MetaTrader Source Code Library (10,000+ MT4 & MT5 Experts, Indicators & Scripts)

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MetaTrader Source Code Library

Discover one of the largest collections of MetaTrader Expert Advisors, Indicators, Scripts, and Libraries for MT4 and MT5. This library is designed for traders, developers, and algorithmic trading enthusiasts looking for ready-made MQL source code.

All tools are structured for educational use, strategy development, and automation research. You can download, modify, and study each MetaTrader trading system to understand how algorithmic trading strategies are built.

Whether you are working on forex robots, custom indicators, or trading scripts, this resource helps accelerate development and improve your MetaTrader programming skills.

Awesome Oscillator Pullback EA for EURUSD, +209 Percent in a 2021-2026 Backtest expert MT5

MetaTrader 5 expert advisor

Awesome Oscillator Pullback EA for EURUSD, +209 Percent in a 2021-2026 Backtest

Awesome Oscillator Pullback trades EURUSD on H1 in both directions. It joins a moving-average filter, the Awesome Oscillator and a daily level: the oscillator marks the pul...

Change Point: Bayesian online change point detection expert MT5

MetaTrader 5 expert advisor

Change Point: Bayesian online change point detection

ChangePoint.mqh detects changes in the mean or the volatility of a series as they happen, with the Bayesian online change point detection of Adams and MacKay (2007). The se...

Canvas Tabs: a lightweight tab bar for MQL5 based on C Canvas expert MT5

MetaTrader 5 expert advisor

Canvas Tabs: a lightweight tab bar for MQL5 based on C Canvas

CanvasTabs draws a tab bar on a chart with the standard CCanvas class. It is a single include file with no DLLs, no trading functions and no built-in persistence. It is mea...

Supertrend Scalper with Breakeven Win Rate Panel expert MT5

MetaTrader 5 expert advisor

Supertrend Scalper with Breakeven Win Rate Panel

What it isA Supertrend flip scalper for MetaTrader 5 with a stack of optional filters (RSI, ADX/DI, MACD divergence, Bollinger Bands, EMA trend and slope, EMA zone, VWAP, ATR range...

Tick Scalper Helper: Tick Chart and One-Click Trading Panel for MT5 expert MT5

MetaTrader 5 expert advisor

Tick Scalper Helper: Tick Chart and One-Click Trading Panel for MT5

Tick Scalper Helper is a manual trading utility designed for traders who operate on very short timeframes and need to monitor every price fluctuation.This tool replaces the standar...

Accurate Broker GMT Offset and Daylight Saving Time Rules from Price History expert MT5

MetaTrader 5 expert advisor

Accurate Broker GMT Offset and Daylight Saving Time Rules from Price History

An Expert Advisor that needs to trade during New York hours requires the correct offset between the broker's server time and UTC. Some brokers maintain a consistent UTC offset year...

Data Snooping: Robustness Testing with SPA, Reality Check, StepM, and Model Confidence Set expert MT5

MetaTrader 5 expert advisor

Data Snooping: Robustness Testing with SPA, Reality Check, StepM, and Model Confidence Set

DataSnooping.mqh addresses a critical question after strategy optimization: if the best strategy or parameter set outperforms the benchmark, is it genuinely superior, or merely the...

Partial Close Multi TP Manager for MetaTrader 5 expert MT5

MetaTrader 5 expert advisor

Partial Close Multi TP Manager for MetaTrader 5

A versatile tool for MetaTrader 5 that allows for partial profit-taking across up to five distinct levels for any open position.This EA is designed to manage trades on various inst...

Basket Pair Closer: Efficiently Close Trading Positions expert MT5

MetaTrader 5 expert advisor

Basket Pair Closer: Efficiently Close Trading Positions

Basket Pair Closer manages trading positions by pairing a profitable trade with a losing one. It calculates the combined profit, swap, and commission. When this total reaches a pre...

Regime HMM: Identifying Market Regimes with Hidden Markov Models expert MT5

MetaTrader 5 expert advisor

Regime HMM: Identifying Market Regimes with Hidden Markov Models

RegimeHMM.mqh identifies market regimes using a Hidden Markov Model (HMM). This approach assumes that market returns or other features originate from a finite number of distinct st...

VPS Toolkit: Secure Order Sending and Restart-Safe State for Expert Advisors expert MT5

MetaTrader 5 expert advisor

VPS Toolkit: Secure Order Sending and Restart-Safe State for Expert Advisors

VPS Toolkit This is a small include file (VpsToolkit.mqh) for Expert Advisors (EAs) that run 24/7 on an MQL5 VPS or your own PC. It contains no trading logic; you include it and ca...

