Modbus MCP Server vs AWS API MCP Server

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	AWS API MCP Server Official AWS Labs server that lets agents call any AWS API via the AWS CLI surface. Verified stdio (local) API key Python
Category	DevOps & Cloud	DevOps & Cloud
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	None	API key
GitHub stars	25	9.3k
Last commit	1 year ago	17 days ago
Verified
Actively maintained
Install	`git clone https://github.com/kukapay/modbus-mcp.git && cd modbus-mcp && uv sync`	`uvx awslabs.aws-api-mcp-server@latest`
Repo	Open	Open

Verdict

Pick Modbus MCP Server if you want zero-setup with no API key, and you need the broadest set of tools.

Pick AWS API MCP Server 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 AWS API MCP Server

Install / run

uvx awslabs.aws-api-mcp-server@latest

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

{
  "mcpServers": {
    "aws-api-mcp-server": {
      "command": "uvx",
      "args": [
        "awslabs.aws-api-mcp-server@latest"
      ],
      "env": {
        "AWS_REGION": "us-east-1",
        "AWS_PROFILE": "<your-aws-profile>"
      }
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

Modbus MCP Server or AWS API MCP Server — which is better?

Pick Modbus MCP Server if you want zero-setup with no API key, and you need the broadest set of tools. Pick AWS API MCP Server 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 AWS API 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 Modbus MCP Server and AWS API MCP Server 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 AWS API MCP Server →More comparisons →