glossary / A2A protocol
A2A (Agent2Agent) is a protocol for AI agents from different providers to discover and message each other as peers, advertising capabilities via an agent card.
Where MCP connects an agent to tools, A2A connects agents to agents.
MCP server · tool reliability · MCP gateway · pre-flight check · working recipe · reliability score
Glimind is the live reliability layer for AI agent tools — docs · add it.