Field-by-field comparison

Compare the evidence before choosing an MCP.

Each signal stays separate, missing facts remain visible, and the column order follows your selection.

MCPs in this comparison

mcp-agentChrome DevTools MCP

Uncheck an MCP to remove it. Comparing two or three keeps each signal in its own row.

Comparable alternatives

Azure MCP ServerMCP100 SelectedContext7 MCPMCP100 SelectedGrafana Cloud MCPMCP100 SelectedGoogle MCP Toolbox for DatabasesMCP100 SelectedExcel MCP ServerMCP100 SelectedPlaywright MCPMCP100 Selected

Shown only when capability or industry context overlaps.

Side-by-side MCP evidence comparison
Evidence field	mcp-agentWatchlist candidate	Chrome DevTools MCPMCP100 Selected
Task fit
Best for	Python teams building MCP-native multi-step agents or durable workflows.	Inspecting pages, console and network activity, automating browser actions, and collecting performance evidence in Chrome
Not ideal for	Users who need a broadly proven, low-risk, fully mature Selected-grade integration today.	API-only testing or browsers outside the project's documented Chrome support
Avoid when	Avoid high-impact or sensitive production use unless the documented authentication, permissions, rollback, and data handling match your environment.	The controlled browser contains personal accounts, secrets, or sessions that the MCP client must not inspect or modify
Provenance
Provenance details	First-party MCP github:lastmile-ai · Publisher source ↗	Community implementation io.github.ChromeDevTools · Publisher source ↗
Maintenance
Maintenance details	Stale Repo: Not documented Package: Not documented	Repo: Aug 14, 2026 Package: Aug 10, 2026
Popularity evidence
GitHub stars	Not documented	49,168 GitHub stars · checked 2026-08-14T18:46:26.000Z
Package downloads / 30 days	No reliable download data	7,541,930 package downloads / 30 days · checked 2026-08-14T18:46:26.000Z
External adoption evidence	Not documented	npm: package downloads: 7,541,930Exact attributable signal.npm: package downloads · Rolling 30 days · checked 2026-08-14T18:46:26.000ZEvidence source ↗
Client coverage
Client coverage details	Not documented	Claude Code✓ Local stdio Claude Desktop✓ Local stdio Codex✓ Local stdio VS Code✓ Local stdio Cursor✓ Local stdio OpenCode✓ Local stdio
Client coverage note	Local stdio runs on your computer. Streamable HTTP connects to a remotely hosted MCP server.
Access and data
Authentication	Depends on configured MCP servers and LLM/cloud providers; the framework documents configuration/secrets and OAuth support.	No server authentication is documented for local stdio. Running-browser connections support optional WebSocket headers; an open remote-debugging port lets local applications control Chrome.
Cost	Open-source framework; model providers, Temporal/cloud deployment and connected services may be billable.	The open-source npm package lists no MCP fee. Chrome, Node.js, client, model, and external-service costs are separate.
Permissions	Inherits the tool/resource authority of every connected MCP server plus any workflow/cloud runtime permissions.	Inspects, debugs, automates, and modifies browser state through navigation, input, script evaluation, screenshots, uploads, extensions, memory, performance, and PWA tools.
Data handling	Workflow data can pass through connected MCP servers, model providers and optional cloud/Temporal services; deployment-specific policies control retention.	Browser content is exposed to the connected client. Performance tools send trace URLs to Google CrUX by default, and usage statistics with invocation success, latency, and environment data are enabled by default; broader retention is not documented.
Limitations
Tradeoffs	Broad authority across multiple MCP servers/providers makes permission and production-governance evidence important before Selected promotion.	Deep DevTools access improves debugging, but exposes browser content and state; usage statistics and CrUX URL lookups are enabled by default unless disabled.
Risk context	Broad authority across multiple MCP servers/providers makes permission and production-governance evidence important before Selected promotion.	Can expose sensitive browser sessions and execute arbitrary browser actions or scripts. Use isolated profiles, URL allow/block patterns, restricted file paths, and do not expose remote-debugging ports.
Evidence date
Editorial review	2026-09-13T00:00:00Z	2026-08-11
Candidate evidence	2026-09-13T00:00:00Z	2026-08-14T18:46:26.000Z

Popularity, maintenance, fit, permissions, and client support are independent evidence fields.

Read the evidence method →