WebMCP Resources & Guides
Everything you need to understand, implement, and benefit from WebMCP — the new standard that makes websites readable by AI agents.
Guide
Complete WebMCP Implementation Guide for 2026
Step-by-step walkthrough of implementing both the Declarative API (HTML form attributes) and Imperative API (navigator.modelContext.registerTool) on any website, including the .well-known/webmcp manifest.
SEO
WebMCP is the New SEO: Introduction to Agentic Engine Optimization (AEO)
Dan Petrovic called WebMCP "the biggest shift in technical SEO since structured data." This guide explains why AEO is emerging as the successor to traditional SEO and what it means for your content strategy.
Comparison
WebMCP vs Anthropic MCP vs Microsoft NLWeb — Which Do You Need?
A clear comparison of the three major AI-web integration standards: Google's client-side WebMCP, Anthropic's server-side MCP, and Microsoft's NLWeb. When to use each and why most enterprises will deploy all three.
Technical
navigator.modelContext Explained: The Complete API Reference
Deep dive into the navigator.modelContext browser API — registerTool(), provideContext(), unregisterTool(), and requestUserInteraction(). Complete with code examples for e-commerce, travel, SaaS, and content sites.
Use Cases
WebMCP Use Cases: How E-commerce, Travel, and SaaS Sites Benefit
Real-world examples from Google's WebMCP documentation showing how AI agents can book flights, complete purchases, and create support tickets on WebMCP-ready sites — and what this means for conversion rates.
Tutorial
Using the @mcp-b/global Polyfill for Cross-Browser WebMCP Today
WebMCP is only in Chrome Canary — but you can implement it today using the mcp-b polyfill. This tutorial covers installation, configuration, and testing across browsers while waiting for the full stable rollout.
Security
WebMCP Security Model: Understanding Human-in-the-Loop and Domain Isolation
How WebMCP's security model protects users — domain-level tool isolation, hash verification, the agent.requestUserInteraction() flow, and the SubmitEvent.agentInvoked flag for server-side tracking.
Planning
WebMCP Readiness Checklist: 14 Things to Do Before the Full Rollout
A practical checklist for website owners and developers to prepare for WebMCP before the mid-2026 full Chrome rollout. From HTML cleanup to .well-known manifest setup to testing with Chrome DevTools.
News
Google Officially Announces WebMCP: Everything from the Feb 10, 2026 Launch
Full coverage of Google's WebMCP early preview launch — the Chrome 146 Canary rollout, the Early Preview Program, André Cipriani Bandarra's announcement post, and what developers need to do right now.