AWS ECS Deployment Guide
• Federation Guide
• Entra ID Setup Guide
• API Reference
• Developer Instructions

Support

• GitHub Issues
• GitHub Discussions
• Documentation

Full Changelog: v1.0.5...v1.0.6