diff --git a/deno.jsonc b/deno.jsonc
index a579f65..d646c9d 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -22,6 +22,7 @@
     "@imagemagick/magick-wasm": "npm:@imagemagick/magick-wasm@^0.0.40",
     "@kysely/kysely": "jsr:@kysely/kysely@^0.28.16",
     "@preact/signals": "npm:@preact/signals@^2.9.0",
+    "@std/async": "jsr:@std/async@^1.3.0",
     "@std/encoding": "jsr:@std/encoding@^1.0.10",
     "@std/http": "jsr:@std/http@^1.1.0",
     "@subframe7536/iconv-lite": "npm:@subframe7536/iconv-lite@^0.8.1",
diff --git a/deno.lock b/deno.lock
index 0b33140..f201030 100644
--- a/deno.lock
+++ b/deno.lock
@@ -9,8 +9,10 @@
     "jsr:@fresh/core@^2.3.3": "2.3.3",
     "jsr:@fresh/plugin-vite@^1.1.2": "1.1.2",
     "jsr:@kysely/kysely@~0.28.16": "0.28.16",
+    "jsr:@std/async@^1.3.0": "1.3.0",
     "jsr:@std/bytes@^1.0.6": "1.0.6",
     "jsr:@std/cli@^1.0.29": "1.0.29",
+    "jsr:@std/data-structures@^1.0.11": "1.0.11",
     "jsr:@std/dotenv@~0.225.5": "0.225.6",
     "jsr:@std/encoding@^1.0.10": "1.0.10",
     "jsr:@std/fmt@^1.0.10": "1.0.10",
@@ -138,12 +140,21 @@
     "@kysely/kysely@0.28.16": {
       "integrity": "b620bf5d8dc892cb30419aaaef62f0f1ba1846a30eaa45f882ec20183b88a18b"
     },
+    "@std/async@1.3.0": {
+      "integrity": "80485538a4f7baaa46bfe2246168069e02ed142b9f9079cd164f43bb060ad9e9",
+      "dependencies": [
+        "jsr:@std/data-structures"
+      ]
+    },
     "@std/bytes@1.0.6": {
       "integrity": "f6ac6adbd8ccd99314045f5703e23af0a68d7f7e58364b47d2c7f408aeb5820a"
     },
     "@std/cli@1.0.29": {
       "integrity": "fa4ef29130baa834d8a13b7d138240c3a2fcfba740bfb7afa646a360a15ec84f"
     },
+    "@std/data-structures@1.0.11": {
+      "integrity": "53b98ed7efa61f107dfc14244bd2ec5557f7f7ee0bbaef6d449d7937facacb89"
+    },
     "@std/dotenv@0.225.6": {
       "integrity": "1d6f9db72f565bd26790fa034c26e45ecb260b5245417be76c2279e5734c421b"
     },
@@ -1757,6 +1768,7 @@
       "jsr:@fresh/core@^2.3.3",
       "jsr:@fresh/plugin-vite@^1.1.2",
       "jsr:@kysely/kysely@~0.28.16",
+      "jsr:@std/async@^1.3.0",
       "jsr:@std/encoding@^1.0.10",
       "jsr:@std/http@^1.1.0",
       "npm:@atcute/atproto@^3.1.11",
diff --git a/src/service/jestream.ts b/src/service/jestream.ts
index 0168aea..5daec74 100644
--- a/src/service/jestream.ts
+++ b/src/service/jestream.ts
@@ -6,6 +6,7 @@ import {
 } from "@atcute/bluesky"
 import { JetstreamSubscription } from "@atcute/jetstream"
 import { type Did, is } from "@atcute/lexicons"
+import { debounce } from "@std/async"
 import { buildAtProtoUri } from "../lib/atProto.ts"
 import { config } from "../lib/config.ts"
 import { uploadImages } from "../lib/image.ts"
@@ -20,19 +21,19 @@ import { client } from "../traq/client.gen.ts"
 import { postMessage } from "../traq/index.ts"
 import { MessageBuilder } from "./messageBuilder.ts"
 
+const UPDATE_CURSOR_DEBOUNCE_MS = 30000
+
 client.setConfig({
   baseUrl: `${config.traqBaseUrl}/api/v3`,
 })
 
 export class JetstreamService {
   private subscription: JetstreamSubscription
-  private cursor?: number
   private readonly subscribingDids: Did[]
   private stopResolve?: () => void
   private loopPromise?: Promise<void>
 
   constructor(opts: { wantedDids: Did[]; cursor?: number }) {
-    this.cursor = opts.cursor
     this.subscribingDids = opts.wantedDids
     this.subscription = new JetstreamSubscription({
       url: [
@@ -47,6 +48,11 @@ export class JetstreamService {
     })
   }
 
+  private updateCursor = debounce(
+    saveJetstreamCursor,
+    UPDATE_CURSOR_DEBOUNCE_MS,
+  )
+
   private async runLoop(): Promise<void> {
     const stopPromise = new Promise<void>((resolve) => {
       this.stopResolve = resolve
@@ -73,7 +79,8 @@ export class JetstreamService {
         const event = result.value
 
         if (event.kind !== "commit" || event.commit.operation !== "create") {
-          this.cursor = event.time_us
+          console.debug("Skipping non-create commit event", event.did)
+          this.updateCursor(event.time_us)
 
           continue
         }
@@ -81,8 +88,7 @@ export class JetstreamService {
         try {
           if (!is(AppBskyFeedPost.mainSchema, event.commit.record)) {
             console.warn("Invalid record", event.commit.record)
-
-            this.cursor = event.time_us
+            this.updateCursor(event.time_us)
 
             continue
           }
@@ -102,8 +108,7 @@ export class JetstreamService {
             console.warn(
               `Skipping post ${atProtoUri} because it has video or is not a self thread`,
             )
-
-            this.cursor = event.time_us
+            this.updateCursor(event.time_us)
 
             continue
           }
@@ -112,8 +117,10 @@ export class JetstreamService {
 
           if (traqMessageId) {
             // This message is already posted to traQ
-
-            this.cursor = event.time_us
+            console.warn(
+              `Skipping post ${atProtoUri} because it is already posted to traQ with message ID ${traqMessageId}`,
+            )
+            this.updateCursor(event.time_us)
 
             continue
           }
@@ -175,8 +182,8 @@ export class JetstreamService {
             atProtoUri,
             traqMessageId: data.id,
           })
-
-          this.cursor = event.time_us
+          console.info(`Posted message for post ${atProtoUri} to traQ`)
+          this.updateCursor(event.time_us)
         } catch (err) {
           console.error("Error handling Jetstream event:", err)
         }
@@ -198,9 +205,6 @@ export class JetstreamService {
   async close() {
     this.stopResolve?.()
     await this.loopPromise
-
-    if (this.cursor) {
-      await saveJetstreamCursor(this.cursor)
-    }
+    this.updateCursor.flush()
   }
 }