diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 74a2f00..8e43a56 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,3 +1,7 @@
 {
-  "recommendations": ["esbenp.prettier-vscode", "GitHub.vscode-github-actions"]
+  "recommendations": [
+    "esbenp.prettier-vscode",
+    "GitHub.vscode-github-actions",
+    "unifiedjs.vscode-mdx"
+  ]
 }
diff --git a/README.md b/README.md
index e3de98a..cb0e22e 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,6 @@ Deploy it to the cloud with [Vercel](https://vercel.com/new?utm_source=github&ut
 - [ ] There's an error with `'` and `"` in Prism code blocks of unknown language
 - [ ] Make `code` blocks more legible
 - [ ] Nicer component for loading images in MDX?
-- [ ] Actual dev env support for MDX
 - [ ] Line numbers in code blocks
 - [ ] Code block highlights
 - [ ] Code block styles for CLI