Launch history, standards, and implementation playbooks.

This protocol collection has been expanded with launch context, maintainers, official docs, third-party references, and implementation guidance for major CMS and composable web stacks.

Protocol pages

MCP (Model Context Protocol)

Anthropic-led open standard for model-to-tool/data integration.

Open page →

WebMCP

Web platform proposal for browser-native agent tool exposure.

Open page →

A2A (Agent2Agent)

Open agent interoperability protocol, launched by Google Cloud and partners.

Open page →

UCP (Universal Commerce Protocol)

Open standard for agentic commerce flows across platforms and merchants.

Open page →

ACP (Agent Communication / Client Protocols)

Important ACP landscape: Agent Communication Protocol and Agent Client Protocol.

Open page →

NLWeb

Microsoft open project for natural language interfaces on the web.

Open page →

CMS implementation library

Each protocol now includes dedicated implementation guides for WordPress, Shopify, Webflow, Drupal, HubSpot CMS, and Contentful under protocol-specific nested routes.

6 protocols 6 CMS guides each 36 implementation runbooks