mcp-snap7
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| logging | {} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| extensions | {
"io.modelcontextprotocol/ui": {}
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| connect_plcC | Connect to a Siemens PLC. |
| disconnect_plcB | Disconnect from the connected PLC. Returns: Disconnection status message |
| get_connectedA | Check if PLC is connected. Returns: True if connected, False otherwise |
| db_readC | Read data block from PLC. |
| db_writeC | Write data block to PLC. |
| mb_readC | Read memory bytes from PLC. |
| mb_writeB | Write memory bytes to PLC. |
| tm_readC | Read timers from PLC. |
| tm_writeB | Write timers to PLC. |
| ct_readB | Read counters from PLC. |
| ct_writeC | Write counters to PLC. |
| eb_readC | Read edge inputs from PLC. |
| eb_writeB | Write edge inputs to PLC. |
| ab_readC | Read absolute bytes from PLC. |
| ab_writeC | Write absolute bytes to PLC. |
| get_cpu_infoA | Get CPU information from PLC. Returns: Dictionary containing CPU information |
| get_cpu_stateA | Get CPU state from PLC. Returns: CPU state string |
| get_protectionB | Get PLC protection level. Returns: Dictionary containing protection level info |
| plc_cold_startB | Trigger PLC cold start. Returns: Status message |
| plc_hot_startB | Trigger PLC hot start. Returns: Status message |
| plc_stopB | Stop PLC. Returns: Status message |
| get_error_textA | Get error description from error code. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| connection_status | Get current connection status. Returns: Connection status as JSON string |
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