ThinkPLC-MCP

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Interface with SIEMENS PLC S7-1500/1200 using their JSON-RPC 2.0 API, exposing PLC functionalities as MCP tools for programmatic interaction.

github ↗

Install

How to run this server

[ { "cmd": "npm install -g @modelcontextprotocol/tools", "imports": [] } ]

server path: thinkplc-mcp

Tools

What this server exposes

User authentication via login

logout

User authentication via logout

ChangePassword-user

Change password for a user

ping

Check PLC connectivity

Api-GetPermissions

Retrieve user permissions after login

Api-Version

Get API version

Api-Browse

List available API methods

Api-GetQuantityStructures

Retrieve structure information

Api-GetPasswordPolicy

Get password security policies

PlcProgram-Browse

Browse tags and metadata

PlcProgram-Read

Read single variables

PlcProgram-Write-*

Write Boolean, Number, or String tags

Plc-ReadOperatingMode

Read the current CPU operating mode

Plc-RequestChangeOperatingMode

Request a change of operating mode

Plc-ReadSystemTime

Read the CPU system time

Plc-SetSystemTime

Set the CPU system time

Project-ReadLanguages

Read available project languages

Alarms-Browse

Browse active alarms

Alarms-Acknowledge

Acknowledge alarms

DiagnosticBuffer-Browse

Browse diagnostic buffer entries

Configuration

Environment & auth

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Resources

githubhttps://github.com/mrwan84/ThinkPLC-MCP ↗