diff --git a/mcp.ts b/mcp.ts
index 1c2334b..c2c5c58 100644
--- a/mcp.ts
+++ b/mcp.ts
@@ -55,12 +55,15 @@ export const TOOLS: Tool[] = [
 
 export class ToolServer {
   private _callCount = 0;
+  private readonly pr: PRContext;
+  private readonly workspace: string | null;
+  private readonly maxToolCalls: number;
 
-  constructor(
-    private readonly pr: PRContext,
-    private readonly workspace: string | null,
-    private readonly maxToolCalls: number,
-  ) {}
+  constructor(pr: PRContext, workspace: string | null, maxToolCalls: number) {
+    this.pr = pr;
+    this.workspace = workspace;
+    this.maxToolCalls = maxToolCalls;
+  }
 
   get tools(): Tool[] {
     return TOOLS;