Cline's model picker is showing Muse Spark 1.3 Contributor, DeepSeek V4.1 Flash, GLM-5.3-Flash, and Solar Pro 4 with a FREE tag.

I tested Muse Spark 1.3 Contributor. It was fast. Chrome MCP attached to the Chrome window I already had open, with my login session intact.

The FREE label in the picker says "Try with limited usage, separate from ClinePass quota." Cline documents these as rotating promotions with a usage cap. I did not add a card for this run.

Cline posted on September 9, 2026 that Muse Spark 1.3 Contributor is available for free in Cline.

Cline model picker with Muse Spark 1.3 Contributor, DeepSeek V4.1 Flash, and GLM-5.3-Flash tagged FREE

Chrome MCP config

The flag that matters is --autoConnect. Without it, chrome-devtools-mcp starts a fresh Chrome. With it, the MCP server attaches to the Stable Chrome you already have open.

In Cline, open Customize, then MCP. The settings file is .cline/data/settings/cline_mcp_settings.json in your home directory.

Cline Customize MCP screen with chrome-devtools installed using --autoConnect

This is the config I used:

{
  "mcpServers": {
    "chrome-devtools": {
      "transport": {
        "type": "stdio",
        "command": "npx",
        "args": [
          "-y",
          "chrome-devtools-mcp@latest",
          "--channel=stable",
          "--autoConnect"
        ]
      },
      "disabled": false,
      "autoApprove": []
    }
  }
}

Google's Chrome DevTools MCP docs say --autoConnect needs Chrome 144 or later. Enable remote debugging at chrome://inspect/#remote-debugging first. Chrome then asks you to Allow the debugging session.

The test

I selected Muse Spark 1.3 Contributor, then sent:

Use Chrome MCP to open https://x.com/hqmank in my existing Chrome browser.

It finished in 20 seconds with 3 tool calls. It listed open Chrome tabs, found my X profile already open as page 4, brought that tab to the front, and checked the snapshot against the live page.

Most coding agents can do the same attach with Chrome MCP. I had not tried Muse Spark before, so this was a first look at how it handles the loop.

Cline's free list can change. Check the picker before you plan a workflow around a specific model.

If you want another route that talks to a logged-in Chrome window, I covered a similar attach in Grok Build with native Browser Use. For GLM-5.3-Flash background, see Ox Alpha and GLM-5.3 Flash.

Sources