diff --git a/packages/app/server/routes/publish.post.ts b/packages/app/server/routes/publish.post.ts
index 0c5022ac..746cf9ef 100644
--- a/packages/app/server/routes/publish.post.ts
+++ b/packages/app/server/routes/publish.post.ts
@@ -36,7 +36,9 @@ export default eventHandler(async (event) => {
   }
   const runId = Number(runIdHeader);
   const workflowsBucket = useWorkflowsBucket(event);
+  const debugBucket = useDebugBucket(event);
   const workflowData = await workflowsBucket.getItem(key);
+  const webhookDebugData = await debugBucket.getItem(key);
 
   if (!workflowData) {
     throw createError({
@@ -323,6 +325,7 @@ export default eventHandler(async (event) => {
       workflowData,
       key,
       runId,
+      webhookDebug: webhookDebugData,
     },
   };
 });
diff --git a/packages/app/server/routes/webhook.post.ts b/packages/app/server/routes/webhook.post.ts
index 05425acb..2e2504bc 100644
--- a/packages/app/server/routes/webhook.post.ts
+++ b/packages/app/server/routes/webhook.post.ts
@@ -1,6 +1,6 @@
 import type { PullRequestEvent } from "@octokit/webhooks-types";
 import type { HandlerFunction } from "@octokit/webhooks/dist-types/types";
-import type { PullRequestData, WorkflowData } from "../types";
+import type { PullRequestData, WorkflowData, WebhookDebugData } from "../types";
 import { hash } from "ohash";
 
 // mark a PR as a PR :)
@@ -16,6 +16,7 @@ export default eventHandler(async (event) => {
   const { test } = useRuntimeConfig(event);
   const workflowsBucket = useWorkflowsBucket(event);
   const pullRequestNumbersBucket = usePullRequestNumbersBucket(event);
+  const debugBucket = useDebugBucket(event);
 
   const workflowHandler: HandlerFunction<"workflow_run", unknown> = async ({
     payload,
@@ -51,9 +52,8 @@ export default eventHandler(async (event) => {
         await pullRequestNumbersBucket.hasItem(oldPrDataHash);
 
       const isPullRequest = isNewPullRequest || isOldPullRequest;
-      const prNumber = await pullRequestNumbersBucket.getItem(
-        isNewPullRequest ? prKey : oldPrDataHash,
-      );
+      const lookupKey = isNewPullRequest ? prKey : oldPrDataHash;
+      const prNumber = await pullRequestNumbersBucket.getItem(lookupKey);
 
       const data: WorkflowData = {
         owner,
@@ -64,6 +64,27 @@ export default eventHandler(async (event) => {
 
       // Publishing is only available throughout the lifetime of a workflow_job
       await workflowsBucket.setItem(hashKey, data);
+
+      const debugData: WebhookDebugData = {
+        action: payload.action,
+        head_branch: payload.workflow_run.head_branch,
+        head_repository_full_name:
+          payload.workflow_run.head_repository?.full_name || null,
+        full_name: payload.repository.full_name,
+
+        isPullRequest,
+        prNumber,
+        prNumberType: typeof prNumber,
+        isNewPullRequest,
+        isOldPullRequest,
+
+        prKey,
+        oldPrDataHash,
+        lookupKey,
+        data,
+      };
+
+      await debugBucket.setItem(hashKey, debugData);
     }
   };
 
diff --git a/packages/app/server/types.ts b/packages/app/server/types.ts
index 5265709a..b99e35f7 100644
--- a/packages/app/server/types.ts
+++ b/packages/app/server/types.ts
@@ -14,3 +14,22 @@ export interface Cursor {
   timestamp: number;
   sha: string;
 }
+
+export interface WebhookDebugData {
+  webhookAction: string;
+  originalHeadBranch: string | null;
+  originalHeadRepository: string | null;
+  originalRepositoryFullName: string | null;
+
+  isPullRequest: boolean;
+  prNumber: number | null;
+  prNumberType: string;
+  isNewPullRequest: boolean;
+  isOldPullRequest: boolean;
+
+  prKey: string;
+  oldPrDataHash: string;
+  lookupKey: string;
+
+  finalWorkflowData: WorkflowData;
+}
diff --git a/packages/app/server/utils/bucket.ts b/packages/app/server/utils/bucket.ts
index 76160d8b..1dd5c1b5 100644
--- a/packages/app/server/utils/bucket.ts
+++ b/packages/app/server/utils/bucket.ts
@@ -1,5 +1,5 @@
 import type { H3EventContext } from "h3";
-import type { Cursor, WorkflowData } from "../types";
+import type { Cursor, WorkflowData, WebhookDebugData } from "../types";
 import { createStorage, joinKeys, prefixStorage } from "unstorage";
 import cloudflareR2BindingDriver from "unstorage/drivers/cloudflare-r2-binding";
 import { getR2Binding } from "unstorage/drivers/utils/cloudflare";
@@ -112,3 +112,11 @@ usePullRequestNumbersBucket.base = joinKeys(
   useBucket.base,
   usePullRequestNumbersBucket.key,
 );
+
+export function useDebugBucket(event: Event) {
+  const storage = useBucket(event);
+  return prefixStorage<WebhookDebugData>(storage, useDebugBucket.key);
+}
+
+useDebugBucket.key = "debug";
+useDebugBucket.base = joinKeys(useBucket.base, useDebugBucket.key);