plcsense runs on your own machine — the client starts it, so there is no endpoint to ping. 139 installs a week from npm.
Read-only TwinCAT ST intelligence: resolve symbols, library APIs, docs, validate PLC code.
Today is the operative word: we check plcsense every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp -- npx -y @zeugwerk/plcsense
{
"mcpServers": {
"mcp": {
"args": [
"-y",
"@zeugwerk/plcsense"
],
"command": "npx"
}
}
}
[mcp_servers.mcp]
command = "npx"
args = ["-y", "@zeugwerk/plcsense"]
{
"mcpServers": {
"mcp": {
"args": [
"-y",
"@zeugwerk/plcsense"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"mcp": {
"args": [
"-y",
"@zeugwerk/plcsense"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
PLCSENSE_LICENSE_KEY (Optional one-shot licence key (same as plcsense license activate). Skip if this machine is already licensed.).
The author declared them in the registry entry; get the values from the project itself.
Local-first code intelligence MCP: symbol graph, impact analysis, 60+ tools.
Fast polyglot source code intelligence: symbols, imports, dependencies, and impact analysis.
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
Lightweight MCP server for LSP code intelligence — symbol lookup, refs, types, diagnostics.
Symbols.app MCP — docs, code generation, publishing, CLI/SDK reference
Structural code intelligence over MCP: symbols, callers, imports and blast radius, 40+ languages.
Codex-native codebase intelligence context compiler and query-only MCP server.
Code intelligence MCP: symbols, call graphs, change impact + affected tests, routes, search.
Answers built from our own checks of this server.