MCP Directory

kubefwd vs Modbus MCP Server

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

 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
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
CategoryDevOps & CloudDevOps & Cloud
LanguageGoPython
Transportstdio (local)stdio (local)
AuthNoneNone
GitHub stars4.1k25
Last commit1 month ago1 year ago
Verified
Actively maintained
Installbrew install kubefwdgit clone https://github.com/kukapay/modbus-mcp.git && cd modbus-mcp && uv sync
RepoOpen Open

Verdict

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

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).

Add kubefwd

Install / run
brew install kubefwd

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

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

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"
      }
    }
  }
}

FAQ

kubefwd or Modbus MCP Server — which is better?

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

Can I use both kubefwd and Modbus MCP Server?

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

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