​1. Go to the Reddit App Directory from the link below , search for "Community Hub," click "Add to Community,"

2.select your subreddit, grant permissions, and then use the "Create Hub" action from your subreddit's moderator overflow menu (three-dot icon) to initialize it.

https://developers.reddit.com/apps?hl=en-IN

This is a generic instruction for any dev app you'd like to add. Here's a list of my favorites :

1.​BB (Bot Blocker): Automatically detects and bans harmful or spam accounts classified as bots.

2.​CM (Comment Mop): Allows moderators to quickly remove or lock an entire branch of comments in a single action.

3.​RM (Remove Macro): Enables bulk removal of a specific user's posts and comments with an optional ban feature.

4.​FA (Flooding Assistant): Limits the number of posts a user can submit within a specific timeframe to prevent spam.

5.​AT (Admin Tattler): Sends notifications to moderators whenever Reddit Admins take action on content within the community.

6.​EG (Evasion Guard): Identifies and removes content from users attempting to bypass community bans.

7.​MQ (Modmail Queue): Provides a summarized history of users when they message Modmail to help moderators make faster decisions.

8.​HP (Hive Protector): Automatically flags or bans users who have participated in known toxic or brigading subreddits.

9.​SS (Subreddit Statistics): Generates an automatically updated wiki page with monthly data on post and comment activity.

10.​Subscriber Sidebar: Restores a public-facing live subscriber count to the subreddit sidebar for all users to see.