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# Customer.io: 3 WebMCP tools for AI agents

![](https://www.google.com/s2/favicons?domain=customer.io&sz=96)

Business software · customer.io

## Customer.io

Customer engagement platform for email, push, SMS and in-app. Agents can open key product pages, start a free trial or contact sales.

[Open customer.io](https://customer.io/)

## Ask an agent to

-   Open Customer.io's pricing page
-   Start a Customer.io free trial
-   Contact Customer.io sales to request a demo

## 3 tools

When we loaded customer.io again on Oct 24, 2026, it registered these through `navigator.modelContext` or `provideContext()`, from earlier WebMCP drafts. Chrome 154 only offers `document.modelContext`, so Chrome’s own agent support does not see them.

-   `contact_customerio_sales`
    
    Open Customer.io's contact page to talk to the sales team or request a demo.
    
-   `open_customerio_page`
    
    Navigate to a key Customer.io page — product overview, pricing, AI, (developer/agent-focused), features, integrations, customer stories, security, or documentation.
    
    page: string
    
-   `start_customerio_free_trial`
    
    Open Customer.io's standard free trial sign-up (14-day trial, no credit card required) — the human-facing web signup.
    

Tools

3

Registered with

JavaScript

Older API

navigator.modelContext

Tranco rank

#2,271

Scan finished

Oct 19, 2026

Tool names and descriptions are what customer.io/ registered when we loaded it in Chrome 154 on Browser Use Cloud. The summary and the “ask an agent” lines are AI-written from them. To call the tools yourself, see [Chrome’s WebMCP docs](https://developer.chrome.com/docs/ai/webmcp). [How we found it](https://browser-use.com/webmcp#method).

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