WebMCP ProtocolComing Soon
AI Agents Are Learning to Shop.
Will Your Shopify Store Be Ready?
WebMCP is the browser-native protocol that will let AI assistants search products, manage carts, and complete checkout on your store. One install. No code changes. Be among the first to get access.
Every Shopify theme|<10KB async|Zero code changes|Free tier planned|SOC 2 compliant
Without WebMCP
With WebMCP
Market Context
The Way People Shop Is Changing — Again
Remember when mobile commerce was optional? When “our customers don't shop on phones” was a reasonable thing to say? Then mobile-first happened, and stores without responsive design lost half their traffic overnight.
WebMCP is that moment for AI agents.
Google's WebMCP protocol — released in Chrome 146 on February 9, 2026, with Microsoft Edge support confirmed — creates a standard way for AI assistants to interact with websites. Not by scraping your pages or guessing at your UI, but through structured tools that your store explicitly provides.
When a customer tells their AI assistant “find me a birthday gift under $50 from YourStore.com,” the agent needs these tools. If your store has them, the agent shops. If your store doesn't, the agent moves on to a competitor that does.
When AI agents comparison-shop, they call structured tools. A store that exposes WebMCP tools could be the one the agent transacts with -- a store without them could be skipped entirely.
Screen Era
Agent Era
Product discovery
Google Search → browse your site
Agent queries your tools directly
Comparison shopping
5 open tabs, manual review
Agent queries 5 stores in parallel
Purchase flow
Navigate checkout, fill forms
Tool call → confirm → done
Conversion driver
SEO, page speed, UX polish
Schema quality, tool coverage
Competitive moat
Better website than competitors
Better tools — or zero agent sales
Early Mover Context
WebMCP is live in Chrome today. Most Shopify stores have not added it yet. Early adopters of new commerce channels have historically benefited -- similar to how mobile-optimized stores gained an edge when smartphone shopping first emerged.
Agent Session LogsFrom Request to Checkout
From Request to Checkout
in Structured Tool Calls
Hypothetical agent interactions on a WebMCP-enabled Shopify store. Tools would be auto-generated from your product data.
SEARCHProduct Discovery
readOnlyHint: true> "Find waterproof hiking boots under $150, size 11"
CALL search_products
query: "hiking boots"
maxPrice: 150
size: "11"
features: ["waterproof"]
inStock: true
← 3 products returned (0.8s)
✓ Merrell Moab 3 WP · $134.99 · ★ 4.7
Uses navigator.modelContext.registerTool() with a JSON Schema that maps directly to your Shopify Storefront API product query. Filters are auto-generated from your product metafields, tags, and variant options.
CARTCart Management
idempotentHint: true> "Add the Merrell Moab 3 in brown, size 11"
CALL add_to_cart
productId: "merrell-moab-3-wp"
variant: { color: "brown", size: "11" }
quantity: 1
← Item added to cart
✓ Cart total: $134.99 (1 item)
Variant resolution uses your Shopify variant IDs. The tool's inputSchema includes enum values auto-populated from your active variants, so agents never request out-of-stock combinations.
CHECKOUTSecure Checkout
destructiveHint: true> "I want to buy these"
CALL initiate_checkout
cartId: "current"
shippingMethod: "standard"
⚠ requestUserInteraction() triggered
⚠ Awaiting customer confirmation...
← Customer confirmed
✓ Order #4821 · $134.99 · Ships 3-5 days
Checkout ALWAYS triggers requestUserInteraction() from the WebMCP spec. The agent CANNOT complete a purchase without explicit customer confirmation. Annotated with destructiveHint: true and openWorldHint: true.
TRACKOrder Tracking
readOnlyHint: true> "Where's my order from last week?"
CALL track_order
orderNumber: "4821"
← Tracking data returned
✓ FedEx · In transit · ETA Feb 14, 2026
Uses Shopify's Order API. Tool is annotated with readOnlyHint: true (no state modification). Requires either an order number or customer email for security.
PROMODiscount Discovery
readOnlyHint: true> "Any discounts on hiking gear?"
CALL check_promotions
category: "hiking"
← Found: "TRAILREADY" — 20% off boots
CALL apply_discount
code: "TRAILREADY"
✓ Applied · New total: $107.99 (saved $27)
Active discount codes and automatic discounts are exposed as queryable tools. Agents can find applicable promotions and apply them at checkout — like a knowledgeable store associate.
