Ecma TC56 NLIP (Natural Language Interaction Protocol)

Abstract

The following documents are the official standards and technical report approved by Ecma International on 10 December 2025, developed by Ecma TC56 NLIP. All documents may be downloaded free of charge, with no registration required.

ECMA-430 Natural Language Interaction Protocol (NLIP), 1st edition, December 2025

This Standard defines the specifications of Natural Language Interaction Protocol (NLIP), which is an application-level communication protocol defined between AI Agents or between a human and an AI agent. Download from Ecma International