chore: add toolbox sample agent

PiperOrigin-RevId: 759746416

contributing/samples/toolbox_agent/tools.yaml

@@ -0,0 +1,81 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+sources:
+    my-sqlite-db:
+        kind: "sqlite"
+        database: "tool_box.db"
+tools:
+  search-hotels-by-name:
+    kind: sqlite-sql
+    source: my-sqlite-db
+    description: Search for hotels based on name.
+    parameters:
+      - name: name
+        type: string
+        description: The name of the hotel.
+    statement: SELECT * FROM hotels WHERE name LIKE '%' || $1 || '%';
+  search-hotels-by-location:
+    kind: sqlite-sql
+    source: my-sqlite-db
+    description: Search for hotels based on location.
+    parameters:
+      - name: location
+        type: string
+        description: The location of the hotel.
+    statement: SELECT * FROM hotels WHERE location LIKE '%' || $1 || '%';
+  book-hotel:
+    kind: sqlite-sql
+    source: my-sqlite-db
+    description: >-
+       Book a hotel by its ID. If the hotel is successfully booked, returns a NULL, raises an error if not.
+    parameters:
+      - name: hotel_id
+        type: string
+        description: The ID of the hotel to book.
+    statement: UPDATE hotels SET booked = 1 WHERE id = $1;
+  update-hotel:
+    kind: sqlite-sql
+    source: my-sqlite-db
+    description: >-
+      Update a hotel's check-in and check-out dates by its ID. Returns a message
+      indicating  whether the hotel was successfully updated or not.
+    parameters:
+      - name: hotel_id
+        type: string
+        description: The ID of the hotel to update.
+      - name: checkin_date
+        type: string
+        description: The new check-in date of the hotel.
+      - name: checkout_date
+        type: string
+        description: The new check-out date of the hotel.
+    statement: >-
+      UPDATE hotels SET checkin_date = CAST($2 as date), checkout_date = CAST($3
+      as date) WHERE id = $1;
+  cancel-hotel:
+    kind: sqlite-sql
+    source: my-sqlite-db
+    description: Cancel a hotel by its ID.
+    parameters:
+      - name: hotel_id
+        type: string
+        description: The ID of the hotel to cancel.
+    statement: UPDATE hotels SET booked = 0 WHERE id = $1;
+toolsets:
+  my-toolset:
+    - search-hotels-by-name
+    - search-hotels-by-location
+    - book-hotel
+    - update-hotel
+    - cancel-hotel