diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 147c5fed87..ef47818555 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -2300,6 +2300,7 @@ dependencies = [
  "codex-plugin",
  "codex-utils-cargo-bin",
  "codex-utils-cli",
+ "codex-utils-plugins",
  "pretty_assertions",
  "serde",
  "serde_json",
diff --git a/codex-rs/chatgpt/Cargo.toml b/codex-rs/chatgpt/Cargo.toml
index c2cbb02830..89a0279cd7 100644
--- a/codex-rs/chatgpt/Cargo.toml
+++ b/codex-rs/chatgpt/Cargo.toml
@@ -18,6 +18,7 @@ codex-login = { workspace = true }
 codex-model-provider = { workspace = true }
 codex-plugin = { workspace = true }
 codex-utils-cli = { workspace = true }
+codex-utils-plugins = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 tokio = { workspace = true, features = ["full"] }
 
diff --git a/codex-rs/chatgpt/src/chatgpt_client.rs b/codex-rs/chatgpt/src/chatgpt_client.rs
index 372f62e696..543bb9cf42 100644
--- a/codex-rs/chatgpt/src/chatgpt_client.rs
+++ b/codex-rs/chatgpt/src/chatgpt_client.rs
@@ -1,6 +1,9 @@
 use codex_core::config::Config;
 use codex_login::AuthManager;
+use codex_login::default_client::chatgpt_cloudflare_cookie_header;
 use codex_login::default_client::create_client;
+use codex_utils_plugins::plugin_service_routing::plugin_service_preview_enabled;
+use codex_utils_plugins::plugin_service_routing::plugin_service_routing_cookie;
 
 use anyhow::Context;
 use serde::de::DeserializeOwned;
@@ -9,18 +12,54 @@ use std::time::Duration;
 const OAI_PRODUCT_SKU_HEADER: &str = "OAI-Product-Sku";
 const CODEX_PRODUCT_SKU: &str = "codex";
 
+#[derive(Clone, Copy)]
+enum ChatgptRequestRouting {
+    Default,
+    PluginService,
+}
+
 /// Make a GET request to the ChatGPT backend API.
 pub(crate) async fn chatgpt_get_request<T: DeserializeOwned>(
     config: &Config,
     path: String,
 ) -> anyhow::Result<T> {
-    chatgpt_get_request_with_timeout(config, path, /*timeout*/ None).await
+    chatgpt_get_request_with_timeout_inner(
+        config,
+        path,
+        /*timeout*/ None,
+        ChatgptRequestRouting::Default,
+    )
+    .await
 }
 
 pub(crate) async fn chatgpt_get_request_with_timeout<T: DeserializeOwned>(
     config: &Config,
     path: String,
     timeout: Option<Duration>,
+) -> anyhow::Result<T> {
+    chatgpt_get_request_with_timeout_inner(config, path, timeout, ChatgptRequestRouting::Default)
+        .await
+}
+
+pub(crate) async fn chatgpt_get_plugin_service_request_with_timeout<T: DeserializeOwned>(
+    config: &Config,
+    path: String,
+    timeout: Option<Duration>,
+) -> anyhow::Result<T> {
+    chatgpt_get_request_with_timeout_inner(
+        config,
+        path,
+        timeout,
+        ChatgptRequestRouting::PluginService,
+    )
+    .await
+}
+
+async fn chatgpt_get_request_with_timeout_inner<T: DeserializeOwned>(
+    config: &Config,
+    path: String,
+    timeout: Option<Duration>,
+    routing: ChatgptRequestRouting,
 ) -> anyhow::Result<T> {
     let chatgpt_base_url = &config.chatgpt_base_url;
     let auth_manager =
@@ -52,6 +91,16 @@ pub(crate) async fn chatgpt_get_request_with_timeout<T: DeserializeOwned>(
         .header(OAI_PRODUCT_SKU_HEADER, CODEX_PRODUCT_SKU)
         .header("Content-Type", "application/json");
 
