diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index 7e11f40..cf5725c 100644
--- a/.speakeasy/in.openapi.yaml
+++ b/.speakeasy/in.openapi.yaml
@@ -127,6 +127,102 @@ components:
       required:
         - data
       type: object
+    AdditionalToolsItem:
+      description: Additional tools made available to the model at this point in the input
+      example:
+        role: developer
+        tools:
+          - name: get_weather
+            parameters:
+              properties:
+                location:
+                  type: string
+              type: object
+            type: function
+        type: additional_tools
+      properties:
+        id:
+          nullable: true
+          type: string
+        role:
+          enum:
+            - unknown
+            - user
+            - assistant
+            - system
+            - critic
+            - discriminator
+            - developer
+            - tool
+          type: string
+        tools:
+          items:
+            anyOf:
+              - allOf:
+                  - $ref: '#/components/schemas/FunctionTool'
+                  - properties: {}
+                    type: object
+                description: Function tool definition
+                example:
+                  description: Get the current weather in a location
+                  name: get_weather
+                  parameters:
+                    properties:
+                      location:
+                        description: The city and state
+                        type: string
+                      unit:
+                        enum:
+                          - celsius
+                          - fahrenheit
+                        type: string
+                    required:
+                      - location
+                    type: object
+                  type: function
+              - $ref: '#/components/schemas/Preview_WebSearchServerTool'
+              - $ref: '#/components/schemas/Preview_20250311_WebSearchServerTool'
+              - $ref: '#/components/schemas/Legacy_WebSearchServerTool'
+              - $ref: '#/components/schemas/WebSearchServerTool'
+              - $ref: '#/components/schemas/FileSearchServerTool'
+              - $ref: '#/components/schemas/ComputerUseServerTool'
+              - $ref: '#/components/schemas/CodeInterpreterServerTool'
+              - $ref: '#/components/schemas/McpServerTool'
+              - $ref: '#/components/schemas/ImageGenerationServerTool'
+              - $ref: '#/components/schemas/CodexLocalShellTool'
+              - $ref: '#/components/schemas/ShellServerTool'
+              - $ref: '#/components/schemas/ApplyPatchServerTool'
+              - $ref: '#/components/schemas/CustomTool'
+              - $ref: '#/components/schemas/AdvisorServerTool_OpenRouter'
+              - $ref: '#/components/schemas/SubagentServerTool_OpenRouter'
+              - $ref: '#/components/schemas/DatetimeServerTool'
+              - $ref: '#/components/schemas/FilesServerTool'
+              - $ref: '#/components/schemas/FusionServerTool_OpenRouter'
+              - $ref: '#/components/schemas/ImageGenerationServerTool_OpenRouter'
+              - $ref: '#/components/schemas/ChatSearchModelsServerTool'
+              - $ref: '#/components/schemas/WebFetchServerTool'
+              - $ref: '#/components/schemas/WebSearchServerTool_OpenRouter'
+              - $ref: '#/components/schemas/ApplyPatchServerTool_OpenRouter'
+              - $ref: '#/components/schemas/BashServerTool'
+              - $ref: '#/components/schemas/ShellServerTool_OpenRouter'
+              - additionalProperties:
+                  nullable: true
+                properties:
+                  type:
+                    type: string
+                required:
+                  - type
+                type: object
+          type: array
+        type:
+          enum:
+            - additional_tools
+          type: string
+      required:
+        - type
+        - role
+        - tools
+      type: object
     AdvisorNestedTool:
       additionalProperties:
         nullable: true
@@ -10391,6 +10487,7 @@ components:
               - $ref: '#/components/schemas/CustomToolCallOutputItem'
               - $ref: '#/components/schemas/CompactionItem'
               - $ref: '#/components/schemas/ItemReferenceItem'
+              - $ref: '#/components/schemas/AdditionalToolsItem'
           type: array
       description: Input for a response request - can be a string or array of items
       example: