About PyFish (python)
From ModrinthAllows to execute python 3.12 scripts, add content, etc. in minecraft and also to make minecraft mod using GraalPy so no python installation is needed to play
A mod that allows you to execute python scripts or to make your own mods using python.
It has a "Minecraft" API that allows you to set blocks, summon entities, listen to events, etc. and since the last update you can also register items, blocks, creative tabs, tags, etc. under the namespace you want.
You can do whatever you want from adding blocks and crafts to your modpack to connecting your LLM API key to your server.
The user don't have to have anything installed for Python to work. This mod has GraalPy (a java Python) and pip integrated in its jar.
You can install every python package that is pure python you want in your mod.
Some Native packages are recoded in Java and included in PyFish. Native libs built-in now : requests, sqlite3, asyncio, logging, pathlib, and websocket
You have to put your scripts in <your_mc_instance>/pyfish/<your_folder>/scripts/ (the name of "your_folder" will be the namespace used to register items, etc.) or in <your_mc_instance>/pyfish/scripts/ (if you put in pyfish/scripts it will register under pyfish's namespace), they are executed automatically.
You can also make .jar mods and also .pyz (100% python) mods.
Fully detailed Documentation (IDE Support now !) here and Support on Discord (the documentation contains the list of every functions available from the MCAPI and how to use them and also all needed informations)
Highlights
From source dataGame versions
Supports 2 Minecraft versions, the newest being 1.21.11.
Loaders
Runs on Fabric and NeoForge.
Footprint
Rated a light load on a server.
PyFish (python) on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
- Server side
- Required on the server
- Server type needed
- Fabric, NeoForge
- Server load
- light
- Smallest plan we suggest
- Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.2.5, released 2026-09-20
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| Fabric | 1.21.1 to 1.21.11 (2 versions) | 1.21.11 |
| NeoForge | 1.21.1 to 1.21.11 (2 versions) | 1.21.11 |
From 5 recorded builds of PyFish (python).
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 1.2.5 | 2026-09-20 | 1.21.1 | NeoForge |
| 1.2.5 | 2026-09-20 | 1.21.11 | NeoForge |
| 1.2.5 | 2026-09-20 | 1.21.1 | Fabric |
| 1.2.5 | 2026-09-20 | 1.21.11 | Fabric |
| 1.2.4 | 2026-08-29 | 1.21.11 | Fabric |
Run PyFish (python) on a Minecraft server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogTechnology & automation
Machines, power, logistics and automation.
Runs on your server
From source side supportModrinth lists PyFish (python) as required on the server. Check its Modrinth page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- FabricNeoForge
- Runs on
- Serverrequired on the server
- Game versions
- 1.21.11 and 1 earlier
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-03Open ↗
- ✓AuthorOesphyGG, as published on Modrinth
- ✓LicenseLGPL-3.0-onlyFree











