diff --git a/packages/builder/test/smoke/tool-inventory.test.ts b/packages/builder/test/smoke/tool-inventory.test.ts
index 3d67c60..ffcf808 100644
--- a/packages/builder/test/smoke/tool-inventory.test.ts
+++ b/packages/builder/test/smoke/tool-inventory.test.ts
@@ -14,6 +14,7 @@ import { startServer, stopServer, ServerContext } from '../setup.ts';
  * no network beyond localhost — this never needs a mnemonic.
  */
 const EXPECTED_TOOLS = [
+  'vector_await_transaction',
   'vector_build_transaction',
   'vector_deploy_contract',
   'vector_deregister_agent',
@@ -35,6 +36,7 @@ const EXPECTED_TOOLS = [
   'vector_self_improvement_submit_proposal',
   'vector_send_apex',
   'vector_send_tokens',
+  'vector_submit_transaction',
   'vector_transfer_agent',
   'vector_update_agent',
 ];
@@ -80,11 +82,11 @@ after(async () => {
 });
 
 describe('tool inventory smoke test', () => {
-  test('exposes exactly 23 tools', () => {
+  test('exposes exactly 25 tools', () => {
     assert.equal(
       actualNames.length,
-      23,
-      `expected 23 tools, got ${actualNames.length}: ${JSON.stringify(actualNames)}`
+      25,
+      `expected 25 tools, got ${actualNames.length}: ${JSON.stringify(actualNames)}`
     );
   });
 
diff --git a/packages/builder/test/smoke/tool-schemas.snapshot.json b/packages/builder/test/smoke/tool-schemas.snapshot.json
index a3d29e2..e6de772 100644
--- a/packages/builder/test/smoke/tool-schemas.snapshot.json
+++ b/packages/builder/test/smoke/tool-schemas.snapshot.json
@@ -1,4 +1,23 @@
 {
+  "vector_await_transaction": {
+    "type": "object",
+    "properties": {
+      "txHash": {
+        "description": "Transaction hash returned by vector_submit_transaction",
+        "type": "string"
+      },
+      "timeoutSeconds": {
+        "description": "How long to wait before giving up (default: 120)",
+        "type": "number",
+        "minimum": 1,
+        "maximum": 300
+      }
+    },
+    "required": [
+      "txHash"
+    ],
+    "$schema": "http://json-schema.org/draft-07/schema#"
+  },
   "vector_build_transaction": {
     "type": "object",
     "properties": {
@@ -711,6 +730,19 @@
     ],
     "$schema": "http://json-schema.org/draft-07/schema#"
   },
+  "vector_submit_transaction": {
+    "type": "object",
+    "properties": {
+      "signedTxCbor": {
+        "description": "Hex-encoded CBOR of a fully signed transaction",
+        "type": "string"
+      }
+    },
+    "required": [
+      "signedTxCbor"
+    ],
+    "$schema": "http://json-schema.org/draft-07/schema#"
+  },
   "vector_transfer_agent": {
     "type": "object",
     "properties": {