+    if matches!(routing, ChatgptRequestRouting::PluginService) && plugin_service_preview_enabled() {
+        let cloudflare_cookie = chatgpt_cloudflare_cookie_header(&url);
+        let existing_cookie_headers = cloudflare_cookie.as_deref().into_iter().collect::<Vec<_>>();
+        if let Some(routing_cookie) =
+            plugin_service_routing_cookie(&existing_cookie_headers, /*preview_enabled*/ true)
+        {
+            request = request.header("Cookie", routing_cookie);
+        }
+    }
+
     if let Some(timeout) = timeout {
         request = request.timeout(timeout);
     }
diff --git a/codex-rs/chatgpt/src/connectors.rs b/codex-rs/chatgpt/src/connectors.rs
index fa1a894cca..b3817f9876 100644
--- a/codex-rs/chatgpt/src/connectors.rs
+++ b/codex-rs/chatgpt/src/connectors.rs
@@ -2,7 +2,7 @@ use std::collections::HashMap;
 use std::collections::HashSet;
 use std::time::Duration;
 
-use crate::chatgpt_client::chatgpt_get_request_with_timeout;
+use crate::chatgpt_client::chatgpt_get_plugin_service_request_with_timeout;
 
 use codex_app_server_protocol::AppInfo;
 use codex_connectors::ConnectorDirectoryCacheContext;
@@ -21,6 +21,7 @@ pub use codex_core::connectors::with_app_enabled_state;
 use codex_login::AuthManager;
 use codex_login::CodexAuth;
 use codex_plugin::AppConnectorId;
+use codex_utils_plugins::plugin_service_routing::plugin_service_preview_enabled;
 
 const DIRECTORY_CONNECTORS_TIMEOUT: Duration = Duration::from_secs(60);
 
@@ -101,7 +102,7 @@ pub async fn list_all_connectors_with_options(
         auth.is_workspace_account(),
         force_refetch,
         |path| async move {
-            chatgpt_get_request_with_timeout::<DirectoryListResponse>(
+            chatgpt_get_plugin_service_request_with_timeout::<DirectoryListResponse>(
                 config,
                 path,
                 Some(DIRECTORY_CONNECTORS_TIMEOUT),
@@ -127,7 +128,8 @@ fn connector_directory_cache_context(
             auth.get_account_id(),
             auth.get_chatgpt_user_id(),
             auth.is_workspace_account(),
-        ),
+        )
+        .plugin_service_preview(plugin_service_preview_enabled()),
     )
 }
 
diff --git a/codex-rs/codex-client/src/chatgpt_cloudflare_cookies.rs b/codex-rs/codex-client/src/chatgpt_cloudflare_cookies.rs
index c5f4bbd4eb..d97de8a830 100644
--- a/codex-rs/codex-client/src/chatgpt_cloudflare_cookies.rs
+++ b/codex-rs/codex-client/src/chatgpt_cloudflare_cookies.rs
@@ -55,6 +55,18 @@ pub fn with_chatgpt_cloudflare_cookie_store(
     builder.cookie_provider(Arc::clone(&SHARED_CHATGPT_CLOUDFLARE_COOKIE_STORE))
 }
 
+/// Returns the Cloudflare infrastructure cookies that the shared Codex cookie store would attach
+/// to `url`.
+///
+/// Use this only when a caller must construct an explicit `Cookie` header. Reqwest does not add
+/// cookie-provider values when that header is already present.
+pub fn chatgpt_cloudflare_cookie_header(url: &str) -> Option<Vec<u8>> {
+    let url = reqwest::Url::parse(url).ok()?;
+    SHARED_CHATGPT_CLOUDFLARE_COOKIE_STORE
+        .cookies(&url)
+        .map(|value| value.as_bytes().to_vec())
+}
+
 fn is_chatgpt_cookie_url(url: &reqwest::Url) -> bool {
     match url.scheme() {
         "https" => {}
diff --git a/codex-rs/codex-client/src/lib.rs b/codex-rs/codex-client/src/lib.rs
index 78daa6c288..13ec94754c 100644
--- a/codex-rs/codex-client/src/lib.rs
+++ b/codex-rs/codex-client/src/lib.rs
@@ -10,6 +10,7 @@ mod sse;
 mod telemetry;
 mod transport;
 
