Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| MCP_PORT | No | The port on which the MCP server will listen. | 3000 |
| GRAPHQL_PWD | No | Password for the service account. | |
| GRAPHQL_URL | Yes | The full URL of your WinCC Unified GraphQL server. Example: https://your-wincc-server.example.com/graphql | |
| GRAPHQL_USR | No | Username for a service account. If provided along with GRAPHQL_PWD, the server will attempt to log in with these credentials on startup and periodically to maintain a session. | |
| NODE_TLS_REJECT_UNAUTHORIZED | No | Set to 0 to disable TLS certificate validation (development only). Warning: Should only be done in trusted development or internal network environments. | 0 |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |