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Claude Code sessions conflict when running Chrome DevTools MCP; wrapper script resolves issue

By PulseAugur Editorial · [2 sources] ·

A technical guide addresses an issue where multiple instances of Claude Code, each running the Chrome DevTools MCP (Media Capture Protocol) tool, conflict with each other. The problem arises because Chrome only allows one instance to run with a specific user data directory, leading to errors when a second session attempts to start. The solution involves creating a custom wrapper script that assigns a unique user data directory to each Claude Code session, ensuring that cookies and login states are maintained across restarts while preventing conflicts. AI

IMPACT Provides a technical workaround for developers using AI coding assistants with browser automation tools.

RANK_REASON Technical guide on resolving a software conflict.

Read on Medium — MCP tag →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

Claude Code sessions conflict when running Chrome DevTools MCP; wrapper script resolves issue

How we ranked this

Signal score
23 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Technical guide on resolving a software conflict.
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2 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
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product, infra
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High
Clearly on-topic for AI-industry coverage.
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Breaking (< 6h)
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Full methodology in our editorial standards.

COVERAGE [2]

  1. Medium — MCP tag TIER_1 English(EN) · Dale Nguyen ·

    Running Chrome DevTools MCP in Multiple Claude Code Sessions

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://ai.plainenglish.io/running-chrome-devtools-mcp-in-multiple-claude-code-sessions-00dc98d474e6?source=rss------mcp-5"><img src="https://cdn-images-1.medium.com/max/1000/0*InuHQDnY_rGqA_o8.png" width="1000" …

  2. dev.to — MCP tag TIER_1 English(EN) · Dale Nguyen ·

    Running Chrome DevTools MCP in Multiple Claude Code Sessions

    <p>One Claude Code session driving a browser through <a href="https://github.com/ChromeDevTools/chrome-devtools-mcp" rel="noopener noreferrer">chrome-devtools-mcp</a> works fine. Open a second terminal in the same repo and it stops:<br /> </p> <div class="highlight js-code-highli…

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