CME Equity Index Futures Holiday Calendar and Trading Halt Automation expert MT5

MetaTrader 5 expert advisor

CME Equity Index Futures Holiday Calendar and Trading Halt Automation

Expert Advisors that need to close positions before daily market halts or avoid trading during shortened sessions require accurate knowledge of trading schedules. Typically, CME Gl...

Order Watchdog: Account Anomaly Alerts for MT5 expert MT5

MetaTrader 5 expert advisor

Order Watchdog: Account Anomaly Alerts for MT5

Order Watchdog is a read-only Expert Advisor designed to monitor your entire MT5 account for anomalies. It operates on any live or demo chart without executing trades, focusing sol...

Quantifying Backtest Overfitting with Probability of Backtest Overfitting (PBO) expert MT5

MetaTrader 5 expert advisor

Quantifying Backtest Overfitting with Probability of Backtest Overfitting (PBO)

BacktestOverfitting.mqh calculates the Probability of Backtest Overfitting (PBO) for trading strategy optimizations. The PBO measures how frequently the top-performing trading pass...

Prop Guard Lite: Daily and Max Loss Protection for Prop Firm Accounts expert MT5

MetaTrader 5 expert advisor

Prop Guard Lite: Daily and Max Loss Protection for Prop Firm Accounts

PropGuard Lite is a risk management tool designed for proprietary trading firm accounts (e.g., FTMO) and for any trader seeking a strict stop on unfavorable trading days. This tool...

Account Guard: EA Account Locking for MT5 expert MT5

MetaTrader 5 expert advisor

Account Guard: EA Account Locking for MT5

Account Guard is a single-header utility for MT5 Expert Advisors that restricts EA usage to specific licensed account numbers.It includes optional allowances for demo accounts, an ...

Automated Live Testing for Expert Advisors on Demo Accounts expert MT5

MetaTrader 5 expert advisor

Automated Live Testing for Expert Advisors on Demo Accounts

The standard Strategy Tester in MetaTrader cannot fully simulate live trading conditions such as terminal restarts, Expert Advisors (EAs) initiating before account connection, mult...

Strategy Tester Report Parser for Deals and Trades expert MT5

MetaTrader 5 expert advisor

Strategy Tester Report Parser for Deals and Trades

Parse Saved Strategy Tester Reports into Deals and TradesThis utility reads a Strategy Tester report saved as HTML and extracts its deals, closed trades, and key performance figure...

Portfolio Weight Calculation: Risk Parity, HRP, Minimum Variance, and Maximum Diversification expert MT5

MetaTrader 5 expert advisor

Portfolio Weight Calculation: Risk Parity, HRP, Minimum Variance, and Maximum Diversification

PortfolioWeights.mqh computes portfolio weights from the returns of its components, which can be symbols or the daily results of multiple Expert Advisors. It offers five classic lo...

Spread Monitor for MT5 expert MT5

MetaTrader 5 expert advisor

Spread Monitor for MT5

Spread Monitor is a single-file MQL5 Expert Advisor that displays the trading spread of the attached symbol on a color-coded panel in the chart corner.The spread, which is the diff...

Programmatically Attach Expert Advisors with Custom Inputs to MetaTrader 5 Charts expert MT5

MetaTrader 5 expert advisor

Programmatically Attach Expert Advisors with Custom Inputs to MetaTrader 5 Charts

AttachExpert.mqh provides a method to attach an Expert Advisor (EA) to a MetaTrader 5 chart directly from MQL5 code. This utility allows you to specify EA input parameters and cont...

Fx Craft Example EA: MA Cross Strategy Explained expert MT5

MetaTrader 5 expert advisor

Fx Craft Example EA: MA Cross Strategy Explained

An educational example of a simple trend-following Expert Advisor. It demonstrates structuring a trading robot in MQL5, including signal generation on closed bars, order execution ...

Fx Craft Example EA: Bollinger Bands Mean Reversion expert MT5

MetaTrader 5 expert advisor

Fx Craft Example EA: Bollinger Bands Mean Reversion

An educational example of a mean-reversion Expert Advisor based on Bollinger Bands. It demonstrates how to combine two indicators, limit trading to selected hours, and manage exits...