All tools auto-generated from your Shopify Storefront API · No manual configuration · Updates within 5 minutes of catalog changes
Deployment Sequence
How It Works
Three steps. No developers required. Your store becomes agent-ready in under 5 minutes.
STEP 01~30 seconds
Install
One-click install from the Shopify App Store. No code changes, no theme editing, no developer needed.
STEP 02~2 minutes
Detect
WebMCP scans your store and auto-generates WebMCP tools from your products, collections, checkout flow, and policies.
STEP 03Instant
Activate
Your store is now agent-ready. AI assistants using Chrome, Edge, or any WebMCP-compatible browser can shop your store.
Behind the Scenes
✓Scans your Shopify Storefront API for products, collections, variants, and metafields
✓Maps your checkout flow into safe, consent-gated WebMCP tools
✓Generates JSON Schema definitions for every tool parameter
✓Adds readOnlyHint, destructiveHint, and openWorldHint annotations per the WebMCP spec
✓Injects a <10KB script tag that registers tools via navigator.modelContext
✓Monitors for product changes and auto-updates tool schemas within 5 minutes
Boundaries
✗We don't modify your theme files or Liquid templates
✗We don't access customer personal data or payment information
✗We don't slow down your storefront — the script loads async, deferred
✗We don't interfere with your existing SEO or analytics
Architecture Layers
Browser LayerChrome 146+ / Edge with WebMCP support
navigator.modelContext APIregisterTool() / unregisterTool()requestUserInteraction()
WebMCP SDK<10KB async script loaded on your storefront
Auto-generated tool schemasShopify Storefront API bridgeConsent & security layer
Shopify API LayerYour existing Storefront & Admin APIs
Product queries (read-only)Cart management (AJAX API)Checkout initiation (consent-gated)
Generated Code Example
webmcp-tools.js
// What WebMCP generates for your storenavigator.modelContext.registerTool({ name: "search_products", description: "Search the product catalog by keyword, filters, and price", inputSchema: { type: "object", properties: { query: { type: "string", description: "Search terms" }, maxPrice: { type: "number", description: "Maximum price in USD" }, category: { type: "string", enum: ["shoes","apparel","accessories"] }, inStock: { type: "boolean", default: true } }, required: ["query"] }, annotations: { readOnlyHint: true, openWorldHint: false }, handler: async (params) => { // Calls your Storefront API — no scraping const results = await shopifyStorefront.searchProducts(params); return { products: results, count: results.length }; }});Diagnostic Report
Agent Readiness Score
How prepared is your store for the AI agent economy? WebMCP Professional stores score 78+ out of 100.
Score Analysis
WebMCP Professional Tier0/ 100
DISC
Product Discovery18/20
Products, variants, images, and metafields exposed as searchable tools
CART
Cart & Checkout16/20
Add-to-cart, variant selection, and consent-gated checkout tools
SCHM
Schema Quality15/20
JSON Schema completeness, enum values, and parameter descriptions
SEC
Security Annotations17/20
readOnlyHint, destructiveHint, and openWorldHint properly set
PERF
Performance & UX12/20
Script load time, response latency, and error handling quality
Industry Benchmarks
#5No WebMCP
0
#4Manual Implementation
35
#3WebMCP Starter
62
#2WebMCP Professional
78
#1WebMCP Plus
94
Embeddable Certification Badge
Agent Ready78/100
Agent Commerce Analytics
A New Commerce Channel to Measure
A Shopify store with WebMCP could track agent-driven commerce alongside existing channels. Here is what that dashboard could look like.
