diff --git a/package.json b/package.json
index 88b8991f..0dda3f09 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,8 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "postinstall": "xattr -w com.apple.fileprovider.ignore#P 1 node_modules 2>/dev/null || true && node scripts/patch-lightningcss.mjs && node scripts/patch-endpoint-media-scope.mjs && node scripts/patch-endpoint-media-sharp-runtime.mjs && node scripts/patch-frontend-sharp-runtime.mjs && node scripts/patch-endpoint-files-upload-route.mjs && node scripts/patch-endpoint-files-upload-locales.mjs && node scripts/patch-endpoint-activitypub-locales.mjs && node scripts/patch-endpoint-homepage-locales.mjs && node scripts/patch-endpoint-homepage-identity-defaults.mjs && node scripts/patch-federation-unlisted-guards.mjs && node scripts/patch-endpoint-micropub-where-note-visibility.mjs && node scripts/patch-endpoint-podroll-opml-upload.mjs && node scripts/patch-frontend-serviceworker-file.mjs && node scripts/patch-endpoint-comments-locales.mjs && node scripts/patch-endpoint-posts-locales.mjs && node scripts/patch-endpoint-conversations-locales.mjs && node scripts/patch-conversations-collection-guards.mjs && node scripts/patch-indiekit-routes-rate-limits.mjs && node scripts/patch-indiekit-error-production-stack.mjs && node scripts/patch-indieauth-devmode-guard.mjs && node scripts/patch-listening-endpoint-runtime-guards.mjs && node scripts/patch-endpoint-github-changelog-categories.mjs && node scripts/patch-endpoint-blogroll-feeds-alias.mjs && node scripts/patch-endpoint-posts-uid-lookup.mjs && node scripts/patch-conversations-bluesky-self-filter.mjs && node scripts/patch-conversations-bluesky-cursor-fix.mjs && node scripts/patch-endpoint-micropub-source-filter.mjs && node scripts/patch-syndicate-force-checked-default.mjs && node scripts/patch-syndicate-normalize-syndication-array.mjs && node scripts/patch-ap-url-lookup-api.mjs && node scripts/patch-ap-allow-private-address.mjs && node scripts/patch-ap-like-note-dispatcher.mjs && node scripts/patch-ap-like-activity-id.mjs && node scripts/patch-ap-like-activity-dispatcher.mjs && node scripts/patch-ap-url-lookup-api-like.mjs && node scripts/patch-ap-repost-commentary.mjs && node scripts/patch-endpoint-posts-fetch-diagnostic.mjs && node scripts/patch-micropub-fetch-internal-url.mjs && node scripts/patch-webmention-sender-hentry-syntax.mjs && node scripts/patch-webmention-sender-retry.mjs && node scripts/patch-webmention-sender-livefetch.mjs && node scripts/patch-webmention-sender-empty-details.mjs && node scripts/patch-bluesky-syndicator-internal-url.mjs",
-    "serve": "export NODE_ENV=${NODE_ENV:-production} INDIEKIT_DEBUG=${INDIEKIT_DEBUG:-0} && node scripts/preflight-production-security.mjs && node scripts/preflight-mongo-connection.mjs && node scripts/preflight-activitypub-rsa-key.mjs && node scripts/preflight-activitypub-profile-urls.mjs && node scripts/patch-lightningcss.mjs && node scripts/patch-endpoint-media-scope.mjs && node scripts/patch-endpoint-media-sharp-runtime.mjs && node scripts/patch-frontend-sharp-runtime.mjs && node scripts/patch-endpoint-files-upload-route.mjs && node scripts/patch-endpoint-files-upload-locales.mjs && node scripts/patch-endpoint-activitypub-locales.mjs && node scripts/patch-endpoint-homepage-locales.mjs && node scripts/patch-endpoint-homepage-identity-defaults.mjs && node scripts/patch-federation-unlisted-guards.mjs && node scripts/patch-endpoint-micropub-where-note-visibility.mjs && node scripts/patch-endpoint-podroll-opml-upload.mjs && node scripts/patch-frontend-serviceworker-file.mjs && node scripts/patch-endpoint-comments-locales.mjs && node scripts/patch-endpoint-posts-locales.mjs && node scripts/patch-endpoint-conversations-locales.mjs && node scripts/patch-conversations-collection-guards.mjs && node scripts/patch-indiekit-routes-rate-limits.mjs && node scripts/patch-indiekit-error-production-stack.mjs && node scripts/patch-indieauth-devmode-guard.mjs && node scripts/patch-listening-endpoint-runtime-guards.mjs && node scripts/patch-endpoint-github-changelog-categories.mjs && node scripts/patch-microsub-reader-ap-dispatch.mjs && node scripts/patch-endpoint-blogroll-feeds-alias.mjs && node scripts/patch-endpoint-posts-uid-lookup.mjs && node scripts/patch-conversations-bluesky-self-filter.mjs && node scripts/patch-conversations-bluesky-cursor-fix.mjs && node scripts/patch-endpoint-micropub-source-filter.mjs && node scripts/patch-syndicate-force-checked-default.mjs && node scripts/patch-syndicate-normalize-syndication-array.mjs && node scripts/patch-ap-url-lookup-api.mjs && node scripts/patch-ap-allow-private-address.mjs && node scripts/patch-ap-like-note-dispatcher.mjs && node scripts/patch-ap-like-activity-id.mjs && node scripts/patch-ap-like-activity-dispatcher.mjs && node scripts/patch-ap-url-lookup-api-like.mjs && node scripts/patch-ap-repost-commentary.mjs && node scripts/patch-endpoint-posts-fetch-diagnostic.mjs && node scripts/patch-micropub-fetch-internal-url.mjs && node scripts/patch-webmention-sender-hentry-syntax.mjs && node scripts/patch-webmention-sender-retry.mjs && node scripts/patch-webmention-sender-livefetch.mjs && node scripts/patch-webmention-sender-empty-details.mjs && node scripts/patch-bluesky-syndicator-internal-url.mjs && node node_modules/@indiekit/indiekit/bin/cli.js serve --config indiekit.config.mjs",
+    "postinstall": "xattr -w com.apple.fileprovider.ignore#P 1 node_modules 2>/dev/null || true && node scripts/patch-lightningcss.mjs && node scripts/patch-endpoint-media-scope.mjs && node scripts/patch-endpoint-media-sharp-runtime.mjs && node scripts/patch-frontend-sharp-runtime.mjs && node scripts/patch-endpoint-files-upload-route.mjs && node scripts/patch-endpoint-files-upload-locales.mjs && node scripts/patch-endpoint-activitypub-locales.mjs && node scripts/patch-endpoint-homepage-locales.mjs && node scripts/patch-endpoint-homepage-identity-defaults.mjs && node scripts/patch-federation-unlisted-guards.mjs && node scripts/patch-endpoint-micropub-where-note-visibility.mjs && node scripts/patch-endpoint-podroll-opml-upload.mjs && node scripts/patch-frontend-serviceworker-file.mjs && node scripts/patch-endpoint-comments-locales.mjs && node scripts/patch-endpoint-posts-locales.mjs && node scripts/patch-endpoint-conversations-locales.mjs && node scripts/patch-conversations-collection-guards.mjs && node scripts/patch-indiekit-routes-rate-limits.mjs && node scripts/patch-indiekit-error-production-stack.mjs && node scripts/patch-indieauth-devmode-guard.mjs && node scripts/patch-listening-endpoint-runtime-guards.mjs && node scripts/patch-endpoint-github-changelog-categories.mjs && node scripts/patch-endpoint-blogroll-feeds-alias.mjs && node scripts/patch-endpoint-posts-uid-lookup.mjs && node scripts/patch-conversations-bluesky-self-filter.mjs && node scripts/patch-conversations-bluesky-cursor-fix.mjs && node scripts/patch-endpoint-micropub-source-filter.mjs && node scripts/patch-syndicate-force-checked-default.mjs && node scripts/patch-syndicate-normalize-syndication-array.mjs && node scripts/patch-ap-url-lookup-api.mjs && node scripts/patch-ap-allow-private-address.mjs && node scripts/patch-ap-like-note-dispatcher.mjs && node scripts/patch-ap-like-activity-id.mjs && node scripts/patch-ap-like-activity-dispatcher.mjs && node scripts/patch-ap-url-lookup-api-like.mjs && node scripts/patch-ap-repost-commentary.mjs && node scripts/patch-endpoint-posts-fetch-diagnostic.mjs && node scripts/patch-micropub-fetch-internal-url.mjs && node scripts/patch-webmention-sender-hentry-syntax.mjs && node scripts/patch-webmention-sender-retry.mjs && node scripts/patch-webmention-sender-livefetch.mjs && node scripts/patch-webmention-sender-empty-details.mjs && node scripts/patch-bluesky-syndicator-internal-url.mjs && node scripts/patch-ap-remove-federation-diag.mjs",
+    "serve": "export NODE_ENV=${NODE_ENV:-production} INDIEKIT_DEBUG=${INDIEKIT_DEBUG:-0} && node scripts/preflight-production-security.mjs && node scripts/preflight-mongo-connection.mjs && node scripts/preflight-activitypub-rsa-key.mjs && node scripts/preflight-activitypub-profile-urls.mjs && node scripts/patch-lightningcss.mjs && node scripts/patch-endpoint-media-scope.mjs && node scripts/patch-endpoint-media-sharp-runtime.mjs && node scripts/patch-frontend-sharp-runtime.mjs && node scripts/patch-endpoint-files-upload-route.mjs && node scripts/patch-endpoint-files-upload-locales.mjs && node scripts/patch-endpoint-activitypub-locales.mjs && node scripts/patch-endpoint-homepage-locales.mjs && node scripts/patch-endpoint-homepage-identity-defaults.mjs && node scripts/patch-federation-unlisted-guards.mjs && node scripts/patch-endpoint-micropub-where-note-visibility.mjs && node scripts/patch-endpoint-podroll-opml-upload.mjs && node scripts/patch-frontend-serviceworker-file.mjs && node scripts/patch-endpoint-comments-locales.mjs && node scripts/patch-endpoint-posts-locales.mjs && node scripts/patch-endpoint-conversations-locales.mjs && node scripts/patch-conversations-collection-guards.mjs && node scripts/patch-indiekit-routes-rate-limits.mjs && node scripts/patch-indiekit-error-production-stack.mjs && node scripts/patch-indieauth-devmode-guard.mjs && node scripts/patch-listening-endpoint-runtime-guards.mjs && node scripts/patch-endpoint-github-changelog-categories.mjs && node scripts/patch-microsub-reader-ap-dispatch.mjs && node scripts/patch-endpoint-blogroll-feeds-alias.mjs && node scripts/patch-endpoint-posts-uid-lookup.mjs && node scripts/patch-conversations-bluesky-self-filter.mjs && node scripts/patch-conversations-bluesky-cursor-fix.mjs && node scripts/patch-endpoint-micropub-source-filter.mjs && node scripts/patch-syndicate-force-checked-default.mjs && node scripts/patch-syndicate-normalize-syndication-array.mjs && node scripts/patch-ap-url-lookup-api.mjs && node scripts/patch-ap-allow-private-address.mjs && node scripts/patch-ap-like-note-dispatcher.mjs && node scripts/patch-ap-like-activity-id.mjs && node scripts/patch-ap-like-activity-dispatcher.mjs && node scripts/patch-ap-url-lookup-api-like.mjs && node scripts/patch-ap-repost-commentary.mjs && node scripts/patch-endpoint-posts-fetch-diagnostic.mjs && node scripts/patch-micropub-fetch-internal-url.mjs && node scripts/patch-webmention-sender-hentry-syntax.mjs && node scripts/patch-webmention-sender-retry.mjs && node scripts/patch-webmention-sender-livefetch.mjs && node scripts/patch-webmention-sender-empty-details.mjs && node scripts/patch-bluesky-syndicator-internal-url.mjs && node scripts/patch-ap-remove-federation-diag.mjs && node node_modules/@indiekit/indiekit/bin/cli.js serve --config indiekit.config.mjs",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],
diff --git a/scripts/patch-ap-remove-federation-diag.mjs b/scripts/patch-ap-remove-federation-diag.mjs
new file mode 100644
index 00000000..0d4b82f0
--- /dev/null
+++ b/scripts/patch-ap-remove-federation-diag.mjs
@@ -0,0 +1,70 @@
+/**
+ * Patch: remove federation-diag inbox logging from the ActivityPub endpoint.
+ *
+ * The diagnostic block logs every inbox POST to detect federation stalls.
+ * It is no longer needed and produces noise in indiekit.log.
+ */
+
+import { access, readFile, writeFile } from "node:fs/promises";
+
+const candidates = [
+  "node_modules/@rmdes/indiekit-endpoint-activitypub/index.js",
+  "node_modules/@indiekit/indiekit/node_modules/@rmdes/indiekit-endpoint-activitypub/index.js",
+];
+
+const MARKER = "// ap-remove-federation-diag patch";
+
+const OLD_SNIPPET = `      // Diagnostic: log inbox POSTs to detect federation stalls
+      if (req.method === "POST" && req.path.includes("inbox")) {
+        const ua = req.get("user-agent") || "unknown";
+        const bodyParsed = req.body !== undefined && Object.keys(req.body || {}).length > 0;
+        console.info(\`[federation-diag] POST \${req.path} from=\${ua.slice(0, 60)} bodyParsed=\${bodyParsed} readable=\${req.readable}\`);
+      }
+
+      return self._fedifyMiddleware(req, res, next);`;
+
+const NEW_SNIPPET = `      // ap-remove-federation-diag patch
+      return self._fedifyMiddleware(req, res, next);`;
+
+async function exists(filePath) {
+  try {
+    await access(filePath);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+let checked = 0;
+let patched = 0;
+
+for (const filePath of candidates) {
+  if (!(await exists(filePath))) {
+    continue;
+  }
+
+  checked += 1;
+  let source = await readFile(filePath, "utf8");
+
+  if (source.includes(MARKER)) {
+    continue; // already patched
+  }
+
+  if (!source.includes(OLD_SNIPPET)) {
+    console.log(`[postinstall] patch-ap-remove-federation-diag: snippet not found in ${filePath}`);
+    continue;
+  }
+
+  source = source.replace(OLD_SNIPPET, NEW_SNIPPET);
+  await writeFile(filePath, source, "utf8");
+  patched += 1;
+  console.log(`[postinstall] Applied patch-ap-remove-federation-diag to ${filePath}`);
+}
+
+if (checked === 0) {
+  console.log("[postinstall] patch-ap-remove-federation-diag: no target files found");
+} else if (patched === 0) {
+  console.log("[postinstall] patch-ap-remove-federation-diag: already up to date");
+} else {
+  console.log(`[postinstall] patch-ap-remove-federation-diag: patched ${patched}/${checked} file(s)`);
+}