mcp-snap7
MCP server for python-snap7, enabling MCP clients to interact with Siemens PLCs
Install
pip install mcp-snap7
Requirements
- python-snap7 requires the libsnap7 library to be installed on your system. See python-snap7 documentation for installation instructions.
Usage
As MCP Server
Configure your MCP client to use mcp-snap7 as a stdio server:
{
"mcpServers": {
"mcp-snap7": {
"command": "mcp-snap7"
}
}
}
Available Tools
connect_plc- Connect to a Siemens PLCdisconnect_plc- Disconnect from PLCget_connected- Check connection statusdb_read/db_write- Read/write data blocksmb_read/mb_write- Read/write memory bytestm_read/tm_write- Read/write timersct_read/ct_write- Read/write counterseb_read/eb_write- Read/write edge inputsab_read/ab_write- Read/write absolute bytesget_cpu_info- Get CPU informationget_cpu_state- Get CPU stateget_protection- Get PLC protection levelplc_cold_start- Trigger cold startplc_hot_start- Trigger hot startplc_stop- Stop PLCget_error_text- Get error description
Development
git clone https://github.com/daedalus/mcp-snap7.git
cd mcp-snap7
pip install -e ".[test]"
# run tests
pytest
# format
ruff format src/ tests/
# lint
ruff check src/ tests/
# type check
mypy src/
1 maintainer
Metadata
1 maintainer
Release files for mcp-snap7 0.1.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| mcp_snap7-0.1.0.tar.gz | 4.9 kB | With provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| mcp_snap7-0.1.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 11.0 kB
Release files / mcp_snap7-0.1.0.tar.gz
| Download URL | mcp_snap7-0.1.0.tar.gz |
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| Size | 4.9 kB |
| Tags | Source |
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| Tags | Python 3 |
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Attestation for mcp_snap7-0.1.0.tar.gz
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Signed by GitHub Actions, verified by PyPI on Mar 28, 2026.
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