diff --git a/packages/atproto/classifiers/tech/tech-links.ts b/packages/atproto/classifiers/tech/tech-links.ts
index 5a064f8..136d9d9 100644
--- a/packages/atproto/classifiers/tech/tech-links.ts
+++ b/packages/atproto/classifiers/tech/tech-links.ts
@@ -20,5 +20,5 @@ const notInterested = {
 } as const;
 
 const techLinkMatcher = new RegExp(
-  /^https:\/\/(www\.)?(github\.com|developer\.mozilla.org|stackoverflow\.com|serverfault\.com|superuser\.com)/i
+  /^https:\/\/(www\.)?(github\.com|developer\.mozilla.org|stackoverflow\.com|serverfault\.com|superuser\.com|codepen.io|stackblitz.com)/i
 );
diff --git a/packages/jetstream/jetstream.ts b/packages/jetstream/jetstream.ts
index ea2fa00..57f719c 100644
--- a/packages/jetstream/jetstream.ts
+++ b/packages/jetstream/jetstream.ts
@@ -136,7 +136,7 @@ export class Jetstream {
     //console.log(`[jetstream] ${socketId.slice(-6)}: msg`, msg);
 
     if (msg.kind !== "commit") return; // only kind supported atm
-    //if (msg.commit.operation !== "create") return;
+    if (msg.commit.operation !== "create") return;
 
     // TODO: Broke these types being smart - fix tomorrow
 
@@ -146,6 +146,10 @@ export class Jetstream {
         for (const listener of this.listeners.filter(
           (l) => l.event === "post"
         )) {
+          if (!msg.commit.record) {
+            console.warn("Received a post event without record");
+            continue;
+          }
           await listener.cb(toFeedPostWithUri(msg as CommitEvent<CommitPost>));
         }
         break;