Modbus MCP Server vs kubefwd

A side-by-side comparison of two DevOps & Cloud servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Modbus MCP Server Connect AI agents to industrial IoT: read and write Modbus registers and coils over TCP, UDP, or serial. Unverified stdio (local) No auth Stale Python	kubefwd Bulk Kubernetes port forwarding with an MCP server that lets AI assistants forward services, inspect pods, and monitor traffic. Unverified stdio (local) No auth Go
Category	DevOps & Cloud	DevOps & Cloud
Language	Python	Go
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	25	4.1k
Last commit	1 year ago	9 days ago
Verified
Actively maintained
Install	`git clone https://github.com/kukapay/modbus-mcp.git && cd modbus-mcp && uv sync`	`brew install kubefwd`
Repo	Open	Open

Verdict

Pick Modbus MCP Server if you prefer its approach (connect ai agents to industrial iot: read and write modbus registers and coils over tcp, udp, or serial).

Pick kubefwd if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Add Modbus MCP Server

Install / run

git clone https://github.com/kukapay/modbus-mcp.git && cd modbus-mcp && uv sync

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "modbus-mcp-server": {
      "command": "uv",
      "args": [
        "--directory",
        "/path/to/modbus-mcp",
        "run",
        "modbus-mcp"
      ],
      "env": {
        "MODBUS_TYPE": "tcp",
        "MODBUS_HOST": "127.0.0.1",
        "MODBUS_PORT": "502"
      }
    }
  }
}

Add kubefwd

Install / run

brew install kubefwd

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "kubefwd": {
      "command": "kubefwd",
      "args": [
        "mcp"
      ]
    }
  }
}

FAQ

Modbus MCP Server or kubefwd — which is better?

Pick Modbus MCP Server if you prefer its approach (connect ai agents to industrial iot: read and write modbus registers and coils over tcp, udp, or serial). Pick kubefwd if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Can I use both Modbus MCP Server and kubefwd?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Modbus MCP Server and kubefwd work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Modbus MCP Server →View kubefwd →More comparisons →