+pub use crate::chatgpt_cloudflare_cookies::chatgpt_cloudflare_cookie_header;
 pub use crate::chatgpt_cloudflare_cookies::with_chatgpt_cloudflare_cookie_store;
 pub use crate::chatgpt_hosts::is_allowed_chatgpt_host;
 pub use crate::custom_ca::BuildCustomCaTransportError;
diff --git a/codex-rs/codex-mcp/src/codex_apps.rs b/codex-rs/codex-mcp/src/codex_apps.rs
index 53b546b8a0..b01b351e49 100644
--- a/codex-rs/codex-mcp/src/codex_apps.rs
+++ b/codex-rs/codex-mcp/src/codex_apps.rs
@@ -16,6 +16,7 @@ use anyhow::Context;
 use codex_login::CodexAuth;
 use codex_protocol::mcp::McpServerInfo;
 use codex_utils_plugins::mcp_connector::sanitize_name;
+use codex_utils_plugins::plugin_service_routing::plugin_service_preview_enabled;
 use serde::Deserialize;
 use serde::Serialize;
 use sha1::Digest;
@@ -26,6 +27,8 @@ pub struct CodexAppsToolsCacheKey {
     pub(crate) account_id: Option<String>,
     pub(crate) chatgpt_user_id: Option<String>,
     pub(crate) is_workspace_account: bool,
+    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
+    pub(crate) plugin_service_preview: bool,
 }
 
 pub fn codex_apps_tools_cache_key(auth: Option<&CodexAuth>) -> CodexAppsToolsCacheKey {
@@ -33,6 +36,7 @@ pub fn codex_apps_tools_cache_key(auth: Option<&CodexAuth>) -> CodexAppsToolsCac
         account_id: auth.and_then(CodexAuth::get_account_id),
         chatgpt_user_id: auth.and_then(CodexAuth::get_chatgpt_user_id),
         is_workspace_account: auth.is_some_and(CodexAuth::is_workspace_account),
+        plugin_service_preview: plugin_service_preview_enabled(),
     }
 }
 
diff --git a/codex-rs/codex-mcp/src/connection_manager_tests.rs b/codex-rs/codex-mcp/src/connection_manager_tests.rs
index 05b3917027..ed4c1a7661 100644
--- a/codex-rs/codex-mcp/src/connection_manager_tests.rs
+++ b/codex-rs/codex-mcp/src/connection_manager_tests.rs
@@ -86,6 +86,7 @@ fn create_codex_apps_tools_cache_context(
             account_id: account_id.map(ToOwned::to_owned),
             chatgpt_user_id: chatgpt_user_id.map(ToOwned::to_owned),
             is_workspace_account: false,
+            plugin_service_preview: false,
         },
     }
 }
@@ -611,6 +612,24 @@ fn codex_apps_tools_cache_is_scoped_per_user() {
     );
 }
 
+#[test]
+fn codex_apps_tools_cache_is_scoped_by_plugin_service_preview() {
+    let codex_home = tempdir().expect("tempdir");
+    let regular = create_codex_apps_tools_cache_context(
+        codex_home.path().to_path_buf(),
+        Some("account-one"),
+        Some("user-one"),
+    );
+    let mut preview = regular.clone();
+    preview.user_key.plugin_service_preview = true;
+
+    assert_ne!(regular.tools_cache_path(), preview.tools_cache_path());
+    assert_ne!(
+        regular.server_info_cache_path(),
+        preview.server_info_cache_path()
+    );
+}
+
 #[test]
 fn codex_apps_tools_cache_preserves_formerly_disallowed_connectors() {
     let codex_home = tempdir().expect("tempdir");
@@ -1263,6 +1282,7 @@ async fn no_local_runtime_fails_local_stdio_but_keeps_local_http_server() {
             account_id: None,
             chatgpt_user_id: None,
             is_workspace_account: false,
+            plugin_service_preview: false,
         },
         /*prefix_mcp_tool_names*/ true,
         ElicitationCapability::default(),
diff --git a/codex-rs/connectors/src/lib.rs b/codex-rs/connectors/src/lib.rs
index a75120c0a4..8a391f150b 100644
--- a/codex-rs/connectors/src/lib.rs
+++ b/codex-rs/connectors/src/lib.rs
@@ -33,6 +33,8 @@ pub struct ConnectorDirectoryCacheKey {
     account_id: Option<String>,
     chatgpt_user_id: Option<String>,
     is_workspace_account: bool,
+    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
+    plugin_service_preview: bool,
 }
 