Illustrative mockup -- not real store data
yourstore.myshopify.com/admin/apps/webmcp
Agent Commerce Dashboard
Hypothetical view · Illustrative metrics
PREVIEW
Agent-Driven Revenue
Track revenue from orders initiated through AI agent interactions
New sales channel
Agent Orders
Count of completed purchases where an AI agent assisted the customer
Per-month tracking
Avg. Agent Order Value
Compare agent-assisted order values against your baseline
AOV comparison
Agent Conversion Rate
Measure how often agent-assisted sessions result in a purchase
Conversion tracking
Tools Served
Number of times AI agents call your store's WebMCP tools
Daily volume
Agent Readiness Score
Composite score measuring how well your store serves AI agents
Score out of 100
Product Insights (Hypothetical)
Product category insightsSee which product types agents search for most
Variant preferencesUnderstand which sizes, colors, and options agents request
Price range analysisTrack the price ranges agents filter by
Stock availability impactMeasure how out-of-stock items affect agent sessions
Agent Query Insights (Hypothetical)
Natural language product searchesSee how customers ask agents to find products
Filter-based queriesTrack which product attributes agents filter on most
Comparison requestsUnderstand when customers ask agents to compare items
Reorder patternsIdentify repeat purchase behavior through agents
Potential Insight
A store could surface patterns like common search queries, missing product filters, or sizing gaps -- turning agent data into merchandising decisions.
What You Could Track
Agent-driven revenue, order volume, conversion rates, popular search queries, and product recommendations -- all as a distinct commerce channel in your Shopify admin.
Platform Capabilities
Built for Shopify, Powered by WebMCP
Purpose-built agent commerce tools. No generic solutions.
Auto-Generated Product Tools
Every product, variant, and collection automatically becomes a searchable, filterable tool for AI agents.
Storefront API + JSON SchemaConsent-Gated Checkout
Agents can initiate checkout but MUST get explicit customer confirmation. Zero unauthorized purchases.
requestUserInteraction() + destructiveHintReal-Time Inventory Sync
Stock levels, prices, and variant availability update within 5 minutes. Agents never recommend out-of-stock items.
Shopify Webhooks + Admin APISmart Discount Discovery
Agents can find and apply active discount codes — like a knowledgeable store associate for every customer.
Discount Functions API + Price RulesAgent Analytics Dashboard
See exactly which products agents recommend, what queries they handle, and how much revenue they drive.
WebMCP Analytics EngineMulti-Language Tool Labels
Tool descriptions auto-generate in your store's supported languages so agents serve international customers.
Shopify Markets + i18n APITheme Compatibility
Works with every Shopify theme — Dawn, Debut, custom themes, headless Hydrogen stores. No conflicts.
Script Tag API + async loadingZero Performance Impact
Async, deferred script under 10KB. No layout shifts, no render blocking. Your Lighthouse score stays pristine.
async/defer + dynamic importHow It Will Work
Up and Running in 5 Minutes
No developers. No code changes. No theme modifications.
01
30 seconds
Install from the Shopify App Store
You'll click "Add app" → authorize the standard Shopify permissions → done. WebMCP will request only the permissions it needs: read products, read orders (for tracking), and write script tags.
No credit card required. Free tier will include full product search tools.
02
~2 minutes
Automatic Store Scan
WebMCP will read your product catalog, collections, policies, and checkout configuration. It will generate optimized WebMCP tool schemas for every discoverable entity in your store.
Scans products, variants, metafields, collections, discount rules, and shipping zones.
03
Instant
Script Tag Injection
A single <10KB async script tag will be added to your storefront via Shopify's Script Tag API. No theme editing required. The script will load after your page content — zero impact on page speed.
Deferred loading means your LCP, CLS, and FID scores will be unaffected.
04
Instant
Your Store Will Be Agent-Ready
When a customer's AI assistant visits your store in Chrome 146+ or Edge, it will discover your tools via navigator.modelContext and can immediately start helping the customer shop.
You'll be able to monitor agent interactions in real-time from your WebMCP dashboard.
Be among the first when we launch
Free tier planned · Uninstall anytime · Full cleanup in 24h
Launch Pricing
Simple Pricing. Serious ROI.
Join the waitlist now to lock in launch pricing when we go live.
Starter
"I want to see what agent commerce looks like."
Free
- Product search tools (up to 100 products)
- Basic cart management
- Agent Readiness Score
- Community support
- WebMCP branding on tools
Most Popular
Professional
"I want every agent sale possible."
$39/mo
- Unlimited products & variants
- Full checkout tools (consent-gated)
- Discount & promotion discovery
- Order tracking tools
- Real-time analytics dashboard
- Priority tool generation
- Multi-language support
- Remove WebMCP branding
- Email support (24h response)
Shopify Plus
"We need advanced agent commerce tooling."
