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Open-source utilities and templates for operators running systematic strategies.

Open Source MetaTrader 5

Guardian Heartbeat EA v3.0

A timer-only Expert Advisor that writes a JSON heartbeat file every 15 seconds containing the terminal's account state, broker connection status, equity, open positions, EA statuses across all charts, and recent trade history. It does not trade, does not modify orders, and does not interact with the broker. Designed as the companion EA for Sentinel MT, but useful as a standalone terminal state exporter for any monitoring or logging system.

46 fields per heartbeat. Includes broker round-trip time measurement, daily session statistics, and pending order tracking. One EA per terminal, one file per terminal.

Version 3.0 · Released April 2026 · MIT License
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