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WATCHCRAFT
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WATCHCRAFT

Java mod listed for Minecraft 1.21. Download on the author's site.

⬇ Download on Spigot
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A clearer view. A calmer team.
Paper 1.21.4 · Java 21 · 0.1.0 beta
English (default) · Polish · German[/center]

WatchCraft puts a moderation workspace inside your Paper server. One JAR starts the website and API with your server: player profiles, notes, review cases, team roles and browser-rendered 3D.

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Observe with context
Open an online player's profile and start the 3D view. The browser reconstructs bounded server snapshots with simplified textures, nearby entities and equipment.
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Production WatchCraft UI/renderer with a synthetic demo world and sample players. This is a feature demonstration, not a client-screen recording or a load benchmark.

Player profiles and shared reviews
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Invite your team
Create the owner account during first setup. Choose Viewer, Moderator or Administrator, generate a link and send it privately. Your teammate sets their own login/password. Links are single-use and valid for 24 hours.

The API enforces roles. Moderators cannot ban; Administrator or Owner is required. Only Owner manages team accounts and deployment settings. Role changes and account disabling invalidate previous sessions. Web roles do not grant Minecraft OP.

Installation
  1. Use Paper 1.21.4 and Java 21.
  2. Put WatchCraft-0.1.0.jar in plugins/ and restart normally.
  3. Run /watchcraft web and open the panel.
  4. Complete /setup with an owner login/password and the private code from plugins/WatchCraft/panel-access.txt.
  5. Invite the team and start observing an online player.
No separate Node.js backend, external database, observer bot or additional plugin is required. A modern WebGL-capable browser is needed for 3D.

Hosting: Default bind is 127.0.0.1:8123, local to the server machine. Remote access and invitation links need a hosting-allocated port and an HTTPS reverse proxy/domain. UI domain/iframe choices do not create DNS, TLS or port allocations. Browser third-party-cookie policies may require using the panel in its own tab.

Commands and permissions
Code (Text):
/watchcraft status
/watchcraft web
/watchcraft web reset
/watchcraft info
Permission: watchcraft.admin (default OP). Keep setup/recovery codes private; use invitation links for moderators.

Requirements and limits
Requires Paper 1.21.4 / Java 21. Plain Spigot, CraftBukkit, Folia and other versions are not verified.

This beta supports manual review; it does not automatically prove cheating. It reconstructs server data, not the player's screen, original skin, client mods, exact lighting or resource packs. F3 is WatchCraft diagnostics. A self-service password-change/reset form is not included; private owner recovery access is available.

Defaults: 3 distinct targets, 3x3 chunks, up to 3 vertical sections and 24 nearby entities per target. Shared caches and tick-budget checks bound work; the browser renders. There is no zero-lag guarantee. 1,000 players / 10 moderators have not been load-tested.

Source & downloads · Installation guide · Release files & SHA-256
Quick facts

Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.

WATCHCRAFT is a free Minecraft Java mod. Compatible with Minecraft 1.21. Downloaded 8 times (via Spigot). Download it and open it directly in the game.

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