
MF Leaks Companion by MF Leaks Companion
Add-on Companion for MFL players.
2 Users2 Users
You'll need Firefox to use this extension
Extension Metadata
Screenshots




About this extension
MF Leaks Companion enhances the PlayMFL user experience by injecting advanced tactical insights directly into the game interface.
Main features:
- View roster and last opponent lineups on an SVG pitch in your tactic's page
- Get estimated player prices in the “My HQ” section
- Analyze last matches and expected goals (xG)
Data sources:
- Public API endpoints from PlayMFL
- Additional public data served from https://mf-leaks.fr (no user data collected)
This extension does not collect or transmit any personal data. It only displays additional visual information for a better tactical overview.
🔎 v1.1.0 — Club Insights & Agent Tools
• Added "✦ Club Insights ✦" column in Contracts tab
→ Shows average OVR, min–max, full squad popup, and training XP penalty indicator
• Added "✦ Agent Reward ✦" column
→ Estimate your MFL earnings based on revenue share and club division
• Minor UI fixes and performance optimizations
Note: All data is read-only. No tracking. No ads.
🔎 v1.2.0 — Global Compatibility & Messaging Upgrade
• Club Insights now also appears directly inside your inbox, on messages related to contract offers
→ View average OVR, training penalty risks, and full squad breakdown without leaving the message
• 🌐 Full compatibility with all PlayMFL languages
→ All features now work on any localized interface (e.g. /fr/..., /es/..., etc.)
→ Injected content adapts to your language preferences: French if set, English by default
• ✅ Persistent MFLeaks button in sidebar
→ The plugin icon now stays anchored at the bottom, even after layout resets by PlayMFL
• ✨ Support tab redesigned
→ Explains why and how to support MFLeaks (Ko-Fi link, donation usage, and non-financial contributions like player loans)
• 🛠 XG (Expected Goals) injection improved
→ More robust detection with better support for delayed page loads
→ Auto-disconnect after injection = optimized performance
→ Clearer logs when translation keys are missing
🧾 Note: 100% local execution. No tracking. No ads. Just tools for passionate managers.
🔎 v1.3.1 — New Feature: Set Piece Auto-Completion
Tired of manually assigning your free kick and corner takers every match? The MFLeaks Companion now offers a powerful Auto-Completion module in the Tactics > Set Pieces tab.
With a single click:
This update also focuses on preventing double column injection in the “My HQ / Players” view and improving reliability on tab switches.
* Injected column now appears only once, even after switching tabs or reloading.
* If the user arrives directly on the Overview tab, the plugin injects immediately.
* Duplicate prevention: injection is aborted if a column is already present.
Main features:
- View roster and last opponent lineups on an SVG pitch in your tactic's page
- Get estimated player prices in the “My HQ” section
- Analyze last matches and expected goals (xG)
Data sources:
- Public API endpoints from PlayMFL
- Additional public data served from https://mf-leaks.fr (no user data collected)
This extension does not collect or transmit any personal data. It only displays additional visual information for a better tactical overview.
🔎 v1.1.0 — Club Insights & Agent Tools
• Added "✦ Club Insights ✦" column in Contracts tab
→ Shows average OVR, min–max, full squad popup, and training XP penalty indicator
• Added "✦ Agent Reward ✦" column
→ Estimate your MFL earnings based on revenue share and club division
• Minor UI fixes and performance optimizations
Note: All data is read-only. No tracking. No ads.
🔎 v1.2.0 — Global Compatibility & Messaging Upgrade
• Club Insights now also appears directly inside your inbox, on messages related to contract offers
→ View average OVR, training penalty risks, and full squad breakdown without leaving the message
• 🌐 Full compatibility with all PlayMFL languages
→ All features now work on any localized interface (e.g. /fr/..., /es/..., etc.)
→ Injected content adapts to your language preferences: French if set, English by default
• ✅ Persistent MFLeaks button in sidebar
→ The plugin icon now stays anchored at the bottom, even after layout resets by PlayMFL
• ✨ Support tab redesigned
→ Explains why and how to support MFLeaks (Ko-Fi link, donation usage, and non-financial contributions like player loans)
• 🛠 XG (Expected Goals) injection improved
→ More robust detection with better support for delayed page loads
→ Auto-disconnect after injection = optimized performance
→ Clearer logs when translation keys are missing
🧾 Note: 100% local execution. No tracking. No ads. Just tools for passionate managers.
🔎 v1.3.1 — New Feature: Set Piece Auto-Completion
Tired of manually assigning your free kick and corner takers every match? The MFLeaks Companion now offers a powerful Auto-Completion module in the Tactics > Set Pieces tab.
With a single click:
- Automatically selects the best free kick, corner and penalty takers
- Chooses players based on their shooting or passing stats
- Prioritizes only starting players (lineup detected from the 'Overview' tab)
- Fully supports multilingual interface
This update also focuses on preventing double column injection in the “My HQ / Players” view and improving reliability on tab switches.
* Injected column now appears only once, even after switching tabs or reloading.
* If the user arrives directly on the Overview tab, the plugin injects immediately.
* Duplicate prevention: injection is aborted if a column is already present.
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Permissions and dataLearn more
Required permissions:
- Access your data for app.playmfl.com
Optional permissions:
- Access your data for app.playmfl.com
- Access your data for z519wdyajg.execute-api.us-east-1.amazonaws.com
- Access your data for mf-leaks.fr
More information
- Version
- 1.5.0
- Size
- 7.17 MB
- Last updated
- 3 days ago (Aug 5, 2025)
- Related Categories
- License
- MIT License
- Version History
- Add to collection
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