Shogi
by BlayTheNinth
Shogi is a library that gives mod authors a rule-based effect system, which players then configure with expressions and JSON.
What it does
The library evaluates rules against context such as the player, the dimension, or other conditions, so one setting can respond to the situation it applies to. Rules are written in a simple expression syntax, and plain JSON files are also supported for players and server owners who prefer that format.
Shogi is used by other mods for dynamic configuration. Waystones uses it to set warp requirements that change with context, and Unbreakables uses it to decide which blocks cannot be broken. Four catalog mods, including Little Joys, Unbreakables, [SWG] Simple Waystones Groups and Waystones Item Cost Extended, list Shogi as a requirement. Fabric API must also be installed, since it is the only required dependency. The library is published for Fabric and NeoForge across the 26.1 – 26.3 range, with files for 26.1, 26.1.1, 26.1.2, 26.2 and 26.3, and it is not open source; it is released under All rights reserved. Source code, an issue tracker and a wiki are publicly linked.
Key features
Context-aware rules
Rules evaluate against the player, the dimension and other context, so a single configured value can change with the situation.
Expression syntax
Rules use a compact expression syntax that can be written directly in configuration, without writing code.
JSON configuration
Rules can also be written as JSON, giving a second format for configuration files.
Conditional logic and aggregates
Conditions and aggregate calculations let rules combine several values into one result.
Developer API
A lightweight API lets mod developers add rule support to their own mods with a small amount of code, and includes many built-in effects.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Required by 4 mods
Use cases
Dynamic warp requirements
Waystones sets its warp requirements through Shogi rules, so the cost of travel can depend on context.
Block break rules
Unbreakables uses Shogi rules to define which blocks cannot be broken, with the rules configurable by server owners.
Who it’s for: Mod developers who want configurable, context-dependent behavior in their mods, and server owners who set rules for mods that rely on Shogi.
Questions
Does Shogi need Fabric API?
Which mods require Shogi?
Is Shogi required on the server?
In the catalog
Shogi is one of 3,514 Library mods on ModsFinder, and one of 2,348 Library mods for Fabric. 8,071 mods support Minecraft 26.3.
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What the author says
This is a library mod that adds a rule-based effect system for use in Minecraft mods. Its most notable use is Waystones, where it controls the highly dynamic warp requirements, and Unbreakables, where it controls the rules of which blocks are unbreakable. To achieve this, mods implement the Shogi API and expose…
Official listing
- Modrinth page
- modrinth.com/mod/shogi
- Owner
- BlayTheNinth
- Published
- 2026-03-03
- Updated on Modrinth
- 2026-09-26
- Facts verified
- 2026-10-15