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Chrome 146+ Origin Trial — Live Now

Get Found & Used by AI Agents, Not Just Google

Leominix implements Chrome’s WebMCP standard, giving AI agents a structured, reliable way to interact with your web pages. No more guesswork actuation. Just precise, repeatable results.

WebMCP Code

The Problem We Solve

A Direct Line Between Your Site and Any
AI Agent

Traditionally, AI agents “guess” how to interact with your website — clicking buttons, filling fields, and navigating menus by visual inference. WebMCP changes this: you declare exactly what your tools do, and agents follow those instructions precisely.

This means fewer errors, faster task completion, and a consistent experience whether the end-user is a human or an AI model acting on their behalf.

  • Agents interact via declared schemas, not fragile UI scraping
  • Consistent, repeatable outcomes across any AI platform
  • Zero impact on human user experience — fully transparent overlay

Chrome 146+

Early Adopter Access Available Now

W3C

Standards-First Implementation

24hr

Response Guarantee

<!– ========================================================
IMPERATIVE API — Registering a Dynamic JavaScript Tool
======================================================== –>

<script>
  // 1. Define your actual local website function
  function handleBookingSubmission(args) {
    console.log(“AI Agent triggered booking with data:”, args);
    // Your website logic here (e.g., fetch, update UI, state changes)
  }
  // 2. Register it seamlessly to the browser’s model context
  navigator.modelContext.registerTool({
    name: ‘submit_booking’,
    description: ‘Complete a reservation’,
    inputSchema: {
      type: ‘object’,
      properties: {
        date:    { type: ‘string’, description: ‘The booking date (YYYY-MM-DD)’ },
        guests:  { type: ‘number’, description: ‘Total number of guests’ },
        room_id: { type: ‘string’, description: ‘The specific room ID’ }
      },
      required: [‘date’, ‘guests’, ‘room_id’]
    }
  }, handleBookingSubmission);
</script>

<!– ========================================================
DECLARATIVE API — Annotating HTML Forms for AI Readiness
======================================================== –>
<form toolname=“checkout”
            tooldescription=“Complete purchase and process checkout”
            toolautosubmit>

<label for=“address”>Delivery Address</label>
<input type=“text”
            id=“address”
            name=“delivery_address”
            description=“The full physical shipping destination address” />

</form>

What We Deliver

A Full WebMCP Implementation

Tool Registration & Architecture

We design and implement the full tool schema for your site, mapping every agent-accessible action with correct JSON Schemas, parameters, and outputs.

Declarative HTML Annotation

Using Chrome's Declarative API, we annotate your existing HTML forms with tool attributes — making them instantly agent-readable without major refactoring.

Security & Permissions Policy

We configure origin isolation, permissions policies, and cross-origin iframe rules, ensuring your WebMCP tools are exposed safely and correctly.

State Management

We implement real-time page context sharing so agents always know the current state of available products, active session data, or live inventory.

Evals & Agent Testing

Using Chrome's Model Context Tool Inspector and the WebMCP Evals framework, we rigorously test every tool before launch to verify accuracy and reliability.

Progressive Enhancement

WebMCP layers cleanly over your existing site. Human users see no difference; only AI agents gain the new capability, keeping your UX fully intact.

Our Process

From Brief to Browser-Ready

A structured engagement built around your site’s specific agent use cases.

01

Discovery & Audit

We map your site’s key flows checkout, booking, support, search and identify which actions are worth exposing as agent tools.

02

Tool Schema Design

We draft the full tool catalogue: names, descriptions, parameter types, and expected outputs documented as a JSON Schema spec.

03

Build & Integration

We implement both APIs as needed imperative for complex logic, declarative for standard forms tested against Chrome’s origin trial.

04

Eval, Launch & Handover

We run agent evals, fix edge cases, document every tool for your team, and hand over a production-ready implementation.

Industries & Use Cases

Where WebMCP Drives Real Value

Any website with structured user journeys is a candidate. Here are the most impactful applications.

E-Commerce & Retail

Enable AI shopping assistants to filter products, apply discount codes, and complete checkout accurately — every time, boosting conversion rates significantly.

Travel & Hospitality

Let agents handle complex multi-city bookings, date pickers, and passenger details without misinterpreting bespoke UI components.

Healthcare & Appointments

Expose appointment booking and triage forms as structured tools, reducing friction for patients using AI health assistants.

SaaS & Developer Tools

Register diagnostic triggers, settings flows, and onboarding steps as callable tools so power users' AI agents can automate repetitive configuration tasks.

Financial Services

Provide agents with structured access to account tools with confirmation dialogues enforced for sensitive actions like transfers or applications.

Customer Support Portals

Help agents navigate complex support trees and pre-fill ticket fields accurately, reducing resolution time and support overhead.

Why Leominix

The UK Agency That Knows This Standard Inside Out

WebMCP is still in its origin trial. You need a partner who’s already in it not learning on your time.

Early Adopter Expertise

We’ve been working with WebMCP since Chrome 146+ developer flag testing. We don’t have a learning curve — we’ve already mapped the edges of the spec.

Standards-First Approach

We implement to the W3C spec, not workarounds. Your integration will remain compatible as the standard matures toward full browser release.

Full-Stack UK Team

London-based and timezone-aligned with your business, with clear documentation, structured handovers, and ongoing support if you need it.

Ready to Get Started?

Make Your Website Agent - Ready Today

Tell us about your project. We’ll come back to you within one business day with a clear assessment and proposed scope.

 


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