
Post Server Join & Leave Messages to URL
This is a mod to post Server Join & Leave Messages to the URL.
About this Mod
Minecraft Join & Leave Message Mod
Introduction
This mod will send a POST request to the URL you set in the config file, when the server starts or someone joins or leaves.
You can set the POST data and the URL in the config.
The config file: ./config/joinmsg.txt
Config Example
url=http://127.0.0.1/msg
join_prefix=Player
leave_prefix=Player
join_after= joined the game
leave_after= left the game
serverStart=The server has started!
Other uses
You can use Mirai + MiraiJS to realize the server player login message to QQ groups.
Commands
/miraimc help for more information.
For Development
Setup
For setup instructions please see the fabric wiki page that relates to the IDE that you are using.
License
Feel free to modify it for yourself.
Available Versions
How to Install Post Server Join & Leave Messages to URL on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.19.3).
Install Mod
Open the mod browser in the dashboard and search for "Post Server Join & Leave Messages to URL". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.19.3, 1.19.2, 1.19.1 (+12 more)
Server-side
~ OptionalRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Post Server Join & Leave Messages to URL server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.19.3). You can switch loaders with one click in the panel.
Is Post Server Join & Leave Messages to URL compatible with fabric and quilt?
Post Server Join & Leave Messages to URL officially supports fabric, quilt for Minecraft 1.19.3, 1.19.2, 1.19.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Post Server Join & Leave Messages to URL – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Post Server Join & Leave Messages to URL consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Post Server Join & Leave Messages to URL with just one click on your server.