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.
ComposioChrome DevTools MCPCline MCP Marketplace
Quick read
- Free with no card: Chrome DevTools MCP, Cline MCP Marketplace.
| Field | Composiocomposio.dev | Chrome DevTools MCPgithub.com | Cline MCP Marketplacegithub.com |
|---|---|---|---|
| What it is | An integration platform exposing 1,119+ toolkits and over 20,000 tools behind one managed MCP gateway endpoint. It owns the auth layer, running OAuth flows and storing per-user credentials so your agent never touches raw tokens. The free tier is hard-capped at 100K tool calls and 50K trigger events a month. | 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 100K tool calls/mo · Pro $29/mo · overage $0.0003 per call | Free, open source | Free |
| Why builders pick it | One endpoint replaces a dozen separate MCP servers and a dozen separate OAuth setups. Reach for it when an agent needs CRM, email and calendar together and you do not want to wire three token flows. | 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 | Every tool call is metered and a chatty agent burns the free 100K faster than you expect. Composio-managed app connections also cost $0.10 each on paid plans after the first 1,000. | 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 | not logged | claude mcp add chrome-devtools --scope user npx chrome-devtools-mcp@latest | not logged |
| Editor's pick | No | No | No |
Which one did you ship?
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# Tool comparison — Composio 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. ## Composio (composio) - URL: https://composio.dev - Category: MCP servers & registries - Cost: mixed — Free 100K tool calls/mo · Pro $29/mo · overage $0.0003 per call - What it is: An integration platform exposing 1,119+ toolkits and over 20,000 tools behind one managed MCP gateway endpoint. It owns the auth layer, running OAuth flows and storing per-user credentials so your agent never touches raw tokens. The free tier is hard-capped at 100K tool calls and 50K trigger events a month. - Why builders pick it: One endpoint replaces a dozen separate MCP servers and a dozen separate OAuth setups. Reach for it when an agent needs CRM, email and calendar together and you do not want to wire three token flows. - Trap: Every tool call is metered and a chatty agent burns the free 100K faster than you expect. Composio-managed app connections also cost $0.10 each on paid plans after the first 1,000. - Full dossier: /api/public/tools/composio ## 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=composio,chrome-devtools-mcp,cline-mcp-marketplace