diff --git a/apps/web/src/app/api/mcp/[tool]/route.ts b/apps/web/src/app/api/mcp/[tool]/route.ts
index ac88ee9..16cae0e 100644
--- a/apps/web/src/app/api/mcp/[tool]/route.ts
+++ b/apps/web/src/app/api/mcp/[tool]/route.ts
@@ -712,7 +712,7 @@ export async function POST(request: NextRequest, props: { params: Promise<{ tool
           if (!claim || claim.task_id !== parsed.parent_task_id || claim.status !== TaskStatus.EXECUTING) {
             throw new Error("Invalid claim token or parent task is not EXECUTING");
           }
-          if (parsed.reward_amount.amount >= claim.held_amount) {
+          if (parsed.reward_amount >= claim.held_amount) {
              throw new Error("Sub-task reward cannot exceed parent task reward");
           }
 
@@ -722,7 +722,7 @@ export async function POST(request: NextRequest, props: { params: Promise<{ tool
               description: parsed.description,
               status: TaskStatus.OPEN,
               difficulty: "HELLO_WORLD",
-              reward_amount: parsed.reward_amount.amount,
+              reward_amount: parsed.reward_amount,
               reward_currency: claim.held_currency,
               required_stack: ["A2A", "Agent Sub-Task"],
               scope_clarity_score: 1.0,
diff --git a/scripts/simulate_agent.ts b/scripts/simulate_agent.ts
index caa8604..aa9fa4a 100644
--- a/scripts/simulate_agent.ts
+++ b/scripts/simulate_agent.ts
@@ -42,7 +42,7 @@ async function main() {
     claim_token: claimRes.claim_token,
     title: "Write unit tests for the fibonacci function",
     description: "Write comprehensive unit tests in Jest for fib(n).",
-    reward_amount: { amount: 1000, currency: "USD" }, // $10 out of the $500
+    reward_amount: 1000, // $10 out of the $500
     acceptance_criteria: {
       validation_mode: "AST_PARSING",
       test_file_content: "import { test } from 'jest'; test('fake', () => { /* min 20 chars */ });"