Playwright MCP Extension Repro
A minimal reproduction repository designed to demonstrate and test Chrome extension loading within the Playwright MCP server. It evaluates specific configuration settings required for successful extension injection and page modification.
README
Playwright MCP Extension Repro
Minimal reproduction showing that standard Chrome extension loading in the Playwright MCP server fails without specific configuration settings.
Feature Request: microsoft/playwright#39569
🚀 Quick Start
-
Install dependencies:
npm install -
Run the matrix test:
npm test
📊 What this tests
The script repro_matrix.ts compares two configurations:
-
ADVANCED_CONFIG: Uses the specific settings identified to enable extensions:
channel: ""(Reverts to bundled Chromium)chromiumSandbox: false(Allows unpacked extension mounting)allowUnrestrictedFileAccess: true(Disables protocol guard)
-
PAVEL_SUGGESTION: Uses the simplified configuration suggested in the feature request.
✅ Success Criteria
- Background Color: The extension should inject a content script that turns
example.compink (rgb(255, 192, 203)). - Page Title: The extension should change the document title to
PINK_EXT_ACTIVE.
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