722c09ed70
WHY: an unlicensed CODESYS Control runtime drops out of demo mode every 2 hours. systemctl is-active reports "active" even after the binary has died, so a TCP probe on the runtime port (default 11740) is the only honest liveness signal. The new tool gives MCP a one-call path to bring the runtime back without dropping into a terminal. Implementation choices: - ssh2 (npm) instead of spawning ssh/sshpass: sshpass is not on the default Windows path, and the target Pi's sshd 10.x rejects pubkey signatures from this client environment in practice. ssh2 handles password auth + remote stdin + exit-code capture cross-platform. - sudo -S with the password fed on remote stdin -- avoids a NOPASSWD sudoers entry on the PLC. - After issuing the restart, polls 'ss -tln | grep :<port>' once per second until the listen port is up or livenessWaitSeconds expires. This is what catches a half-dead runtime that systemctl reports as fine. Defaults match the only Pi we currently target (codesys-pi.local / karstein / codesys123 / codesyscontrol / port 11740) but every field is overridable. Smoke-tested against codesys-pi.local: restart exit 0, port back up after ~3s.
54 lines
1.6 KiB
JSON
54 lines
1.6 KiB
JSON
{
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"name": "codesys-mcp-sp21-plus",
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"version": "0.5.0",
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"description": "Codesys-MCP-SP21+ -- fork of luke-harriman/Codesys-MCP carrying CODESYS V3.5 SP22 Patch 1 fixes (and forward-compat with later SPs): script-engine API drift, online/runtime tool auto-login, dual-SHA release classifier, set_pou_code omitted-decl wipe fix, add_library managed-overload, etc. MCP server for CODESYS with persistent UI instance and file-based IPC.",
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"main": "dist/server.js",
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"bin": {
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"codesys-mcp-sp21-plus": "dist/bin.js"
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},
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"files": [
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"dist/",
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"README.md",
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"LICENSE"
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],
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"scripts": {
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"build": "tsc && node -e \"require('fs').cpSync('src/scripts','dist/scripts',{recursive:true})\"",
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"test": "vitest --run",
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"test:watch": "vitest",
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"typecheck": "tsc --noEmit",
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"prepublishOnly": "npm run build && npm test"
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},
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"keywords": [
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"codesys",
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"mcp",
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"plc",
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"automation",
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"persistent",
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"ui"
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],
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"author": "luke-harriman (upstream); phobicdotno (SP21+ fork)",
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"repository": {
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"type": "git",
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"url": "https://github.com/phobicdotno/Codesys-MCP-SP21-plus.git"
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},
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"homepage": "https://github.com/phobicdotno/Codesys-MCP-SP21-plus#readme",
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"license": "MIT",
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"engines": {
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"node": ">=18"
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},
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"dependencies": {
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"@modelcontextprotocol/sdk": "^1.26.0",
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"commander": "^11.1.0",
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"ssh2": "^1.17.0",
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"uuid": "^9.0.0",
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"zod": "^3.24.3"
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},
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"devDependencies": {
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"@types/node": "^20.14.1",
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"@types/ssh2": "^1.15.5",
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"@types/uuid": "^9.0.0",
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"tsx": "^4.21.0",
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"typescript": "^5.5.3",
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"vitest": "^1.6.0"
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}
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}
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