FeatherManager is a lightweight Paper plugin that detects and blocks Feather mods your server. It\u2019s ideal for server owners who want to enforce a clean vanilla\u2014or whitelisted mod\u2014experience and prevent modified launchers from bypassing rules or introducing instability.<\/p>\n
Key features:
\nFast, low-overhead detection of Feather launcher at login.
\nConfigurable block or warn behavior (kick, ban, or just log).
\nCustomizable kick\/warn messages and internationalization-friendly message keys.
\nFine-grained whitelist and blacklist (by client brand string, plugin channel signatures, or handshake data).
\nPer-world and per-permission bypass support.
\nAdmin commands for checking and manually banning\/allowing players.
\nMinimal permissions footprint; integrates with common permission plugins.
\nWorks on Paper (and compatible forks) \u2014 designed to be safe and efficient on production servers.<\/p>\n
How it works:
\nFeatherManager inspects the client handshake and plugin message channels that are exchanged during login (client brand, custom payload markers, and other mod-identifying signals). When a match is found against your configured rules, the plugin applies the configured action (kick\/ban\/warn\/log). Detection is configurable and extensible so you can add new identifiers as launchers evolve.<\/p>\n
Example usage:
\nAutomatically kick players using Feather mods.
\nLog join attempts from Feather Launcher for later review.
\nAllow specific players or groups (via permission) to join despite using Feather launcher.<\/p>\n","protected":false},"excerpt":{"rendered":"
A plugin that allows you to block\/disable feather launcher mods.<\/p>\n","protected":false},"featured_media":69641,"template":"","meta":{"_minecraft_slug":"feather-manager","_minecraft_project_id":"QdoGqHmF","_minecraft_author":"Alexandru_moga","_minecraft_license":"LicenseRef-All-Rights-Reserved","_minecraft_downloads":31,"_minecraft_follows":0,"_minecraft_client_side":"unsupported","_minecraft_server_side":"required","_minecraft_storage_type":"zip","_minecraft_archive_name":"feather-manager.zip","_minecraft_size_bytes":62220,"_minecraft_version_count":2,"_minecraft_updated_at":"2026-05-15T22:08:47.416472Z","_minecraft_date_created":"2025-11-18T00:03:10.933132Z","_minecraft_date_modified":"2025-11-13T10:31:12.289099Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/feather-manager","_minecraft_icon_attachment_id":69641,"_minecraft_imported_at":"2026-06-03T23:17:00+00:00","_minecraft_import_hash":"38ba3bb119efe38b45f9d9205c56e350","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[124,126,90,127,92],"mod_loader":[130,132],"minecraft_version":[62,37,40,73,74,38,78,79,80,81,82],"class_list":["post-69640","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-bukkit","mod_category-management","mod_category-optimization","mod_category-paper","mod_category-utility","mod_loader-bukkit","mod_loader-paper","minecraft_version-1-21","minecraft_version-1-21-1","minecraft_version-1-21-10","minecraft_version-1-21-2","minecraft_version-1-21-3","minecraft_version-1-21-4","minecraft_version-1-21-5","minecraft_version-1-21-6","minecraft_version-1-21-7","minecraft_version-1-21-8","minecraft_version-1-21-9"],"yoast_head":"\n