 impl ConnectorDirectoryCacheKey {
@@ -47,8 +49,14 @@ impl ConnectorDirectoryCacheKey {
             account_id,
             chatgpt_user_id,
             is_workspace_account,
+            plugin_service_preview: false,
         }
     }
+
+    pub fn plugin_service_preview(mut self, plugin_service_preview: bool) -> Self {
+        self.plugin_service_preview = plugin_service_preview;
+        self
+    }
 }
 
 #[derive(Clone)]
@@ -492,6 +500,18 @@ mod tests {
         ConnectorDirectoryCacheContext::new(codex_home.path().to_path_buf(), cache_key(id))
     }
 
+    #[test]
+    fn directory_cache_is_scoped_by_plugin_service_preview() {
+        let codex_home = tempfile::tempdir().expect("tempdir");
+        let regular = cache_context(&codex_home, "user");
+        let preview = ConnectorDirectoryCacheContext::new(
+            codex_home.path().to_path_buf(),
+            cache_key("user").plugin_service_preview(true),
+        );
+
+        assert_ne!(regular.cache_path(), preview.cache_path());
+    }
+
     fn clear_directory_memory_cache() {
         let mut cache_guard = CONNECTOR_DIRECTORY_CACHE
             .lock()
diff --git a/codex-rs/core-plugins/src/remote.rs b/codex-rs/core-plugins/src/remote.rs
index 7e71622bf5..b5f26b9829 100644
--- a/codex-rs/core-plugins/src/remote.rs
+++ b/codex-rs/core-plugins/src/remote.rs
@@ -10,6 +10,7 @@ use codex_app_server_protocol::PluginInterface;
 use codex_app_server_protocol::SkillInterface;
 use codex_login::CodexAuth;
 use codex_login::default_client::build_reqwest_client;
+use codex_login::default_client::chatgpt_cloudflare_cookie_header;
 use codex_plugin::AppConnectorId;
 use codex_plugin::AppDeclaration;
 use codex_plugin::PluginId;
@@ -1878,12 +1879,31 @@ async fn send_plugin_service_request_with_preview(
 ) -> Result<reqwest::Response, reqwest::Error> {
     let (client, request) = request.build_split();
     let mut request = request?;
-    let headers = request.headers_mut();
-    let existing_cookie_headers = headers
+    let cloudflare_cookie = (preview_enabled && !request.headers().contains_key(COOKIE))
+        .then(|| chatgpt_cloudflare_cookie_header(request.url().as_str()))
+        .flatten();
+    apply_plugin_service_routing_cookie(
+        request.headers_mut(),
+        preview_enabled,
+        cloudflare_cookie.as_deref(),
+    );
+
+    client.execute(request).await
+}
+
+fn apply_plugin_service_routing_cookie(
+    headers: &mut reqwest::header::HeaderMap,
+    preview_enabled: bool,
+    cloudflare_cookie: Option<&[u8]>,
+) {
+    let mut existing_cookie_headers = headers
         .get_all(COOKIE)
         .iter()
         .map(|value| value.as_bytes().to_vec())
         .collect::<Vec<_>>();
+    if let Some(cloudflare_cookie) = cloudflare_cookie {
+        existing_cookie_headers.push(cloudflare_cookie.to_vec());
+    }
     let existing_cookie_headers = existing_cookie_headers
         .iter()
         .map(Vec::as_slice)
@@ -1896,6 +1916,4 @@ async fn send_plugin_service_request_with_preview(
     {
         headers.insert(COOKIE, routing_cookie);
     }
-
-    client.execute(request).await
 }
diff --git a/codex-rs/core-plugins/src/remote/catalog_cache.rs b/codex-rs/core-plugins/src/remote/catalog_cache.rs
index d49885dfbb..52161cec3b 100644
--- a/codex-rs/core-plugins/src/remote/catalog_cache.rs
+++ b/codex-rs/core-plugins/src/remote/catalog_cache.rs
@@ -1,6 +1,7 @@
 use super::RemotePluginDirectoryItem;
 use super::RemotePluginServiceConfig;
 use codex_login::CodexAuth;
+use codex_utils_plugins::plugin_service_routing::plugin_service_preview_enabled;
 use serde::Deserialize;
 use serde::Serialize;
 use std::path::Path;
@@ -16,6 +17,8 @@ struct RemotePluginCatalogCacheKey {
     account_id: Option<String>,
     chatgpt_user_id: Option<String>,
     is_workspace_account: bool,
+    #[serde(default, skip_serializing_if = "std::ops::Not::not")]
+    plugin_service_preview: bool,
 }
 
