# ThinkPLC-MCP

> Use this tool when you need to integrate AI-powered automation with industrial control systems, specifically SIEMENS PLC S7-1500/1200 controllers, to enable seamless interaction and data exchange. It solves problems related to automation, monitoring, and control by providing a JSON-RPC API interface for authentication, tag browsing, and variable management. Ideal for use cases requiring real-time data access and control of industrial equipment, such as manufacturing, process control, and automation applications.

Canonical page: https://skillsregistry.net/skills/mrwan84-thinkplc-mcp  
JSON: https://api.skillsregistry.net/v1/skills/mrwan84-thinkplc-mcp

## Description

Enables AI assistants to interact with SIEMENS PLC S7-1500/1200 controllers through their JSON-RPC API, supporting authentication, tag browsing, variable read/write operations, alarm management, and diagnostic buffer access.

## Trust

- **Trust score (0–1):** 0.91
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/dma12t46pm)
- **Repository:** <https://github.com/mrwan84/ThinkPLC-MCP>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "mrwan84-thinkplc-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/mrwan84-thinkplc-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/mrwan84-thinkplc-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt