diff --git a/scripts/start-cron.ts b/scripts/crons.ts
similarity index 72%
rename from scripts/start-cron.ts
rename to scripts/crons.ts
index 0703ed2..93739e1 100644
--- a/scripts/start-cron.ts
+++ b/scripts/crons.ts
@@ -3,14 +3,14 @@
 
 // async function main() {
 //   const client = new Client({
-//     apiUrl: "ADD_URL_HERE",
+//     apiUrl: process.env.LANGGRAPH_API_URL,
 //   });
 
 //   const res = await client.crons.create("ingest_data", {
 //     schedule: "0 0 * * *",
 //     config: {
 //       configurable: {
-//         slackChannelId: "",
+//         slackChannelId: "C06BU7XF5S7",
 //         maxDaysHistory: 1,
 //       }
 //     },
@@ -28,7 +28,7 @@
 
 // async function backfill() {
 // const client = new Client({
-//   apiUrl: "ADD_URL_HERE",
+//   apiUrl: process.env.LANGGRAPH_API_URL,
 // });
 
 //   const thread = await client.threads.create();
@@ -47,11 +47,23 @@
 
 // backfill().catch(console.error);
 
+// async function listCrons() {
+//   const client = new Client({
+//     apiUrl: process.env.LANGGRAPH_API_URL,
+//   });
+
+//   const crons = await client.crons.search();
+//   console.log("Crons");
+//   console.log(crons)
+// }
+
+// listCrons().catch(console.error);
+
 // async function deleteCron() {
-//   const cronId = ""
+//   const cronId = "1efb9c04-6dec-6ab7-842e-a4cdf7eddf44"
 
 //   const client = new Client({
-//     apiUrl: "ADD_URL_HERE",
+//     apiUrl: process.env.LANGGRAPH_API_URL,
 //   });
 
 //   await client.crons.delete(cronId);
diff --git a/scripts/invoke-graph.ts b/scripts/invoke-graph.ts
new file mode 100644
index 0000000..d3ea555
--- /dev/null
+++ b/scripts/invoke-graph.ts
@@ -0,0 +1,24 @@
+import "dotenv/config";
+import { Client } from "@langchain/langgraph-sdk";
+
+async function invokeGraph() {
+  const repoUrl = "";
+
+  const client = new Client({
+    apiUrl: process.env.LANGGRAPH_API_URL,
+  });
+
+  const { thread_id } = await client.threads.create();
+  await client.runs.create(thread_id, "generate_post", {
+    input: {
+      links: [repoUrl],
+    },
+    config: {
+      configurable: {
+        twitterUserId: process.env.TWITTER_USER_ID,
+      },
+    },
+  });
+}
+
+invokeGraph().catch(console.error);
diff --git a/src/agents/upload-post/index.ts b/src/agents/upload-post/index.ts
index 086d51b..fb87160 100644
--- a/src/agents/upload-post/index.ts
+++ b/src/agents/upload-post/index.ts
@@ -10,31 +10,22 @@ import { imageUrlToBuffer } from "../utils.js";
 import { CreateMediaRequest } from "../../clients/twitter/types.js";
 
 async function getMediaFromImage(image?: {
-  buffer?: Buffer;
-  imageUrl?: string;
+  imageUrl: string;
   mimeType: string;
 }): Promise<CreateMediaRequest | undefined> {
-  if (image?.buffer) {
-    return {
-      media: image.buffer,
-      mimeType: image.mimeType,
-    };
-  } else if (image?.imageUrl) {
-    const { buffer, contentType } = await imageUrlToBuffer(image.imageUrl);
-    return {
-      media: buffer,
-      mimeType: contentType,
-    };
-  }
-  return undefined;
+  if (!image) return undefined;
+  const { buffer, contentType } = await imageUrlToBuffer(image.imageUrl);
+  return {
+    media: buffer,
+    mimeType: contentType,
+  };
 }
 
 const UploadPostAnnotation = Annotation.Root({
   post: Annotation<string>,
   image: Annotation<
     | {
-        buffer?: Buffer;
-        imageUrl?: string;
+        imageUrl: string;
         mimeType: string;
       }
     | undefined