diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44ed933ab24..8f2626236c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
           bash tools/ci/install_dreamchecker.sh
       - name: Run Linters
         run: |
-          find . -name "*.json" -not -path "*/node_modules/*" -print0 | xargs -0 python3 ./tools/ci/json_verifier.py
+          tools/ci/check_json.sh
           tools/ci/build_tgui.sh
           tools/ci/check_grep.sh
           python3 tools/ci/check_line_endings.py
diff --git a/.vscode/settings.json b/.vscode/settings.json
index c7a55cdc20c..ab8b9cdbf62 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,5 +4,20 @@
 	},
 	"gitlens.advanced.blame.customArguments": [
 		"--ignore-revs-file", "${workspaceRoot}/.git-blame-ignore-revs"
-	]
+	],
+	// ESLint settings:
+	"eslint.workingDirectories": [
+		"tgui/"
+	],
+	"eslint.rules.customizations": [
+		// We really want to fail the CI builds on styling errors,
+		// but it's better to show them as yellow squigglies in IDE
+		// and thus differentiate from the red typescript ones which
+		// are actually hard errors.
+		{ "rule": "*", "severity": "warn" }
+	],
+	"eslint.format.enable": true,
+	"[javascript]": {
+		"editor.defaultFormatter": "dbaeumer.vscode-eslint"
+	},
 }
diff --git a/tools/ci/check_json.sh b/tools/ci/check_json.sh
new file mode 100755
index 00000000000..a5e4655d68c
--- /dev/null
+++ b/tools/ci/check_json.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+set -euo pipefail
+
+# We probably could validate literally everything as json5, but let's be cautions for no good reason here.
+find .vscode/ -name "*.json" -print0 | xargs -0 python3 tools/ci/json_verifier.py -5
+find . -name "*.json" -not -path "*/node_modules/*" -and -not -path "./.vscode/*" -print0 | xargs -0 python3 tools/ci/json_verifier.py
diff --git a/tools/ci/install_build_deps.sh b/tools/ci/install_build_deps.sh
index dff6bb4a0d9..9118316d28c 100755
--- a/tools/ci/install_build_deps.sh
+++ b/tools/ci/install_build_deps.sh
@@ -7,4 +7,5 @@ source ~/.nvm/nvm.sh
 nvm install $NODE_VERSION
 nvm use $NODE_VERSION
 npm install --global yarn
+python3 -m pip install json5
 
diff --git a/tools/ci/json_verifier.py b/tools/ci/json_verifier.py
index aa746206674..14167fcb9a5 100644
--- a/tools/ci/json_verifier.py
+++ b/tools/ci/json_verifier.py
@@ -1,5 +1,9 @@
 import sys
-import json
+if sys.argv[1:2] == ["-5"]:
+    import json5 as json
+    sys.argv.pop(1)
+else:
+    import json
 
 if len(sys.argv) <= 1:
     exit(1)