ADK Go 1.0 Arrives!

Author: Toni Klopfenstein, Developer Relations Engineer Date: March 31, 2026 URL: https://developers.googleblog.com/adk-go-10-arrives/

Overview

Google has launched Agent Development Kit for Go 1.0, marking a significant evolution from experimental AI scripts to production-ready services. The framework emphasizes observability, security, and extensibility for building complex multi-agent systems.

Key Features

OpenTelemetry Integration

The release introduces native OpenTelemetry support for deep tracing. Developers can visualize an agent's "chain of thought" alongside application metrics in tools like Cloud Trace, helping identify whether failures stem from tool issues, model hallucinations, or API latency problems.

Plugin System

A new extensibility framework allows injection of cross-cutting concerns—logging, security filters, and self-correction—without modifying core agent logic. The Retry and Reflect plugin enables agents to self-correct by intercepting tool errors and allowing the model to adjust parameters and retry automatically.

Human-in-the-Loop (HITL) Confirmations

Aligned with Google's Safe AI Framework guidelines, sensitive operations can require human approval. Tools flagged as RequireConfirmation pause execution and wait for human signals before proceeding with actions like financial transactions or database changes.

YAML Configuration Support

Agents can now be defined through YAML configurations, enabling rapid iteration without rewriting Go code. This separation of configuration from business logic simplifies agent persona and sub-agent hierarchy management.

Agent2Agent (A2A) Protocol

Refined cross-language communication protocol supporting seamless coordination between Go, Java, and Python agents with reliable event ordering and response aggregation.

Getting Started

Developers can access the Quickstart Guide and GitHub repository at github.com/google/adk-go and join the community on Reddit or the ADK Community Google Group.