Comparison pages are decision guides. They should say when to use each system, what boundary it owns, and which canonical source to check.
UAI-1 vs MCP
Use MCP for local tool/model integration. Use UAI-1 for public, durable, reviewable cross-boundary exchange.
UAI-1 vs OpenAPI
Use OpenAPI to describe HTTP APIs. Use UAI-1 to preserve exchange evidence and handoff state.