diff --git a/agent.py b/agent.py
index cf78160..3070cae 100644
--- a/agent.py
+++ b/agent.py
@@ -607,7 +607,7 @@ class CustomerIntegrationEngineer(A2AAgent[CustomerIntegrationEngineerConfig, No
             drift_detected=drift,
         )
 
-    @a2a.tool(description="Run dry-run or allowlisted acceptance checks using endpoint metadata and secret references", timeout_seconds=180, idempotent=True, max_retries=0, cost_class="deterministic", grant_outputs_prefix="outputs", grant_write_prefixes=("outputs/integrations",))
+    @a2a.tool(description="Run dry-run or allowlisted acceptance checks using endpoint metadata and secret references", input_schema=_ACCEPTANCE_INPUT_SCHEMA, timeout_seconds=180, idempotent=True, max_retries=0, cost_class="deterministic", grant_outputs_prefix="outputs", grant_write_prefixes=("outputs/integrations",))
     async def run_acceptance(self, ctx: RunContext[NoAuth], request: RunAcceptanceRequest) -> RunAcceptanceResult:
         dry_run = _effective_dry_run(self, request.dry_run)
         live_network_block = _live_network_unavailable_reason(self)