This is a discussion thread for [FEP-5219: Groups and permissions](https://codeberg.org/fediverse/fep/src/branch/main/fep/5219/fep-5219.md )
**Summary**
This document describes a permission system for ActivityPub groups.
It is inspired by [XEP-0045: Multi-User Chat](https://xmpp.org/extensions/xep-0045.html ), which defines a comprehensive permission system for XMPP group chats.
silverpill
npub148…sarn0
2026-08-12 14:24:37 UTC
Author Public Key
npub1482afr3a2z2m9ms0e33w6hyjy8tmtrq0ya838w369n89xgjp4ktqqsarn0Seen on
wss://relay.momostr.pinkPublished at
2026-08-12 14:24:37 UTCEvent JSON
{
"id": "46d8c3ea4ffa58d3e740d3c3dcadeb326993fa4eb875ecb90e6fcc522673b89a",
"pubkey": "a9d5d48e3d5095b2ee0fcc62ed5c9221d7b58c0f274f13ba3a2cce532241ad96",
"created_at": 1786544677,
"kind": 1,
"tags": [
[
"proxy",
"https://socialhub.activitypub.rocks/t/fep-5219-groups-and-permissions/8855/1",
"web"
],
[
"proxy",
"https://socialhub.activitypub.rocks/ap/object/8c8e1fa53224436f377b9de5cab014de",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
"l",
"pink.momostr.activitypub:https://socialhub.activitypub.rocks/ap/object/8c8e1fa53224436f377b9de5cab014de",
"pink.momostr"
],
[
"-"
]
],
"content": "This is a discussion thread for [FEP-5219: Groups and permissions](https://codeberg.org/fediverse/fep/src/branch/main/fep/5219/fep-5219.md )\n\n**Summary**\n\nThis document describes a permission system for ActivityPub groups.\n\nIt is inspired by [XEP-0045: Multi-User Chat](https://xmpp.org/extensions/xep-0045.html ), which defines a comprehensive permission system for XMPP group chats.",
"sig": "afe267f26053538f0cb45aa80ac0374d538dd13c9ef7b8cc039fd02c76826ebaa74bee46ee20b46b174e887dff370f738d22ad6f72f5d328fc9fe17fca76003d"
}