Agent2Agent protocol 1.0 interoperability profile
Machine-readable implementation facts for discovering A2A agents, negotiating protocol versions, and exchanging messages across independent Agent systems.
resource.interop.a2a-1.0AI resource category
Agent interoperability
Protocol profiles for Agent discovery, capability negotiation, structured messages, and tool interoperability.
JSON-RPC 2.0 interoperability profile
Machine-readable implementation facts for JSON-RPC requests, notifications, response correlation, and transport-independent remote procedure calls.
resource.interop.json-rpc-2.0Model Context Protocol 2026-07-28 interoperability profile
Machine-readable implementation facts for the current stateless MCP core, JSON-RPC messages, standard transports, and JSON Schema validation requirements.
resource.interop.mcp-2026-07-28OpenAPI Specification 3.2.0 interoperability profile
Machine-readable implementation facts for describing HTTP APIs so Agent clients and conventional tooling can discover and understand service capabilities.
resource.interop.openapi-3.2.0