Bun Uia MCP Server

What the code does

We read the source, 19 h ago · rules 3dff92dd89df

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.

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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 bun-uia -- npx -y bun-uia

{
  "mcpServers": {
    "bun-uia": {
      "args": [
        "-y",
        "bun-uia"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.bun-uia]
command = "npx"
args = ["-y", "bun-uia"]

{
  "mcpServers": {
    "bun-uia": {
      "args": [
        "-y",
        "bun-uia"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "bun-uia": {
      "args": [
        "-y",
        "bun-uia"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: BUN_UIA_PROFILE (Capability profile: 'readonly' (inspect/read only), 'safe' (read + input + window — default), or 'full' (also os + fs tools).), BUN_UIA_OS (Set to '1' to allow OS-level tools (launch_app, run_program, open_path) AND filesystem tools (read_file, write_file, list_dir) regardless of profile.), BUN_UIA_ALLOW (Comma-separated tool names or categories to additionally allow on top of the profile.), BUN_UIA_DENY (Comma-separated tool names or categories to deny, overriding the profile and BUN_UIA_ALLOW.), BUN_UIA_CURSOR (Set to 'never' to forbid the real-cursor fallback entirely (strictly cursor-free). By default clicks/drags are cursor-free but fall back to the real hardware cursor when no cursor-free path exists.), BUN_UIA_FS_ROOT (Sandbox root directory that read_file/write_file/list_dir are confined to when fs tools are enabled.). The author declared them in the registry entry; get the values from the project itself.