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WinCC Unified MCP XT

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An MCP server for interfacing with SIEMENS WinCC Unified SCADA systems via their GraphQL API.

Install
How to run this server
[ { "cmd": "npm install -g @modelcontextprotocol/tools", "imports": [] } ]
server path: wincc-unified-mcp-xt
Tools
What this server exposes
login-user
Logs in with username/password.
browse-objects
Browses configured SCADA elements.
get-tag-values
Retrieves live tag values.
get-logged-tag-values
Gets historical tag data.
get-active-alarms
Lists currently active alarms.
get-logged-alarms
Shows previously triggered alarms.
write-tag-values
Updates one or more tags.
acknowledge-alarms
Acknowledges alarms.
reset-alarms
Resets alarms.
Configuration
Environment & auth
authnone
Resources
WinCC Unified MCP XT — MCP Server · libregistry