From 648d57dae5531a0b05eb524e774e85eaae15b461 Mon Sep 17 00:00:00 2001
From: DJCheesusReal <134006619+DJCheesusReal@users.noreply.github.com>
Date: Sun, 17 May 2026 17:10:16 +0100
Subject: [PATCH] Add modrinth://launch deep link to start a profile

Support external profile launching via modrinth://launch/{profile_path} for integrations such as Stream Deck.

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 apps/app-frontend/src/App.vue       | 4 +++-
 packages/app-lib/src/api/handler.rs | 4 ++++
 packages/app-lib/src/event/mod.rs   | 3 +++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/apps/app-frontend/src/App.vue b/apps/app-frontend/src/App.vue
index 1939fa8787..8a65395b05 100644
--- a/apps/app-frontend/src/App.vue
+++ b/apps/app-frontend/src/App.vue
@@ -98,7 +98,7 @@ import { get_user, get_version } from '@/helpers/cache.js'
 import { command_listener, warning_listener } from '@/helpers/events.js'
 import { cancelLogin, get as getCreds, login, logout } from '@/helpers/mr_auth.ts'
 import { create_profile_and_install_from_file } from '@/helpers/pack'
-import { list } from '@/helpers/profile.js'
+import { list, run } from '@/helpers/profile.js'
 import { mergeUrlQuery, parseModrinthLink } from '@/helpers/project-links.ts'
 import { get as getSettings, set as setSettings } from '@/helpers/settings.ts'
 import { get_opening_command, initialize_state } from '@/helpers/state'
@@ -796,6 +796,8 @@ async function handleCommand(e) {
 				source: 'CreationModalFileDrop',
 			})
 		}
+	} else if (e.event === 'LaunchProfile') {
+		await run(e.path).catch(handleError)
 	} else if (e.event === 'InstallServer') {
 		await router.push(`/project/${e.id}`)
 		await playServerProject(e.id).catch(handleError)
diff --git a/packages/app-lib/src/api/handler.rs b/packages/app-lib/src/api/handler.rs
index 500aaeb385..16a9a9fd03 100644
--- a/packages/app-lib/src/api/handler.rs
+++ b/packages/app-lib/src/api/handler.rs
@@ -28,6 +28,10 @@ pub async fn handle_url(sublink: &str) -> crate::Result<CommandPayload> {
         Some(("server", id)) => {
             CommandPayload::InstallServer { id: id.to_string() }
         }
+        // /launch/{id}   -    Launches a profile
+        Some(("launch", id)) => CommandPayload::LaunchProfile {
+            path: id.to_string(),
+        },
         _ => {
             emit_warning(&format!(
                 "Invalid command, unrecognized path: {sublink}"
diff --git a/packages/app-lib/src/event/mod.rs b/packages/app-lib/src/event/mod.rs
index f570d78a9a..1f642466a4 100644
--- a/packages/app-lib/src/event/mod.rs
+++ b/packages/app-lib/src/event/mod.rs
@@ -212,6 +212,9 @@ pub enum CommandPayload {
     InstallServer {
         id: String,
     },
+    LaunchProfile {
+        path: String,
+    },
     RunMRPack {
         // run or install .mrpack
         path: PathBuf,