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This deep dive explores key protocols and frameworks essential for building AI agents, including MCP, A2A, ACP, ADK, Arc, Quarkus, and LangChain4j. Attendees will learn their merits, practical implementation, and interoperability through detailed walkthroughs and demos, gaining clarity on their roles in effective LLM-based agent development.

An proof of concept visualization of ADK agent definitions

Java implementation of the Gemini Interactions API

Chrome extension to summarize the text in the current tab

Analyze current topics on the Bluesky firehose

An AI agent to create short stories, using Gemini and Imagen for illustrations. The project is developed in Java 21 with LangChain4j, and deployed on Google Cloud. You can browse generated stories at: https://short-ai-story.web.app/

Groovy Web Console on Google App Engine

Gemini workshop for Java developers, using the LangChain4j orchestration framework

In-browser semantic search demo using EmbeddingGemma and Transformers.js. No server required.

Project template to get started creating your first agent with ADK for Java and building with Maven

A sample blog application written in Groovy with the Gaelyk lightweight toolkit for the Google App Engine SDK

A Gemini CLI skill to make text more genuine, natural, and free of AI tropes.

Generate kid stories with the PaLM API

File-based memory and experience retrieval architecture for AI agents, enabling progressive disclosure of playbooks, heuristics, and traps without vector DBs.

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An interactive web visualizer for Antigravity AI agent JSONL execution transcripts.

Demo of the Devoxx REST API schedule written with Gaelyk

Griffon application to edit asciidoc documents and have a render them in web views

Executable specification documents

Comic Trip Agent: an ADK Java agent application, propelled by Quarkus, to transform your travel pictures into a pop-art comic strip.

Groovy documentation chatbot powered by the Gemini large language model

⚡ Executable Markdown files with Gemini CLI 🖥️

Git repository for Gaelyk plugins

Minimal Coding Agent implemented with LangChain4j. Single Java file, runnable with jbang.

JsonSpotter, a simple library to extract the longest well-balanced JSON object or array from a JSON string. Helpful for dealing with chatty LLMs that sugar-coat their responses!

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A simple native macOS code editor built with Swift, SwiftUI, and TextKit 2.

MCP server for arXiv, implemented in Java with Quarkus

Code for the serverless web APIs workshop

Java version of LangChain

Agent Skill to develop STDIO MCP servers in Java, using LangChain4j for the MCP framework, and JBang for running the server

Moon phases MCP server, using Server-Sent Events, implemented in Java with the Quarkus framework

No description.

This is the code for the Pic-a-daily, an application to upload, analyse and share pictures using Google Cloud serverless solutions, namely Cloud Functions, App Engine, and Cloud Run

🏗 Build container images for your Java applications.

Samples showing how to deploy Micronaut services on Google Cloud, with Cloud Functions, App Engine and Cloud Run

Showing an AST transformation that forbids the usage of @Grab or @Grapes

Agentic Design Patterns in Java (Progressive Disclosure, Goal Oriented Action Planning, LLM-as-Judge) using LangChain4j and Quarkus

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Official data.gouv.fr Model Context Protocol (MCP) server that allows AI chatbots to search, explore, and analyze datasets from the French national Open Data platform, directly through conversation.

Skills for the Gemini API, SDK and model/agent interactions

An website to play with the 100 best classical books of all time http://www.100bestbooks.xyz

Curated list of awesome Artificial Intelligence (AI), Machine Learning (ML) and "Agents" stuff related to Java and the JVM.

Example of an MCP server implemented with Micronaut

vert.x - Effortless asynchronous application development for the modern web and enterprise

A curated list of awesome Java frameworks, libraries and software.

Slides for presentations at GR8Conf US 2014

Small Gaelyk application invoked as a post-receive hook when commits are pushed to a Git repository.

Sample application showcasing Primefaces + Groovy + Cassandra integration

A Groovy AST transformation which allows writing the body of a method as bytecode instructions.

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Instantly calculate your Skyjo points from a photo using Gemini Flash AI.

An unofficial Java port of the Antigravity AI Agent SDK.