Fx Craft Example EA: Range Breakout with Pending Orders expert MT5

MetaTrader 5 expert advisor

Fx Craft Example EA: Range Breakout with Pending Orders

An educational example of a breakout Expert Advisor that uses pending orders. It demonstrates how to construct a daily price range from M1 bars, place a pair of stop orders, remove...

News Lines Utility: Economic Calendar On Your Chart expert MT5

MetaTrader 5 expert advisor

News Lines Utility: Economic Calendar On Your Chart

News Lines – Economic Calendar Lines & Event PanelVersion 1.30 • Expert Advisor (utility, does not trade) • MetaTrader 51. OverviewNews Lines places the economic calendar...

Pending Panel MT5: One-Click Pending Orders with OCO Functionality expert MT5

MetaTrader 5 expert advisor

Pending Panel MT5: One-Click Pending Orders with OCO Functionality

Pending Panel is a chart-based execution tool for MetaTrader 5 that allows users to place pending orders (Buy Limit, Sell Limit, Buy Stop, and Sell Stop) with a single click.Key Fe...

GM Matrix Monitor: Read-Only EA Risk Dashboard expert MT5

MetaTrader 5 expert advisor

GM Matrix Monitor: Read-Only EA Risk Dashboard

GM Matrix Monitor is a read-only dashboard designed to monitor a multi-EA account without requiring constant checks of the trading terminal.Key Features- Per-Magic Number Net Profi...

GDS Renko RSI + MACD 4-Mode EA expert MT5

MetaTrader 5 expert advisor

GDS Renko RSI + MACD 4-Mode EA

Signal LogicThe EA utilizes a standard two-brick reversal for generating signals. Oscillator values are updated only after a brick is completed, not based on the chart's candlestic...

Prop Firm Guard: Daily Loss and Max Drawdown Protection expert MT5

MetaTrader 5 expert advisor

Prop Firm Guard: Daily Loss and Max Drawdown Protection

Prop Firm Guard safeguards challenge and funded accounts by preventing breaches of the two most common prop firm rules: the daily loss limit and the maximum drawdown.This tool does...

Xlsx Writer: Generate Excel .xlsx Files from MQL5 Without External Libraries expert MT5

MetaTrader 5 expert advisor

Xlsx Writer: Generate Excel .xlsx Files from MQL5 Without External Libraries

XlsxWriter.mqh allows you to create native Excel workbooks (.xlsx) directly from MQL5.It does not require any DLLs or Microsoft Excel installation on the computer. The generated fi...

Moving Average Crossover Expert Advisor expert MT5

MetaTrader 5 expert advisor

Moving Average Crossover Expert Advisor

Moving Average Crossover EA — an expert advisor utilizing the crossover of moving averages.This expert advisor initiates trades when two moving averages, a Fast MA and a Slow MA, c...

Calendar News Filter for MT5: Avoid Trading During High-Impact News Events expert MT5

MetaTrader 5 expert advisor

Calendar News Filter for MT5: Avoid Trading During High-Impact News Events

CNewsFilter is a tool designed to help your Expert Advisor (EA) determine if it is currently a news event time. It analyzes the economic calendar integrated within MetaTrader 5. Th...

Smart Money Concept Expert Advisor: Market Structure, FVG, and Pullback Trading expert MT5

MetaTrader 5 expert advisor

Smart Money Concept Expert Advisor: Market Structure, FVG, and Pullback Trading

This Expert Advisor trades fair value gaps (FVG) in the direction of market structure, as described by Smart Money Concepts.This EA is the third in a series. Previous components in...

Equity Guard: Daily Loss, Max Drawdown, and Profit Target Protection for MT5 expert MT5

MetaTrader 5 expert advisor

Equity Guard: Daily Loss, Max Drawdown, and Profit Target Protection for MT5

Equity Guard is a risk-management Expert Advisor for MetaTrader 5 that operates without opening trades. It monitors account equity and intervenes when predefined limits are reached...

Telegram Trade Notifier: Real-time Alerts and Daily Summaries expert MT5

MetaTrader 5 expert advisor

Telegram Trade Notifier: Real-time Alerts and Daily Summaries

Telegram Trade Notifier keeps you informed about your trading account when you are away from the terminal. Attach this Expert Advisor (EA) to a single chart, and it will send a Tel...

USDX Trader EA: Trade the US Dollar Index with Any Broker expert MT5

MetaTrader 5 expert advisor

USDX Trader EA: Trade the US Dollar Index with Any Broker

USDX Trader EA - Version 1.33 UpdateUSDX Trader v1.33 — Synthetic Dollar Index Chart and Basket Trading for MetaTrader 5Platform: MetaTrader 5Broker Compatibility: Any broker offer...

