diff --git a/.forgejo/workflows/deploy-frontend.yml b/.forgejo/workflows/deploy-frontend.yml
index 31bd24ba8d..fdf109c9e7 100644
--- a/.forgejo/workflows/deploy-frontend.yml
+++ b/.forgejo/workflows/deploy-frontend.yml
@@ -61,8 +61,8 @@ jobs:
         working-directory: frontend
         run: pnpm install --frozen-lockfile
 
-      - name: Install rsync
-        run: apt-get update && apt-get install -y rsync
+      - name: Install system dependencies
+        run: apt-get update && apt-get install -y rsync jq
 
       - name: Sync LinkML schemas to frontend
         working-directory: frontend
diff --git a/exa-mcp-server-source b/exa-mcp-server-source
deleted file mode 160000
index 4aeb0543f9..0000000000
--- a/exa-mcp-server-source
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 4aeb0543f9becb95a320dd60c547b86f7134cbe3
diff --git a/mcp-wikidata b/mcp-wikidata
deleted file mode 160000
index 230e0456d2..0000000000
--- a/mcp-wikidata
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 230e0456d25831935c0fa4dfe699c900afd3b6bc