A2A Protocol vs OpenAgents vs Spring AI Alibaba
Side by side, from each listing’s own data. A row where every column says the same is shown once, dimmed.
 A2A Protocolby A2A Project (Linux Foundation)Remove A2A Protocol from this comparison |  OpenAgentsby OpenAgentsRemove OpenAgents from this comparison |  Spring AI Alibababy AlibabaRemove Spring AI Alibaba from this comparison | |
|---|---|---|---|
| Sets it apart |
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| What it is | Defines the Agent2Agent interoperability protocol and SDKs so agents built on different frameworks discover each other, negotiate capabilities, and exchange tasks. | Runs a collaboration workspace where agents delegate to each other by mention, reachable through Python and TypeScript SDKs, a CLI connector, and an A2A endpoint. | Builds agentic, workflow and multi-agent applications in Java and Spring Boot on a graph runtime for stateful agents, with A2A communication, tool calling and MCP support. |
| Provider | A2A Project (Linux Foundation) | OpenAgents | Alibaba |
| Official vendor | Not an official listing | Not an official listing | Alibaba |
| Verified | YesSame for all | ||
| Access | API | API, CLI | API, MCP |
| Auth | OAuth 2.0 | API Key | API Key |
| MCP server | No MCP server | No MCP server | In its setup guide |
| CLI install | No CLI | In its docs | No CLI |
| API base URL | In its docsSame for all | ||
| Skills | Agent Discovery, Task Exchange, Streaming and Push Updates | Mention Delegation, A2A Endpoint, CLI Connector | Multi-Agent Patterns, Graph-Based Workflows, Context Engineering Hooks, A2A Coordination, Realtime Voice Agent |
| Streaming | YesSame for all | ||
| Push notifications | Yes | No | No |
| Categories | Orchestration, Infrastructure & Ops | Orchestration, Communication & Messaging | Orchestration, Code & DevTools |
| Tags | agent-interoperability, protocol, agent-cards, task-delegation, linux-foundation, multi-agent, open-standard | agent-collaboration, a2a-protocol, mention-delegation, desktop-launcher, multi-agent-workspace, self-hosted | java, spring-boot, multi-agent-patterns, graph-workflow, a2a-protocol, dashscope, human-in-the-loop, context-engineering |
| Listed since | Aug 15, 2026 | Sep 2, 2026 | Aug 1, 2026 |
| Use it now | |||
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https://agentswitchboard.dev/compare?a=a2a-protocol&b=openagents&c=spring-ai-alibabaMore comparisons
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