Mapping the emerging agent interface standards: MCP, A2A, AG-UI, ACP, OTel GenAI and more
bibryam · x · 2026-09-13
Bilgin Ibryam maps the open standards emerging at each boundary of the AI agent stack: Open Responses (models), MCP (tools), A2A (agent-to-agent), AG-UI/A2UI (UI), Skills (capabilities), OTel GenAI (telemetry), ACP (IDEs), and AAuth (identity). A follow-up post will assess where each fits and how mature they are.
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