Open sourceTypeScript · ≈54k stars · Apache-2.0
Chrome DevTools MCP
Chrome DevTools for coding agents
Chrome DevTools MCP gives coding agents access to Chrome DevTools via MCP. It is maintained by the ChromeDevTools team.
Pros & cons
Each point cites its sources and says what kind of evidence backs it. A second reviewer tried to refute every claim before it was kept.
Pros
- User reportsGives agents deep DevTools access, including performance traces, Lighthouse audits and detailed network requests, which users apply to front-end performance debugging.[1][2]
- User reportsUsers call it lighter than Playwright with a shorter loop, and run it for automated QA and overnight fuzz testing.[1][2][3]
- DocsAlso ships as a standalone CLI, which users welcome as a way around MCP's token cost.[1][2]
- MetadataApache-2.0, from the Chrome DevTools team, with frequent releases (v1.12.0, Oct 2026).[1]
Cons
- User reportsA user says it 'really clutters your context' compared with the Playwright CLI.[1]
- DocsThe README warns it exposes browser content to the MCP client. Users flag prompt-injection exfiltration risk in logged-in sessions.[1][2]
- DocsGoogle collects usage statistics separately from Chrome's own, and performance tools send trace URLs to the CrUX API unless you pass --no-performance-crux.[1]
- User reportsWhen qwen3-coder:30b drives it, a user reports hallucinated tool calls.[1]
- Best for
- Front-end debugging, performance profiling and browser QA driven by a capable coding agent.
- Watch out for
- Use a separate browser profile without logged-in sessions, and opt out of usage statistics and CrUX lookups if needed.
Assessed Oct 29, 2026 · adversarially reviewedSuggest a correction
People
Engineer
Maintainer, Chrome DevTools MCP
MCP & tools
Engineer
Maintainer, Chrome DevTools MCP (Google)
MCP & tools
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Connections
Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.
Maintained by · 1
- ChromeDevToolsOrganisation
Built on · 1
- Model Context ProtocolProject
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Sources
Verified Oct 29, 2026
