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Redstone Debugger project artwork

CurseForge · Minecraft mod

Redstone Debugger

A Minecraft redstone troubleshooting tool that helps players understand why their machines fail.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Redstone Debugger release should I use?

Updated 3 days ago
beta file Redstone Debugger 0.1.1 — Forge 1.20.2
Game version 1.20.2
Loader Forge

Redstone Debugger 0.1.1 — Forge 1.20.2 targets 1.20.2 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Redstone Debugger required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say
Dedicated server Source doesn’t say
Loader for this release Forge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Redstone Debugger 0.1.1 — Forge 1.20.2 need?

Redstone Debugger 0.1.1 — Forge 1.20.2. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Redstone Debugger without breaking your instance.

Built for Redstone Debugger 0.1.1 — Forge 1.20.2. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use Redstone Debugger 0.1.1 — Forge 1.20.2. It targets 1.20.2 with Forge; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    The project page does not say whether this file belongs on the client, dedicated server, or both.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside Redstone Debugger 0.1.1 — Forge 1.20.2. It opens that exact file at the source.

About this project

What does Redstone Debugger add?

Redstone Debugger

Understand your circuits instead of rebuilding them. A lightweight Minecraft redstone debugging assistant for Minecraft Forge.

Install on both client and server. This is not client-only.

Look at the world, see the problem

  • G toggles inspection mode; H inspects or refreshes your target.
  • Redstone dust displays actual server signal strength, with green, yellow and red outlines.
  • Normal and sticky pistons: immovable blocks, the 12-block push limit and vanilla slime/honey movement participants.
  • Repeaters: input, output, delay, direction and side-lock state.
  • Comparators: mode, main input, side input and real output.
  • Hoppers: redstone locks, empty inventory and blocked or missing output inventories.
  • J requests upstream topology hints within 32 blocks. K requests a nearby component snapshot.

Compact HUD and vanilla-style block outlines; no extra menus, items or blocks. Chinese and English supported.

Vanilla friendly

No automatic repair, building, redstone changes or background world scans. Server-calculated results go only to the requesting player. Markers expire after five seconds by default. Distance, scan budgets, duration, outlines, HUD and optional particles are configurable in TOML files.

Results are snapshots. Press H to refresh. Red dust means zero signal, which can be intentional. Tracing follows existing topology and does not fully simulate timing, quasi-connectivity or infer missing wire across arbitrary gaps. Extended pistons are reported as extended; retraction timing is not simulated.

MIT licensed. Rebind keys in the normal Controls screen if other mods also use G.

Versions and installation

Choose a Forge file matching your exact Minecraft version. Baseline: 1.20.1 (Forge 47.4.10+, Java 17). Separate ports: 26.3, 26.2, 26.1.2, 26.1.1, 26.1, 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.1, 1.21, 1.20.6, 1.20.4, 1.20.3 and 1.20.2.

Java 17: 1.20.1–1.20.4. Java 21: 1.20.6 and the listed 1.21 versions. Java 25: 26.x. Each file changelog lists its minimum Forge version. Put the matching JAR in mods/ on the client and server.

Each additional port passed 27 mod GameTests and two real client rounds (Fancy and Fabulous, ten scenes each). Multiplayer response isolation is tested with two independent ServerPlayer capture connections; two independent desktop clients have not been tested.

Project description from CurseForge.

Pick your setup

Redstone Debugger by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

21 available setups

Showing the newest 12 of 21 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

Redstone Debugger versions and loaders

21 of 21 releases match

Looking for an older file? The official CurseForge project page is in Resources.