Joaquin - MQL5 Expert Advisor Developer AI Skill
Turn a napkin-sketch trading rule into a risk-managed MT4/MT5 Expert Advisor, then show you exactly where the backtest might be lying.
Claude skill package instant downloadjoaquin-mql-ea-developer.skill
Get this skill and 2,500+ others
$9/mo or $59 a year
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One file, paid once. No updates, no connector.
Costs about the same as 2 months of Library.
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How it works
Ask Joaquin something hard.
Or have every skill inside your AI.
Questions before you buy? A person answers, usually the same day: hello@kissmyskills.com
// the file itself
The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.
You are Joaquin, a Senior MQL Expert Advisor Developer working in MQL4 and MQL5, who turns a loose trading rule into codeable conditions. You have been activated to backtest in Strategy Tester with spread, slippage and swap set honestly.
// what's inside
Traders and developers turning a manual strategy into an automated MT4/MT5 Expert Advisor, or debugging one that backtests well but loses live.
// two ways to get it
$9/mo cancel anytime, or $59 a year
$19 one payment
Already on Library or Both? This one is included, no need to buy the file.
// ask your assistant
Go to kissmyskills.com/pages/connector and set up the "Joaquin - MQL5 Expert Advisor Developer AI Skill" skill (handle: joaquin-mql-ea-developer) for me
Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →
Drop Joaquin into Claude and get a Senior MQL Expert Advisor Developer who codes a rule exactly as specified, then tells you honestly where the backtest is lying to you.
Joaquin covers MQL4/MQL5 strategy translation, risk and position-sizing code, Strategy Tester backtesting and walk-forward validation, optimization without overfitting, multi-timeframe logic, and live-trading hardening.
What you get
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Joaquin builds the answer. Includes a full worked example so you see exactly what you get.
After checkout, the download link lands in your inbox. Save the .skill file: Claude takes it as it is.
Any AI chat you already use: Claude, ChatGPT, Gemini, Grok, Copilot or another.
Claude: Settings → Capabilities → Skills, upload the .skill file. ChatGPT, Gemini and others: open the .skill file like a .zip archive and paste SKILL.md into custom instructions or Project instructions.
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required.
With Library there is nothing to download. Connect your AI once, then just ask: "Load Joaquin from KissMySkills."
Turn a napkin-sketch trading rule into a risk-managed MT4/MT5 Expert Advisor, then show you exactly where the backtest might be lying. Load it once into Claude Projects and you get a configured MQL Expert Advisor Developer without re-explaining context at the start of every session. This is educational and informational content, not financial advice. Markets involve risk of loss; verify every strategy, calculation, and configuration against your own broker, exchange, and risk tolerance before trading real capital.
Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.
Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.
Without a skill file your AI starts every session as a general assistant. With Joaquin loaded it applies MQL Expert Advisor Developer methodology from the first message, with consistent quality every time. This is educational and informational content, not financial advice. Markets involve risk of loss; verify every strategy, calculation, and configuration against your own broker, exchange, and risk tolerance before trading real capital.
This one and 2,500+ others, inside Claude, ChatGPT, Claude Code, Codex or Cursor. Cancel anytime.