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CODESYS MCP Server
MCP server for the CODESYS V3 industrial automation development environment that enables AI agents to generate, analyze, and optimize IEC 61131-3 PLC code via natural language. Exposes the CODESYS Scripting Engine so AI assistants can open projects, create program organization units (POUs), write Structured Text implementations, trigger compilation, and read back errors. Supports both cloud-hosted and local LLMs. Won first place in the Software and IT category for Product of the Year 2026 by Computer and Automation magazine. Compatible with Claude Desktop, Cursor, and other MCP clients.
MCP verified
Integration
| Transport | stdio |
| Auth | none |
| Endpoint | CODESYS MCP Server |
Use Cases
| 01 | Generate IEC 61131-3 PLC code from natural language descriptions through AI assistants that interact with the CODESYS development environment via MCP tools |
| 02 | Automate CODESYS project scaffolding and POU creation by letting AI agents open projects, write variable declarations, and trigger compilation with automatic error correction |
| 03 | Analyze and optimize existing PLC programs by connecting AI assistants to the CODESYS Scripting Engine for code review, syntax checking, and structural improvement suggestions |
Tags
industrial-automation plc iec-61131-3 structured-text codesys manufacturing scada engineering
Machine-readable: /api/servers.json
· JSON-LD schema embedded in <head>