Custom
- Everything in Professional
- Custom tool definitions
- Hydrogen/headless support
- Multi-store management
- Advanced analytics & exports
- Custom integrations
- Dedicated account manager
- SLA & uptime guarantee
- Onboarding & training
ROI Calculator
Hypothetical projection based on your store metrics.
Illustrative only -- actual results will vary based on agent adoption and market conditions
15,000
$120
5%
Adjust to model different adoption scenarios
Agent Visitors
750
Agent Orders
60/mo
Monthly Revenue
$7,200
Projected
Hypothetical
Developer & Agency
For Developers & Agencies
Full API access, React SDK for Hydrogen, and a partner program built for scale.
app.tsx — Hydrogen Integration
// Hydrogen / React SDK integrationimport { WebMCP } from '@webmcp/hydrogen';import { heading } from "@/lib/typography"; export function App() { return ( <WebMCP storeId="your-store-id" tools={['search', 'cart', 'checkout']} consent={{ checkout: 'explicit' }} > <YourShopifyApp /> </WebMCP> );}REST API Endpoints
GET
/api/v1/tools
List all generated WebMCP tools for your store
GET
/api/v1/score
Get current Agent Readiness Score and breakdown
POST
/api/v1/tools/custom
Register a custom WebMCP tool definition
GET
/api/v1/analytics/events
Retrieve agent interaction events and metrics
PATCH
/api/v1/config
Update tool configuration and consent settings
Agency Partner Program
Build agent commerce into your client offerings
- White-label dashboard for your clients
- Bulk store management — deploy to 50+ stores from one account
- Revenue share on referred Professional subscriptions
- Early access to new features and beta programs
- Co-marketing opportunities and case study support
- Dedicated partner Slack channel with our engineering team
Trust & Compliance
Security & Trust
Your store security is non-negotiable. Here's how we protect your business and your customers.
Security Pillars
Customer Consent Required
Checkout and purchases always require explicit customer confirmation via WebMCP's requestUserInteraction(). Zero unauthorized purchases.
No Customer Data Access
WebMCP never accesses customer PII, payment data, or browsing history. Tools operate on product and catalog data only.
Read-Only by Default
All tools are annotated with readOnlyHint: true unless they modify state. Cart and checkout tools are clearly marked as write operations.
Minimal Permissions
We request only three Shopify scopes: read_products, read_orders, and write_script_tags. Nothing more. Audit anytime.
SOC 2 Type II Compliant
WebMCP infrastructure is SOC 2 Type II audited. All data encrypted at rest (AES-256) and in transit (TLS 1.3).
Instant Uninstall
Remove WebMCP from your Shopify admin at any time. All script tags, tools, and data are deleted automatically within 24 hours.
Data Flow
Customer's AI AgentChrome Browser (WebMCP)WebMCP SDKShopify APIs
All data stays between the customer's browser and your Shopify store. WebMCP never proxies or stores transaction data.
✓SOC 2 Type II
✓GDPR Compliant
✓CCPA Compliant
✓TLS 1.3
✓AES-256
FAQ
Frequently Asked Questions
Everything merchants, developers, and agencies ask about WebMCP for Shopify.
WebMCP (Model Context Protocol) is a new browser standard backed by Google and Microsoft that allows AI assistants to interact with websites through structured tools. When a customer asks their AI assistant to shop for them, WebMCP is how the agent will communicate with your store. Without it, agents won't be able to reliably browse, search, or buy from your site.
WebMCP will be a Shopify app that automatically generates WebMCP tools for your store. Instead of manually coding complex tool schemas, WebMCP will scan your products, collections, and checkout flow and create optimized WebMCP tools that AI agents can use to help customers shop your store.
WebMCP launched in Chrome 146 (February 9, 2026) and Microsoft Edge has confirmed support. As the protocol is adopted by more browsers and AI assistants, stores with WebMCP tools will be ready to capture agent-driven commerce from day one.
No. WebMCP is designed for non-technical merchants. You'll be able to install it from the Shopify App Store, authorize permissions, and your tools will be generated automatically. No code changes, no theme editing, no developer required.
WebMCP ProtocolComing Soon
AI Agents Will Be Shopping Soon
Agent-driven commerce is on the horizon. Join the waitlist to get early access to WebMCP for Shopify when it launches.
Every Shopify theme|No credit card|Easy setup at launch|Uninstall anytime|SOC 2 compliant