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WAGO PLC

io.github.WagoAlex/wago-plc-mcp-serverv2.3.2Other

Read and monitor WAGO PLC parameters over the WDA REST API. Read-only unless writes are allowed.

The current version, v2.3.2, was published to the official MCP registry on 2026-09-15. It is distributed as wago-plc-mcp-server on PyPI and as the Docker image docker.io/wagoalex/wago-plc-mcp-server:2.3.2, filed under Other by this index, and declares 7 environment variables. Removals and unreachable sources are measured across every server this index tracks, contract drift across the servers that answer in consecutive snapshots; the index's current counts put this record in context.

In-path gate · all MCP tools

Using WAGO PLC in Claude, Cursor, Gemini CLI, Cline, or Zed?

MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).

Install the mcpindex gate (one command)

Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less

uv tool install mcpindex-gate && mcpindex-config-wire
Auditable install path →Watch it hold a drift →
Trust verdict · v1 advisory · method
NOT YET SCREENEDno verdict on file

Verdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.

Own this server? Screen its description →

That verdict was true at screening time (snapshot 2026-09-15).

Contracts can change after screening, with no version bump. The gate pins WAGO PLC’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.

See your first HOLD in 2 minutes →

Related: how to trust an MCP server · screen before install · silent contract drift

Environment variables
TRANSPORT
required

MCP transport. Fixed to stdio for this package.

WAGO_PLC_HOSTS
required

Comma-separated IPs of the WAGO PLCs, reachable from this machine

DEFAULT_PLC_USERNAME
required

WBM username on the PLCs

DEFAULT_PLC_PASSWORD
requiredsecret

WBM password, same on all listed PLCs

WAGO_TIMEOUT_SECONDS

WDA request timeout. CC100 needs 45 or more, other controllers work with 15

WAGO_ALLOW_WRITES
required

true lets the agent change parameters, run methods and upload files. Anything else keeps every PLC read-only

AUDIT_LOG_FILE

Optional path for the tamper-evident audit log of writes and refusals

TRANSPORT
required

MCP transport. Fixed to stdio for this package.

WAGO_PLC_HOSTS
required

Comma-separated IPs of the WAGO PLCs, reachable from this machine

DEFAULT_PLC_USERNAME
required

WBM username on the PLCs

DEFAULT_PLC_PASSWORD
requiredsecret

WBM password, same on all listed PLCs

WAGO_TIMEOUT_SECONDS

WDA request timeout. CC100 needs 45 or more, other controllers work with 15

WAGO_ALLOW_WRITES
required

true lets the agent change parameters, run methods and upload files. Anything else keeps every PLC read-only

AUDIT_LOG_FILE

Optional path for the tamper-evident audit log of writes and refusals

MCP quality score · maturity, not trust · methodology
freshness
25
completeness
20
installability
25
documentation
15
stability
10
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