diff --git a/apps/skit/src/auth/handlers.rs b/apps/skit/src/auth/handlers.rs
index 0ea4ab3d..5dfbafca 100644
--- a/apps/skit/src/auth/handlers.rs
+++ b/apps/skit/src/auth/handlers.rs
@@ -27,6 +27,7 @@ use tower::limit::ConcurrencyLimitLayer;
 
 const AUTH_MAX_BODY_BYTES: usize = 64 * 1024;
 const AUTH_MAX_CONCURRENCY: usize = 64;
+const RELOAD_KEYS_MAX_CONCURRENCY: usize = 1;
 
 /// Request body for login endpoint.
 #[derive(Debug, Deserialize)]
@@ -508,7 +509,8 @@ pub fn auth_router() -> axum::Router<Arc<AppState>> {
         )
         .route(
             "/reload-keys",
-            post(reload_keys_handler).layer(ConcurrencyLimitLayer::new(AUTH_MAX_CONCURRENCY)),
+            post(reload_keys_handler)
+                .layer(ConcurrencyLimitLayer::new(RELOAD_KEYS_MAX_CONCURRENCY)),
         );
 
     #[cfg(feature = "moq")]
diff --git a/docs/public/registry/plugins/parakeet/0.3.0/manifest.json b/docs/public/registry/plugins/parakeet/0.3.0/manifest.json
index ea3af355..be0c2381 100644
--- a/docs/public/registry/plugins/parakeet/0.3.0/manifest.json
+++ b/docs/public/registry/plugins/parakeet/0.3.0/manifest.json
@@ -8,6 +8,7 @@
   "description": "Fast speech-to-text using NVIDIA Parakeet TDT via sherpa-onnx",
   "license": "MPL-2.0",
   "homepage": "https://huggingface.co/nvidia/parakeet-tdt-0.6b-v3",
+  "repository": "https://github.com/streamer45/streamkit",
   "entrypoint": "libparakeet.so",
   "bundle": {
     "url": "https://github.com/streamer45/streamkit/releases/download/plugin-parakeet-v0.3.0/parakeet-0.3.0-bundle.tar.zst",
diff --git a/scripts/marketplace/build_registry.py b/scripts/marketplace/build_registry.py
index 26f55e6f..b48644bc 100644
--- a/scripts/marketplace/build_registry.py
+++ b/scripts/marketplace/build_registry.py
@@ -170,7 +170,7 @@ def build_manifest(
         "license": plugin.get("license"),
         "license_url": plugin.get("license_url"),
         "homepage": plugin.get("homepage"),
-        "repository": plugin.get("repository"),
+        "repository": plugin.get("repo"),
         "entrypoint": plugin["entrypoint"],
         "bundle": bundle_block,
         "compatibility": plugin.get("compatibility"),
diff --git a/scripts/marketplace/check_registry_versions.py b/scripts/marketplace/check_registry_versions.py
index 4a228569..ed65c921 100644
--- a/scripts/marketplace/check_registry_versions.py
+++ b/scripts/marketplace/check_registry_versions.py
@@ -49,7 +49,7 @@ def build_manifest_from_plugin(plugin: dict, bundle_block: dict | None) -> dict:
         "license": plugin.get("license"),
         "license_url": plugin.get("license_url"),
         "homepage": plugin.get("homepage"),
-        "repository": plugin.get("repository"),
+        "repository": plugin.get("repo"),
         "entrypoint": plugin["entrypoint"],
         "bundle": bundle_block,
         "compatibility": plugin.get("compatibility"),
diff --git a/scripts/marketplace/test_build_registry.py b/scripts/marketplace/test_build_registry.py
new file mode 100644
index 00000000..c375473b
--- /dev/null
+++ b/scripts/marketplace/test_build_registry.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+# SPDX-FileCopyrightText: © 2025 StreamKit Contributors
+# SPDX-License-Identifier: MPL-2.0
+
+"""Unit tests for build_registry and check_registry_versions manifest builders."""
+
+import importlib.util
+import pathlib
+import sys
+
+import pytest
+
+SCRIPTS_DIR = pathlib.Path(__file__).resolve().parent
+
+# Import build_registry module by path (it has no package structure).
+_br_spec = importlib.util.spec_from_file_location(
+    "build_registry", SCRIPTS_DIR / "build_registry.py"
+)
+build_registry = importlib.util.module_from_spec(_br_spec)
+_br_spec.loader.exec_module(build_registry)
+
+# Import check_registry_versions module by path.
+_cr_spec = importlib.util.spec_from_file_location(
+    "check_registry_versions", SCRIPTS_DIR / "check_registry_versions.py"
+)
+check_registry_versions = importlib.util.module_from_spec(_cr_spec)
+_cr_spec.loader.exec_module(check_registry_versions)
+
+
+SAMPLE_PLUGIN = {
+    "id": "test-plugin",
+    "name": "Test Plugin",
+    "node_kind": "test_node",
+    "kind": "native",
+    "entrypoint": "libtest.so",
+    "description": "A test plugin",
+    "license": "MPL-2.0",
+    "repo": "https://github.com/streamer45/streamkit",
+}
+
+
+class TestBuildManifestRepoField:
+    """Regression tests for #307: plugin.yml uses ``repo`` not ``repository``."""
+
+    def test_build_manifest_maps_repo_to_repository(self):
+        manifest = build_registry.build_manifest(SAMPLE_PLUGIN, "1.0.0", bundle_block=None)
+        assert manifest["repository"] == "https://github.com/streamer45/streamkit"
+
+    def test_check_registry_maps_repo_to_repository(self):
+        manifest = check_registry_versions.build_manifest_from_plugin(
+            SAMPLE_PLUGIN, bundle_block=None
+        )
+        assert manifest["repository"] == "https://github.com/streamer45/streamkit"
+
+    def test_build_manifest_omits_repository_when_repo_absent(self):
+        plugin = {k: v for k, v in SAMPLE_PLUGIN.items() if k != "repo"}
+        manifest = build_registry.build_manifest(plugin, "1.0.0", bundle_block=None)
+        assert "repository" not in manifest
+
+    def test_check_registry_omits_repository_when_repo_absent(self):
+        plugin = {k: v for k, v in SAMPLE_PLUGIN.items() if k != "repo"}
+        manifest = check_registry_versions.build_manifest_from_plugin(plugin, bundle_block=None)
+        assert "repository" not in manifest