diff --git a/README.md b/README.md
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| --- | --- |
| Extensible File Thumbnails | A specification for different types of thumbnails in the context of file transfers |
| File Upload Notifications | A specification for telling clients that a file will be sent as soon as it is uploaded |
-| SSO Login | A specification for allowing SSO logins during XMPP authentication |
\ No newline at end of file
+| SSO Login | A specification for allowing SSO logins during XMPP authentication |
+| Communities | A specification for defining loose collections of JIDs similar to Discord servers or Matrix spaces |
diff --git a/xep-xxxx-communities.md b/xep-xxxx-communities.md
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+# Communities
+
+In different instant messaging services, users have the options to create collections of group chat venues that are logically linked
+together.
+
+This XEP is designed in a modular way, similar to [Mediated Information Exchange]. As such, this XEP only provided the basics for such
+groupings.
+
+## Design Requirements
+
+To aid adoption, the following requirements are considered while creating this XEP:
+
+- Basic communities, i.e. grouped links to other JIDs with additional metadata, should work without server support
+- The protocol should be extensible for future evolution
+
+## Basics
+
+A community in XMPP is identified by a JID that "owns" the community. This may be a end-user JID or a server JID. This JID must provide
+a [PubSub](https://xmpp.org/extensions/xep-0060.html) service on which the community's metadata is stored. This XEP proposes a couple of basic nodes, but other XEPs may extend
+this set and provide custom extensions.
+
+A community may be either public, meaning that anyone who knows the JID may join and query information about, or private, meaning that users
+wishing to join MUST be added by an administrator of the community. To accomplish this, public communities SHOULD set all their [PubSub](#) nodes
+to have an access model of "open", while private communities SHOULD set all of their nodes to "whitelist". A future XEP may define a way for
+administrators to pre-authenticate users such that "invite URLs" to users.
+
+### Description
+
+A community's information is described by a `` element containing information about the community.
+
+```xml
+
+ Awesome Community
+ ...
+
+
+```
+
+This element is stored in the `proto:urn:xmpp:community:0:info` [PubSub](https://xmpp.org/extensions/xep-0060.html) node at the bare JID of the community.
+Implementations MUST use an id of "latest" to prevent multiple revisions of existing.
+
+```xml
+
+
+
+ -
+
+ Awesome Community
+ ...
+
+
+
+
+
+
+```
+
+### Channel
+
+Within this XEP, a channel refers to each item within a channel group that should be displayable by the client. This XEP provides
+the `` element which community administrators MAY use to link to items within the XMPP network by its JID.
+
+The defined types are:
+
+- `groupchat`: A joinable group chat (MUC, MIX, ...)
+- `user`: A JID that a one-on-one conversation can be started with
+- `community`: A link to another community as defined per this XEP.
+
+```xml
+
+```
+
+The title attribute describes the function of the channel to the user. The id is used for sorting within a
+channel group. The id MUST consist of only alpha-numeric characters.
+
+### Channel Groups
+
+A channel group is a list of items that should be logically grouped together. This may include group chat venues (MUC, MIX),
+user JIDs (like admins), or other channel groups.
+
+```xml
+
+ Development chats
+
+
+
+
+
+```
+
+Each extension item inside the `` must also carry an id. The id must be unique within its surrounding group, but not the parent or child groups.
+
+A community has a single `proto:urn:xmpp:community:0:groups` [PubSub](https://xmpp.org/extensions/xep-0060.html) node that contains one top-level group called the *root group*. It MAY have a title, but it does not
+have to.
+
+```
+
+
+
+ -
+
+
+
+ Development
+
+
+
+
+ Support
+
+
+
+
+
+
+
+```
+
+# Info
+
+| Key | Value |
+| --- | --- |
+| Author | PapaTutuWawa |
+| Version | 0.1.0 |
+| Short name | cmt |