# mcp by webdriverio MCP Server

MCP server with WebdriverIO for browser and mobile app automation (iOS/Android via Appium)

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled mcp by webdriverio yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `@wdio/mcp` on npm. Runs locally.

## Reviewed GitHub reports

**7 GitHub reports passed Pod's relevance review.** This can include external user reports, maintainer-confirmed bugs, and concrete feature gaps. It is evidence to inspect, not a count of distinct defects. Showing 5.

### Most discussed

### Attach an existing session to MCP

There should be a way to attach the existing session to MCP. It seems start_new_session command alway start a new session.
attaching an existing session can help to run the test from script/command line i.e. WDIO test runner and then handover to AI assistance or agent.

[Read the thread](https://github.com/webdriverio/mcp/issues/31) · 2026-02-18 · closed · external user · 5 comments

### Feature Request: Native LambdaTest Support as a Cloud Provider

## Summary
 
Add native LambdaTest support to `wdio-mcp` as a cloud provider, following the same pattern as the existing BrowserStack integration. This would allow users to start mobile and browser sessions on LambdaTest real devices without exposing credentials through the AI agent context.
 
---
 
## Motivation
 
Currently, `wdio-mcp` supports BrowserStack as a cloud provider via:
 
```json
{
  "provider": "browserstack",
  "platform": "android"
}
```
 
The MCP server reads `BROWSERSTACK_USERN

[Read the thread](https://github.com/webdriverio/mcp/issues/104) · 2026-05-11 · closed · external user · 4 comments

### [Bug]: Sauce Labs provider discards user-supplied options and injects an empty tunnel name

## Environment

- Provider: Sauce Labs (`src/providers/cloud/saucelabs.provider.ts`)
- Affects: browser and mobile (native app / mobile browser) session capabilities

## Summary

The Sauce Labs provider's `buildCapabilities()` builds its own `sauce:options` object and assigns it to the resolved capabilities. Every other top-level user capability is merged via spread, but `sauce:options` is a nested object the provider also constructs, so it gets overwritten wholesale — any Sauce settings a calle

[Read the thread](https://github.com/webdriverio/mcp/issues/132) · 2026-07-20 · closed · outside contributor · 2 comments

### [bug] ]start_session hardcodes protocol: "http" — breaks HTTPS cloud providers (e.g. LambdaTest)

## Bug Report

### Description

`start_session` hardcodes `protocol: "http"` when building the Appium connection 
config in `server.js`. This breaks any cloud provider that uses HTTPS (port 443), 
such as LambdaTest's real device hub.

### Steps to Reproduce

1. Configure `.mcp.json` with LambdaTest credentials
2. Call `start_session` with raw capabilities pointing to LambdaTest:
   - `hostname: "mobile-hub.lambdatest.com"`
   - `port: 443`
   - `protocol: "https"`
3. Session fails — the protoco

[Read the thread](https://github.com/webdriverio/mcp/issues/86) · 2026-04-24 · closed · external user · 2 comments

### feat(start_browser): allow passing browser capabilities (extensions, user-data-dir, chrome args) + optional attach to existing Chrome

## Summary
I’m using the WebdriverIO MCP `start_browser` tool to automate end-to-end flows that require launching the browser with **custom capabilities**, especially **Chrome extensions** (any extension) and/or a **persistent profile**.

Right now, `start_browser` only exposes basic launch parameters (headless/window size/navigationUrl). There’s no way to pass WebDriver capabilities such as `goog:chromeOptions` (e.g. `--load-extension`, `--user-data-dir`, custom args / prefs).

**Concrete examp

[Read the thread](https://github.com/webdriverio/mcp/issues/29) · 2026-02-17 · closed · outside contributor · 2 comments

[See all 7 reports Pod holds for mcp by webdriverio](/mcp/mcp-by-webdriverio/issues).

## Firsthand observations

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