UAI-1 is the current public message standard for structured AI-to-AI communication.

Public interoperability charter UAIX.org Universal Artificial Intelligence Exchange Public standards publication

Current version UAI-1
Plain-English definition Open message format for auditable AI-to-AI exchange
Current attribution Michael Joseph Kappel, MCP
Start here Get Started, Project Handoff, UAI-1, validator, roadmap, and changelog

Index Surface

HTML Sitemap

Root sitemap directory for the current UAIX site, linking search engines and readers to the locale-specific XML and HTML sitemaps.

XML https://uiax.org/sitemap.xml
Robots https://uiax.org/robots.txt
Coverage 2 locale sitemap surfaces

Sitemap posture

Layered sitemap index Root sitemap directory linking crawlers and readers to the locale-specific XML and HTML sitemap surfaces.

Locale Sitemaps

Language-specific XML and HTML sitemap surfaces published beneath the root sitemap index.

English (US) | Default locale
https://uiax.org/en-us/sitemap.xml
https://uiax.org/en-us/sitemap.html
Chinese (Simplified)
https://uiax.org/zh-cn/sitemap.xml
https://uiax.org/zh-cn/sitemap.html

Root Sitemap Role

Use the root sitemap as the canonical discovery index, then follow the locale-specific sitemap documents for the page-level URL inventory in each language.