How to install Junior Hex in Windsurf

To install Junior Hex in Windsurf, paste the "junior-hex" block into ~/.codeium/windsurf/mcp_config.json and refresh the MCP panel in Cascade.

Built from the published package · server updated 2 days ago

1
Open the MCP config
In Windsurf, open Settings, then Cascade, then MCP servers, and choose to view the raw config.

Add the server

Paste this into mcp_config.json:

{
  "mcpServers": {
    "junior-hex": {
      "command": "npx",
      "args": [
        "-y",
        "@sentry/junior-hex"
      ]
    }
  }
}

3
Refresh
Click refresh in the MCP panel. The server and its tools appear in Cascade.

Config file: ~/.codeium/windsurf/mcp_config.json

MCP servers run with your permissions. If Junior Hex needs an API key, add it under env in the config. Check its README.

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Does Junior Hex work in Windsurf?

Yes. Windsurf supports local and remote mcp servers, and Junior Hex installs with the steps above.

Junior Hex does not show up in Windsurf. What now?

Restart Windsurf fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Junior Hex safe?

It scores 83 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.