Don’t ask which model is strongest first. Ask what it’s plugged into.
MCP — Model Context Protocol — is like USB-C for AI: an open protocol so apps connect tools, data, and developer environments the same way, instead of writing custom glue for every tool.
Three roles, in plain language
- Host — the agent or IDE you use
- Client — sits in the middle and passes messages
- Server — one peripheral (browser, files, APIs) as its own small service
A practical plug: Chrome DevTools MCP
A coding agent can control and inspect live Chrome: read the DOM, take screenshots, check the console and network, and run debugging-related checks.
Connecting the Chrome you already use on your machine usually means enabling remote-debugging related capabilities and approving an authorization prompt. That is not a zero-friction magic trick. Follow current Chrome and MCP documentation.
A small checklist
- Add
chrome-devtools-mcpinside an MCP-capable agent - Start the service as the docs describe
- If you need your everyday local browser session, confirm remote debugging and the auth steps on the official pages
Learn the plug before you pile up a plugin list. Official docs change. Don’t treat any “top 10 MCP” ranking as permanent truth.
Plug peripherals into the agent, and empty chat becomes real work.
Sources: https://modelcontextprotocol.io/ · Chrome DevTools for agents docs · https://github.com/ChromeDevTools/chrome-devtools-mcp
Also on X: https://x.com/bb833dong/article/2100938857252520430