 impl RemotePluginCatalogCacheKey {
@@ -25,6 +28,7 @@ impl RemotePluginCatalogCacheKey {
             account_id: auth.get_account_id(),
             chatgpt_user_id: auth.get_chatgpt_user_id(),
             is_workspace_account: auth.is_workspace_account(),
+            plugin_service_preview: plugin_service_preview_enabled(),
         }
     }
 }
@@ -109,3 +113,7 @@ fn cache_path(codex_home: &Path, cache_key: &RemotePluginCatalogCacheKey) -> Pat
         .join(REMOTE_PLUGIN_CATALOG_DISK_CACHE_DIR)
         .join(format!("{cache_key_hash:016x}.json"))
 }
+
+#[cfg(test)]
+#[path = "catalog_cache_tests.rs"]
+mod tests;
diff --git a/codex-rs/core-plugins/src/remote/catalog_cache_tests.rs b/codex-rs/core-plugins/src/remote/catalog_cache_tests.rs
new file mode 100644
index 0000000000..60232274df
--- /dev/null
+++ b/codex-rs/core-plugins/src/remote/catalog_cache_tests.rs
@@ -0,0 +1,21 @@
+use super::*;
+
+#[test]
+fn remote_plugin_catalog_cache_is_scoped_by_plugin_service_preview() {
+    let regular = RemotePluginCatalogCacheKey {
+        chatgpt_base_url: "https://chatgpt.com/backend-api".to_string(),
+        account_id: Some("account".to_string()),
+        chatgpt_user_id: Some("user".to_string()),
+        is_workspace_account: true,
+        plugin_service_preview: false,
+    };
+    let preview = RemotePluginCatalogCacheKey {
+        plugin_service_preview: true,
+        ..regular.clone()
+    };
+
+    assert_ne!(
+        cache_path(Path::new("/codex-home"), &regular),
+        cache_path(Path::new("/codex-home"), &preview)
+    );
+}
diff --git a/codex-rs/core-plugins/src/remote_tests.rs b/codex-rs/core-plugins/src/remote_tests.rs
index bef7f543f5..60a44bf978 100644
--- a/codex-rs/core-plugins/src/remote_tests.rs
+++ b/codex-rs/core-plugins/src/remote_tests.rs
@@ -299,6 +299,23 @@ fn recommended_plugins_ignore_invalid_remote_plugin_ids() {
     );
 }
 
