diff --git a/mcp/arkConfig.ts b/mcp/arkConfig.ts
new file mode 100644
index 0000000..8128d85
--- /dev/null
+++ b/mcp/arkConfig.ts
@@ -0,0 +1,7 @@
+import { configure } from "arktype/config";
+
+configure({
+  toJsonSchema: {
+    dialect: null,
+  },
+});
diff --git a/mcp/server.ts b/mcp/server.ts
index 0b81de4..9917252 100644
--- a/mcp/server.ts
+++ b/mcp/server.ts
@@ -1,3 +1,5 @@
+import "./arkConfig.ts";
+// this must be imported first
 import { FastMCP } from "fastmcp";
 import { ghPullfrogMcpName } from "../external.ts";
 import { GetCheckSuiteLogsTool } from "./checkSuite.ts";
@@ -27,7 +29,6 @@ addTools(server, [
   CreateWorkingCommentTool,
   UpdateWorkingCommentTool,
   IssueTool,
-  // ListFilesTool,
   PullRequestTool,
   ReviewTool,
   PullRequestInfoTool,