Mdbus FAQs

Question 1

Which MCP transport protocols are supported by Mdbus?

Accepted Answer

Mdbus supports multiple MCP transports, including `stdio`, Server-Sent Events (SSE), and Streamable HTTP, offering flexible integration options for various LLM environments, such as Claude Desktop.

Question 2

How does Mdbus facilitate LLM interaction with PLCs?

Accepted Answer

It acts as an MCP server, translating Modbus operations into discoverable LLM tools (e.g., `read-holding-registers`, `write-coils`) that LLMs can invoke to interact directly with physical PLC hardware logic and data.

Question 3

What is Mdbus?

Accepted Answer

Mdbus is a lightweight, high-performance Model Context Protocol (MCP) server that connects Modbus TCP devices to Large Language Models (LLMs), exposing physical PLC hardware logic, registers, and coils as native LLM tools.

Question 4

What types of Modbus operations does Mdbus support?

Accepted Answer

Mdbus exposes tools for reading and writing `uint16` values from holding registers and `boolean` flags from coils, enabling LLMs to perform essential data manipulation and control over Modbus TCP devices.

Question 5

Is Mdbus reliable and container-friendly?

Accepted Answer

Yes, Mdbus is built on the official MCP Go SDK and features a resilient Modbus dialer with safe reconnects and recovery from idle timeouts. It's also container-ready with health checks and a multi-stage Docker build process.

Mdbus

Mdbus

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