+#[test]
+fn plugin_service_routing_preserves_cloudflare_cookie_jar_values() {
+    let mut headers = reqwest::header::HeaderMap::new();
+    let cloudflare_cookie = HeaderValue::from_static("cf_clearance=clearance; _cfuvid=visitor");
+
+    apply_plugin_service_routing_cookie(
+        &mut headers,
+        /*preview_enabled*/ true,
+        Some(cloudflare_cookie.as_bytes()),
+    );
+
+    assert_eq!(
+        headers.get(COOKIE).and_then(|value| value.to_str().ok()),
+        Some("cf_clearance=clearance; _cfuvid=visitor; oai-chat-plugin-service-preview=true"),
+    );
+}
+
 #[tokio::test]
 async fn plugin_service_request_does_not_add_preview_cookie_when_disabled() {
     let server = MockServer::start().await;
diff --git a/codex-rs/core/src/connectors.rs b/codex-rs/core/src/connectors.rs
index 87c3097162..aa442f23d9 100644
--- a/codex-rs/core/src/connectors.rs
+++ b/codex-rs/core/src/connectors.rs
@@ -41,6 +41,7 @@ use codex_mcp::codex_apps_tools_cache_key;
 use codex_mcp::compute_auth_statuses;
 use codex_mcp::effective_mcp_servers;
 use codex_mcp::tool_plugin_provenance;
+use codex_utils_plugins::plugin_service_routing::plugin_service_preview_enabled;
 
 const CONNECTORS_READY_TIMEOUT_ON_EMPTY_TOOLS: Duration = Duration::from_secs(30);
 
@@ -460,7 +461,8 @@ async fn cached_directory_connectors_for_tool_suggest_with_auth(
             Some(account_id),
             auth.get_chatgpt_user_id(),
             is_workspace_account,
-        ),
+        )
+        .plugin_service_preview(plugin_service_preview_enabled()),
     );
 
     codex_connectors::cached_directory_connectors(&cache_context).unwrap_or_default()
diff --git a/codex-rs/login/src/auth/default_client.rs b/codex-rs/login/src/auth/default_client.rs
index f72727bfca..5bbc8d5e4e 100644
--- a/codex-rs/login/src/auth/default_client.rs
+++ b/codex-rs/login/src/auth/default_client.rs
@@ -11,6 +11,7 @@ use codex_client::CodexHttpClient;
 pub use codex_client::CodexRequestBuilder;
 use codex_client::build_reqwest_client_for_route;
 use codex_client::build_reqwest_client_with_custom_ca;
+pub use codex_client::chatgpt_cloudflare_cookie_header;
 use codex_client::with_chatgpt_cloudflare_cookie_store;
 use codex_terminal_detection::user_agent;
 use reqwest::header::HeaderMap;
diff --git a/codex-rs/utils/plugins/src/plugin_service_routing_tests.rs b/codex-rs/utils/plugins/src/plugin_service_routing_tests.rs
index a2c3c3917c..3dfab4fe17 100644
--- a/codex-rs/utils/plugins/src/plugin_service_routing_tests.rs
+++ b/codex-rs/utils/plugins/src/plugin_service_routing_tests.rs
@@ -22,10 +22,19 @@ fn preview_signal_requires_exact_enabled_value() {
 
 #[test]
 fn routing_cookie_is_disabled_by_default_and_cannot_be_enabled_by_caller() {
-    assert_eq!(plugin_service_routing_cookie(&[], false), None);
     assert_eq!(
-        plugin_service_routing_cookie(&[b"oai-chat-plugin-service-preview=true".as_slice()], false,),
-        None,
+        plugin_service_routing_cookie(&[], /*preview_enabled*/ false),
+        None
+    );
+    assert_eq!(
+        plugin_service_routing_cookie(
+            &[
+                b"session=abc; oai-chat-plugin-service-preview=true".as_slice(),
+                b"theme=dark".as_slice(),
+            ],
+            /*preview_enabled*/ false,
+        ),
+        Some(b"session=abc; theme=dark".to_vec()),
     );
 }
 
@@ -37,7 +46,7 @@ fn routing_cookie_preserves_unrelated_cookies_and_replaces_caller_value() {
                 b"session=abc; oai-chat-plugin-service-preview=false".as_slice(),
                 b"theme=dark; oai-chat-plugin-service-preview=true".as_slice(),
             ],
-            true,
+            /*preview_enabled*/ true,
         ),
         Some(b"session=abc; theme=dark; oai-chat-plugin-service-preview=true".to_vec()),
     );