Head to head
Stop guessing which one. Put them side by side.
Up to 4 tools, same rows for each: what it is, what it really costs, the trap, and how to wire it up. The URL carries your picks — send it to anyone.
Browserbase MCP (Stagehand)Chrome DevTools MCPCline MCP Marketplace
Quick read
- Free with no card: Chrome DevTools MCP, Cline MCP Marketplace.
| Field | Browserbase MCP (Stagehand)docs.browserbase.com | Chrome DevTools MCPgithub.com | Cline MCP Marketplacegithub.com |
|---|---|---|---|
| What it is | Browserbase's official server, hosted at https://mcp.browserbase.com/mcp or self-run via npx @browserbasehq/mcp. Built on Stagehand, it exposes six tools — start, end, navigate, act, observe and extract — driving a cloud browser through plain-English instructions instead of CSS selectors. | Maintained by Google's Chrome DevTools team. It lets a coding agent control and inspect a live Chrome browser with full DevTools access: performance traces and insights, console messages with source-mapped stack traces, network request inspection, screenshots, DOM interaction, Lighthouse audits and memory debugging. | A curated marketplace built into the Cline VS Code extension. Authors submit a server via GitHub issue with a repo URL and logo; reviewers weigh community adoption, developer credibility, project maturity and security, usually within a couple of days. On install, Cline handles setup and configuration autonomously. |
| Category | MCP servers & registries | MCP servers & registries | MCP servers & registries |
| Cost tier | mixed | free | free |
| Pricing | Free 1 browser hour · Developer $20/mo (100 hrs) · Startup $99/mo | Free, open source | Free |
| Why builders pick it | Natural-language actions survive layout changes that shatter selector-based scripts, and the browser runs in Browserbase's cloud rather than hijacking your desktop. Good for logged-in flows and sites hostile to headless browsers. | Closes the loop where the agent writes frontend code but cannot see the result. It reads the real console error and the real network waterfall instead of asking you to paste a screenshot. | Removes the config-file step entirely — pick a server in the sidebar and the agent installs and wires it up. The human review gate makes it far safer than pulling from a 70,000-entry index. |
| Watch out for | Metered in browser hours: the free plan gives one hour total with 15-minute session caps. Self-hosted mode also wants a GEMINI_API_KEY for the Stagehand model, an extra cost. | If you attach it to an existing Chrome instance it drives your real profile and logged-in sessions — never point it at anything sensitive. Performance traces return very large payloads. | Only useful if you already use Cline, and the curated list is a tiny fraction of what Smithery or Glama index. |
| How to wire it up | claude mcp add --transport http browserbase https://mcp.browserbase.com/mcp | claude mcp add chrome-devtools --scope user npx chrome-devtools-mcp@latest | not logged |
| Editor's pick | No | No | No |
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# Tool comparison — Browserbase MCP (Stagehand) vs Chrome DevTools MCP vs Cline MCP Marketplace Source: Kbaise, a directory of tools that work with Lovable projects. Pick one and tell me why before writing any integration code. ## Browserbase MCP (Stagehand) (browserbase-mcp) - URL: https://docs.browserbase.com/integrations/mcp/introduction - Category: MCP servers & registries - Cost: mixed — Free 1 browser hour · Developer $20/mo (100 hrs) · Startup $99/mo - What it is: Browserbase's official server, hosted at https://mcp.browserbase.com/mcp or self-run via npx @browserbasehq/mcp. Built on Stagehand, it exposes six tools — start, end, navigate, act, observe and extract — driving a cloud browser through plain-English instructions instead of CSS selectors. - Why builders pick it: Natural-language actions survive layout changes that shatter selector-based scripts, and the browser runs in Browserbase's cloud rather than hijacking your desktop. Good for logged-in flows and sites hostile to headless browsers. - Trap: Metered in browser hours: the free plan gives one hour total with 15-minute session caps. Self-hosted mode also wants a GEMINI_API_KEY for the Stagehand model, an extra cost. - Wiring: claude mcp add --transport http browserbase https://mcp.browserbase.com/mcp - Full dossier: /api/public/tools/browserbase-mcp ## Chrome DevTools MCP (chrome-devtools-mcp) - URL: https://github.com/ChromeDevTools/chrome-devtools-mcp - Category: MCP servers & registries - Cost: free — Free, open source - What it is: Maintained by Google's Chrome DevTools team. It lets a coding agent control and inspect a live Chrome browser with full DevTools access: performance traces and insights, console messages with source-mapped stack traces, network request inspection, screenshots, DOM interaction, Lighthouse audits and memory debugging. - Why builders pick it: Closes the loop where the agent writes frontend code but cannot see the result. It reads the real console error and the real network waterfall instead of asking you to paste a screenshot. - Trap: If you attach it to an existing Chrome instance it drives your real profile and logged-in sessions — never point it at anything sensitive. Performance traces return very large payloads. - Wiring: claude mcp add chrome-devtools --scope user npx chrome-devtools-mcp@latest - Full dossier: /api/public/tools/chrome-devtools-mcp ## Cline MCP Marketplace (cline-mcp-marketplace) - URL: https://github.com/cline/mcp-marketplace - Category: MCP servers & registries - Cost: free — Free - What it is: A curated marketplace built into the Cline VS Code extension. Authors submit a server via GitHub issue with a repo URL and logo; reviewers weigh community adoption, developer credibility, project maturity and security, usually within a couple of days. On install, Cline handles setup and configuration autonomously. - Why builders pick it: Removes the config-file step entirely — pick a server in the sidebar and the agent installs and wires it up. The human review gate makes it far safer than pulling from a 70,000-entry index. - Trap: Only useful if you already use Cline, and the curated list is a tiny fraction of what Smithery or Glama index. - Full dossier: /api/public/tools/cline-mcp-marketplace ## Quick read - Free with no card: Chrome DevTools MCP, Cline MCP Marketplace. ## Rules 1. Prefer the free tier when no budget was stated, and say what the ceiling is. 2. Read the full dossier before integrating. 3. Fetch /api/public/models before writing any AI model ID.
Agents can fetch the same thing: GET /api/public/compare?slugs=browserbase-mcp,chrome-devtools-mcp,cline-mcp-marketplace