GER40 Evening Coil EA: 376% Profit with 10% Max Drawdown expert MT5

MetaTrader 5 expert advisor

GER40 Evening Coil EA: 376% Profit with 10% Max Drawdown

GER40 Evening Coil EA This is a free, fully open EA for the German 40 index on H1. It buys in the evening session after a recent narrow-range bar, when volatility is calm and volum...

Monday Dip EA - Index Mean Reversion D1 expert MT5

MetaTrader 5 expert advisor

Monday Dip EA - Index Mean Reversion D1

The Expert Advisor trades on the chart's symbol (no hardcoded symbols). It executes one trade per week, with all strategy decisions based on Daily (D1) closed candle data and serve...

Manual Trade Pad for MetaTrader 4 expert MT4

MetaTrader 4 expert advisor

Manual Trade Pad for MetaTrader 4

Manual Trade Pad for MT4 is a user-friendly trading panel designed to streamline trade execution and position management directly from the MetaTrader 4 chart.This Expert Advisor of...

CLiveTradeInfo - CHistoryTradeInfo expert MT5

MetaTrader 5 expert advisor

CLiveTradeInfo - CHistoryTradeInfo

IntroductionMQL4TradeCompat is a compatibility framework that recreates the classic MQL4 order-centric trading model on top of the native MQL5 trading architecture.The library allo...

GDS Renko Trade Manager for MetaTrader 5 expert MT5

MetaTrader 5 expert advisor

GDS Renko Trade Manager for MetaTrader 5

GDS Renko Trade Manager is an Expert Advisor for traders who open positions manually and seek systematic, transparent stop management. It monitors eligible positions on the chart s...

Gold MT5 Fractal Breakout EA expert MT5

MetaTrader 5 expert advisor

Gold MT5 Fractal Breakout EA

OverviewGold Fractal Breakout EA is a MetaTrader 5 Expert Advisor that identifies confirmed swing highs and lows, then attempts to place Buy Stop and Sell Stop orders near those le...

WaveMaster Pro EA: Automated Execution for WaveMaster Oscilloscope expert MT5

MetaTrader 5 expert advisor

WaveMaster Pro EA: Automated Execution for WaveMaster Oscilloscope

WaveMaster Pro EAThe official execution companion for WaveMaster Oscilloscope.MANDATORY REQUIREMENT — READ FIRSTThis EA does not generate signals on its own.It is a companion Exper...

APEX VELOCITY: Advanced Volatility Breakout System expert MT5

MetaTrader 5 expert advisor

APEX VELOCITY: Advanced Volatility Breakout System

Apex Velocity EA - Advanced Volatility Breakout System for XAUUSDApex Velocity is a professional-grade Expert Advisor designed to capture explosive momentum in high-volatility inst...

Opening Range Breakout with NR4 / NR7 Contraction Filters (2026 Update) expert MT5

MetaTrader 5 expert advisor

Opening Range Breakout with NR4 / NR7 Contraction Filters (2026 Update)

Opening Range Breakout with NR4 / NR7 Contraction FiltersThis Expert Advisor implements a trading strategy based on the principle that following a period of low volatility (narrow ...

Bot Guard: Terminal Health Monitoring for VPS expert MT5

MetaTrader 5 expert advisor

Bot Guard: Terminal Health Monitoring for VPS

BotGuard is a utility Expert Advisor designed for users running trading robots on a Virtual Private Server (VPS). Its sole purpose is to monitor the health of the trading terminal ...

Prop Firm Equity Guard: Daily Loss and Maximum Drawdown Protection expert MT5

MetaTrader 5 expert advisor

Prop Firm Equity Guard: Daily Loss and Maximum Drawdown Protection

Prop Firm Equity Guard is designed to prevent traders from violating common proprietary trading firm rules.This tool monitors account equity in real-time. Upon reaching a predefine...

EMA Cross Scalper for XAUUSD (M15) with WIB Session Filter expert MT5

MetaTrader 5 expert advisor

EMA Cross Scalper for XAUUSD (M15) with WIB Session Filter

EMA Cross Scalper InputsParameter, Default Value, DescriptionInpFastEMA, 10, Fast Exponential Moving Average period (uses M15 closed bars).InpSlowEMA, 30, Slow Exponential Moving A...

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