agentscope-ai/agentscope-java

[Feature]: 升级 A2A SDK 至 v1.0 以支持稳定的AgentCard 和A2A协议

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#1388 opened on May 14, 2026

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enhancementhelp wanted

Description

背景: A2A 协议社区已正式发布 v1.0.0 版本，这是首个稳定的、可用于生产环境的版本。此版本在交互协议和 AgentCard 规范上引入了重大变化，这些变化对于 AgentScope 的互操作性功能至关重要。

建议: AgentScope-Java 当前实现的是较早的版本（v0.3）。为了确保与更广泛的 A2A 生态系统（例如，未来的 Google、Microsoft 智能体）兼容，我们需要将 A2A SDK 升级到 v1.0.0 版本。 A2A v1.0:https://a2a-protocol.org/latest/announcing-1.0/

Contributor guide

Tech stack
java
Domain
backend
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Java developmentMaven/GradleA2A protocol
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45
Research direction
First, identify all A2A related imports and usage in the codebase (e.g., in src/main/java). Then, review the A2A v1.0 release notes and migration guide from the provided URL (https://a2a protocol.org/latest/announcing 1.0/). Update the SDK dependency version in pom.xml or build.gradle and adjust any API calls that have changed. Ensure existing tests pass and consider writing additional tests for new features.