ModsFinder

OpacFixes

by EnVyOnMyMind

OpacFixes is a Forge server addon for Open Parties and Claims that adds admin claim tools, moderation cleanup and safer claim operations.

ForgeServer-side onlyAll rights reserved1.20.1 – 1.20.6

What it does

OpacFixes extends Open Parties and Claims (OPAC) on the server. It adds admin-focused claim management commands, improves chunk forceload reliability on performance-heavy modpacks, and corrects behavior around OPAC workflows. The mod is built specifically for OPAC ecosystems and replaces parts of its default behavior where the addon fixes them.

Open Parties and Claims is a required dependency, so it must be installed on the server alongside OpacFixes. The mod runs on the server side only: players join without installing anything, and the server owner sets the operator and admin options in its configuration.

OpacFixes is published for Forge only, across six release versions 1.20.1 – 1.20.6, with the 1.0 build for 1.20.6 as the latest file. The code is not open source; it is under All rights reserved, though public links to the source exist.

Key features

  1. Admin moderation tools

    Admin commands handle claim cleanup and moderation, so operators can correct claims from the server.

  2. Offline-aware autocomplete

    Claim owner suggestions come from a persistent index, so names of players who are offline still appear in autocomplete.

  3. Confirmation for destructive actions

    Deleting or wiping claims asks for confirmation first, reducing accidental loss of protected land.

  4. Dry-run previews

    A dry-run option reports how many chunks an operation would affect before any claim is changed or removed.

  5. Configurable default permissions

    The default permission level for new claim actions can be set in the server configuration.

Compatibility

Latest build for each game version and loader.

1.20.61.0
1.20.51.0
1.20.41.0
1.20.31.0
1.20.21.0
1.20.11.0
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Open Parties and ClaimsAdds the ability to claim chunks and make player parties, integrates with Xaero's Minimap and World Map
Required

Questions

Does OpacFixes need Open Parties and Claims?

Yes. Open Parties and Claims is a required dependency, and OpacFixes is built to extend it, so both must be installed on the server.

Do players need to install OpacFixes?

No. Players join without it, since only the server has to run the mod. Clients do not need it installed.

Which versions does OpacFixes support?

Files exist for 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5 and 1.20.6, with 1.0 for 1.20.6 as the latest build.

Can a dry run change claims?

No. A dry run only reports how many chunks an operation would affect, so it can be used to check a cleanup before deleting any claims.

In the catalog

OpacFixes is one of 8,016 Management mods on ModsFinder, and one of 2,698 Management mods for Forge. 11,154 mods support Minecraft 1.20.6.

Management mods8,016Forge modsMods for 1.20.611,154

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What the author says

Server-side utility mod for Open Parties and Claims (OPAC) on Minecraft Forge 1.20.1. OpacFixes adds admin-focused claim management commands and improves chunk forceload reliability in performance-heavy modpacks.
EnVyOnMyMind, on the Modrinth page

Official listing

Owner
EnVyOnMyMind
Published
2026-03-13
Updated on Modrinth
2026-03-13
Facts verified
2026-10-15

Tags

ManagementUtility
Open on ModrinthCompare