Simple MCP server implementation, using the HTTP Streamable transport, implemented with Micronaut and its MCP module

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Google Gen AI Java SDK provides an interface for developers to integrate Google's generative models into their Java applications.

Ansiren, a small Java library to render text and Markdown in the console using ANSI color escape codes

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Mirror of Apache Groovy

The simplest way to build data apps and webapps in Java. Inspired by Streamlit.

Extension for Jackson JSON processor that adds support for serializing POJOs as XML (and deserializing from XML) as an alternative to JSON

Snowcamp - Supports des sessions

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Java and Kotlin Code samples used on cloud.google.com

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A pocket-sized musical instrument

A list of Java Champions

Google Cloud Client Library for Java

A collection of Workflows samples for various use cases

A user-space file system for interacting with Google Cloud Storage

Visual Studio Code

A pure-ruby code highlighter that is compatible with pygments http://rouge.jneen.net/

This repository list a maximum of tech conferences's date and CFP in order to help conferences organizers, speakers & attendees

Sample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.

Source files for Nim basics tutorial

Personal Homepage

Sample code for the talk on monitoring 3D prints with Micronaut, Cloud Run, WebSockets and WebRTC

📣 An open SaaS platform to manage call for papers

This repository contains a collection of samples for Eventarc for various use cases.

A collection of professionally designed, every day UI components built on a framework-agnostic technology. 🥾

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Lightweight Java wrapper around JQ, a flexible JSON processor available for multiple platforms

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Generates Micronaut applications

FaaS (Function as a service) framework for writing portable Java functions

Ahead of Time Data Repositories

Community-maintained unofficial FAQ for Google Cloud Run ✨

App Engine Samples

A curated list of resources about all things Cloud Run

My blog

Quarkus: Supersonic Subatomic Java.

Apache Groovy content to generate sites

DevTube contribution data.

The Groovy language website

Javascript syntax highlighter

This sample consists of a simple API.AI agent, a node.js server and a web interface that together demonstrate an approach for handing text-based conversations from an API.AI agent to a human operator.

My Lazybone Templates

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A general purpose syntax highlighter in pure Go

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A static site for the Jenkins automation server

GR8Conf website

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Sandbox testing Groovy based Spark applications

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Online documentation and manual for Betamax

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A Swagger to AsciiDoc or Markdown converter to simplify the generation of an up-to-date RESTful API documentation by combining documentation that’s been hand-written with auto-generated API documentation.

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The Star Wars API

Dockerized bio

Asciidoc Documentation for HalBuilder

HalBuilder Core

A toolkit for JVM web applications

GPars organization GitHub pages

a collection of html/css/js assets for displaying upcoming api events from an api event API

iOS sample project accessing the fireworks API demo

Site web listant les feux d'artifice en France

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An experimental Groovy-based converter for Asciidoctor to generate Leanpub-falvour Markdown

A Swagger2Markup demo using Spring Boot and Springfox

4th of July fireworks assets

Redirection configuration

Automatically exported from code.google.com/p/groovy-restlet

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Un projet de capture écran à partir de votre webcam, s'appuyant sur de la détection de mouvements. L'objectif est de découvrir le déploiement d'un projet PHP sur une Application Web Microsoft Azure. Il est basé sur le framework PHP Symfony 2.

Lightweight SOAP and REST webservice clients for Groovy

A Gradle plugin to support the Groovy language for building Android apps

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Dead simple Swagger config for Spring Boot

Groovy RabbitMQ client heavily inspired by Bunny, March Hare and Langohr

In-browser code editor

Groovy language Git repository

A powerful build system for the JVM

Groovy language support in Atom

Asciidoc preview in Atom

Machine learning programming exercises

Triple dominoes watch face for Pebble

The Language ⇔ Language Matrix, running languages in other languages

A plugin that wraps the GroovyFX library for use in Griffon.

An open source Ruby processor for converting AsciiDoc source files or strings into HTML 5, DocBook 4.5 and other formats.

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A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions

The XWiki Rendering Engine

The new Jline