diff --git a/src/mcp/websearch.ts b/src/mcp/websearch.ts
index 92e6fcf35..a1ab4600e 100644
--- a/src/mcp/websearch.ts
+++ b/src/mcp/websearch.ts
@@ -9,7 +9,7 @@ type RemoteMcpConfig = {
   oauth?: false
 }
 
-export function createWebsearchConfig(config?: WebsearchConfig): RemoteMcpConfig {
+export function createWebsearchConfig(config?: WebsearchConfig): RemoteMcpConfig | undefined {
   const provider = config?.provider || "exa"
 
   if (provider === "tavily") {