diff --git a/.opencode/tools/tea-pr.ts b/.opencode/tools/tea-pr.ts
index a411a03..4e6e708 100644
--- a/.opencode/tools/tea-pr.ts
+++ b/.opencode/tools/tea-pr.ts
@@ -9,11 +9,12 @@ export const prList = tool({
       .enum(["open", "closed", "all"])
       .default("open")
       .describe("Filter by state"),
-    limit: tool.schema.number().default(30).describe("Number of PRs to return"),
+    limit: tool.schema.number().optional().describe("Number of PRs to return"),
   },
   async execute(args, context) {
     try {
-      const cmd = $`tea pr list --output json --state ${args.state} --limit ${args.limit ?? 30}`;
+      const limit = args.limit || 30;
+      const cmd = $`tea pr list --output json --state ${args.state} --limit ${limit}`;
 
       const result = await cmd.text();
       return result;