Model Context Protocol vs Agent2Agent Protocol
Model Context Protocol is listed under Agent infra, Agent2Agent Protocol under Agent infra. Shared focus: protocol, standard. Each name links to the product's own site.
| Category | Agent infra | Agent infra |
|---|---|---|
| Pricing | Open source | Open source |
| Public code | Yes | Yes |
| Tags | protocol, mcp, standard, tools | protocol, a2a, interoperability, standard |
| Website | modelcontextprotocol.io | a2a-protocol.org |
What Model Context Protocol does
Open protocol introduced by Anthropic that standardizes how AI applications connect to tools and data sources. It has SDKs in several languages and a large set of community servers.
What Agent2Agent Protocol does
Open protocol that lets agents built on different frameworks discover each other and exchange tasks. Google started it and it is now hosted by the Linux Foundation.
Other options
See all Agent infra, or alternatives to Model Context Protocol and Agent2Agent Protocol.