This is like a #feature - Development topic, not sure which one it should be in. Is there a way to modify site settings in a plugin? I’m 99% sure there isn’t, but I’d just like to confirm that. If there isn’t, can I put forward a suggestion to not make it immutable? Or perhaps, having some API or…

Although that is perfectly possible from a technical point of view, I think the approach would be over complicated, especially since “at the start” is hard to define/detect, and you want to avoid that the plugin keeps adding B back after the site admin removed it. Also, when a new private category i…

[image] NateDhaliwal: Is there a way to modify site settings in a plugin? I’m 99% sure there isn’t, but I’d just like to confirm that. Do you just want to change the value of site settings? Just do SiteSetting.whatever='new value. Or do you want to change something about them? [image] Nat…

[image] NateDhaliwal: A possible use case I’m looking at is to the include a list of protected categories to a setting such that it’s easier for the admin to include/exclude them. Let’s start here and work outside in. Can you first describe the use case from the point of view of the communit…

@mcwumbly @pfaffman Thanks for telling me about [image] pfaffman: SiteSetting.whatever='new value I wrongly assumed that since settings are ummutable in TCs, they are also as such in plugins in Ruby. I’ll give that a shot. It would be nice to make them editable in TCs. My use case (which I …

[image] NateDhaliwal: I wrongly assumed that since settings are ummutable in TCs, they are also as such in plugins in Ruby. I’ll give that a shot. If you’re logged in as an admin then a theme component could change siteSettings via the API. [image] NateDhaliwal: but would not like to inc…

[image] NateDhaliwal: My use case (which I am using a plugin for now) is that I take all topics and posts in all categories by default and do some stuff with them, but would not like to include protected categories (like a excluded_categories setting). I would still love to know more. Are yo…

@mcwumbly @pfaffman Okay, let me try to explain this as much as possible. I am developing a plugin that takes topics and posts and publishes them to GitHub as Markdown files (like an archive). However, I would not like to include private categories (I think now that’s the correct term?) in this, s…

Bear with me. I still want to understand better from the perspective of the community team what problem you’re trying to solve. [image] NateDhaliwal: I am developing a plugin that takes topics and posts and publishes them to GitHub as Markdown files (like an archive). What kind of community…

It’s not really about the community. I’m taking a shot at this (with a backfill job as well) in my own way. This saves each topic and post as a Markdown file in a repo.

[image] NateDhaliwal: However, I would not like to include private categories (I think now that’s the correct term?) in this, since they are ‘private’. I still don’t know what private means to you. Does it mean that you want only categories that are visible to everyone, or to anonymous users?…

I mean categories like #staff, and others that are limited by groups. I think it’s possible with a plugin, but I guess TC settings can’t be mutable then? I mean, that’s probably irrelevant to my original query now I guess.

Modifier SiteSettings/rendre SiteSettings modifiable ?

Dev

mcwumbly (Dave McClure) Novembre 29, 2025, 1:49 19

J’ai également mis à jour le titre pour mieux décrire le sujet réel de cette discussion.

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Developing Discourse Plugins - Part 3 - Add custom site settings Developer Guides plugin-guides , tutorial	39	23866	Mars 15, 2025
Discourse Category Lockdown Plugin pavilion	115	13605	Mai 31, 2026
Pre-Seeded Site Feedback Category - Allow Modifying Security Rules Feature	15	1264	Juillet 31, 2020
Private Topics Plugin Plugin	108	5877	Avril 22, 2026
Exclude category from latest Support	28	160	Mai 29, 2026

Modifier SiteSettings/rendre SiteSettings modifiable ?

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