Sugar MCP Server

What the code does

We read the source, 4 d ago · rules 995398eba69f

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

            result = subprocess.run(

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

      const proc = spawn(command, args, {

            result = subprocess.run(

                    shell=True,

        self._log_file_path = os.path.join(log_dir, f"{self.task_id}.md")

RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add sugar -- uvx sugarai

{
  "mcpServers": {
    "sugar": {
      "command": "uvx",
      "args": [
        "sugarai"
      ]
    }
  }
}

[mcp_servers.sugar]
command = "uvx"
args = ["sugarai"]

{
  "mcpServers": {
    "sugar": {
      "command": "uvx",
      "args": [
        "sugarai"
      ]
    }
  }
}

{
  "servers": {
    "sugar": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "sugarai"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: ANTHROPIC_API_KEY (Anthropic API key for Claude model access), GITHUB_TOKEN (GitHub token for repository access), SUGAR_DEFAULT_REPO (Default repository in owner/repo format).