mcpField
F

festo-codesys-mcp

Local
@efranceschettiDeveloper Tools

About festo-codesys-mcp

MCP server for Festo/CODESYS PLCs: IEC 61131-3 ST + validated PLCopen XML generation.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config
{
  "mcpServers": {
    "efranceschetti-festo-codesys": {
      "command": "npx",
      "args": [
        "-y",
        "festo-codesys-mcp"
      ],
      "env": {
        "FESTO_MCP_CODESYS_PATH": "<FESTO_MCP_CODESYS_PATH>",
        "FESTO_MCP_CODESYS_PROFILE": "<FESTO_MCP_CODESYS_PROFILE>",
        "FESTO_MCP_PYTHON": "<FESTO_MCP_PYTHON>",
        "FESTO_MCP_ENABLE_HARDWARE": "<FESTO_MCP_ENABLE_HARDWARE>",
        "FESTO_MCP_ALLOW_OUTSIDE_WORKSPACE": "<FESTO_MCP_ALLOW_OUTSIDE_WORKSPACE>"
      }
    }
  }
}
Run commandnpx -y festo-codesys-mcp
Environment variables to set
FESTO_MCP_CODESYS_PATHOptional. Absolute path to CODESYS.exe — enables the 12 ide_* tools that drive a live CODESYS V3.5 instance (Windows only).
FESTO_MCP_CODESYS_PROFILERequired when using the ide_* tools. CODESYS profile name exactly as shown in the CODESYS version selector.
FESTO_MCP_PYTHONOptional. Python interpreter for the XSD/semantic validators and hardware tools (needs lxml).
FESTO_MCP_ENABLE_HARDWAREOptional. Set to 1 to enable the cpx_*/edcon_* hardware commissioning tools (bench use only).
FESTO_MCP_ALLOW_OUTSIDE_WORKSPACEOptional. Set to 1 to allow file-writing tools to write outside the workspace directory.

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages
npmfesto-codesys-mcp1.0.1

Tools

18

Saved tool list · updated 2w ago

ParameterTypeRequiredDescription
namestringYesFB name (e.g., FB_ServoAxis or just ServoAxis)
stCodestringYesStructured Text body (the logic)
inOutVarsarrayNo
inputVarsarrayNo
localVarsarrayNo
outputDirstringNoOutput directory (default: cwd)
outputVarsarrayNo
descriptionstringYesWhat this FB does (English)

Details

The maintainer has not added details yet. Check the README in the repository.

Comments

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