What are the best alternatives to A2A?

The top alternatives to A2A are AWS MCP Servers, Zapier MCP, Hugging Face MCP Server, ranked by real usage data on Unfragile.

Are there free alternatives to A2A?

Yes, 20 free alternatives to A2A exist, including AWS MCP Servers, Zapier MCP, Hugging Face MCP Server.

20 alternatives ranked by real usage data. A2A scores 51/100 — 20 tools score higher.

OriginalA2A

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

20 alternatives

20 free options

20 score higher

AWS Labs' official MCP suite — docs, CDK, Bedrock KB, cost, Lambda and more as agent tools.