diff --git a/.speakeasy/in.openapi.yaml b/.speakeasy/in.openapi.yaml
index 79db94c0..ef26dbdd 100644
--- a/.speakeasy/in.openapi.yaml
+++ b/.speakeasy/in.openapi.yaml
@@ -14364,6 +14364,8 @@ components:
               - $ref: '#/components/schemas/AdditionalToolsItem'
               - $ref: '#/components/schemas/AgentMessageItem'
               - $ref: '#/components/schemas/ConfigurationUpdateItem'
+              - $ref: '#/components/schemas/ToolSearchCallItem'
+              - $ref: '#/components/schemas/ToolSearchOutputItem'
           type: 'array'
       description: 'Input for a response request - can be a string or array of items'
       example:
@@ -17530,7 +17532,7 @@ components:
             openrouter_metadata:
               $ref: '#/components/schemas/OpenRouterMetadata'
             provider:
-              $ref: '#/components/schemas/ProviderName'
+              type: 'string'
             safeguard_results:
               items:
                 $ref: '#/components/schemas/AnthropicSafeguardResult'
@@ -17859,6 +17861,7 @@ components:
                 - 'Z.AI'
                 - 'FakeProvider'
               type: 'string'
+              x-speakeasy-unknown-values: 'allow'
             role:
               enum:
                 - 'assistant'
@@ -26263,6 +26266,7 @@ components:
             - 'FakeProvider'
           example: 'OpenAI'
           type: 'string'
+          x-speakeasy-unknown-values: 'allow'
         routed_service_tier:
           description: 'The service tier this request was routed to (e.g. flex, priority). The tier actually applied and billed is determined by the provider response and may differ.'
           enum:
@@ -30272,6 +30276,160 @@ components:
         - 'required'
         - 'function'
       type: 'object'
+    ToolSearchCallItem:
+      description: 'A tool search call the client executed'
+      example:
+        arguments:
+          query: 'weather'
+        call_id: 'call_search_1'
+        execution: 'client'
+        status: 'completed'
+        type: 'tool_search_call'
+      properties:
+        arguments: {}
+        call_id:
+          type: 'string'
+        execution:
+          enum:
+            - 'server'
+            - 'client'
+          type: 'string'
+        id:
+          type:
+            - 'string'
+            - 'null'
+        status:
+          enum:
+            - 'in_progress'
+            - 'completed'
+            - 'incomplete'
+            - null
+          type:
+            - 'string'
+            - 'null'
+        type:
+          enum:
+            - 'tool_search_call'
+          type: 'string'
+      required:
+        - 'type'
+        - 'call_id'
+        - 'execution'
+      type: 'object'
+    ToolSearchOutputItem:
+      description: 'The tools a client-executed tool search loaded'
+      example:
+        call_id: 'call_search_1'
+        execution: 'client'
+        status: 'completed'
+        tools:
+          - name: 'get_weather'
+            parameters:
+              properties:
+                location:
+                  type: 'string'
+              type: 'object'
+            type: 'function'
+        type: 'tool_search_output'
+      properties:
+        call_id:
+          type: 'string'
+        execution:
+          enum:
+            - 'server'
+            - 'client'
+          type: 'string'
+        id:
+          type:
+            - 'string'
+            - 'null'
+        status:
+          enum:
+            - 'in_progress'
+            - 'completed'
+            - 'incomplete'
+            - null
+          type:
+            - 'string'
+            - 'null'
+        tools:
+          items:
+            anyOf:
+              - allOf:
+                  - $ref: '#/components/schemas/FunctionTool'
+                  - properties:
+                      async:
+                        description: 'Lets the model keep working after calling this tool instead of waiting for its output. The tool is still executed by the client; return the result in a later request as a `function_call_output` with the original `call_id`. Only honored by providers whose Responses API supports async tools; ignored elsewhere.'
+                        example: true
+                        type: 'boolean'
+                      defer_loading:
+                        description: 'Withhold this tool from the model until `openrouter:tool_search` finds it. Requires the tool search server tool; at least one tool must remain non-deferred.'
+                        example: true
+                        type: 'boolean'
+                    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/NamespaceTool'
+              - $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/SearchModelsServerTool_OpenRouter'
+              - $ref: '#/components/schemas/WebFetchServerTool'
+              - $ref: '#/components/schemas/WebSearchServerTool_OpenRouter'
+              - $ref: '#/components/schemas/ApplyPatchServerTool_OpenRouter'
+              - $ref: '#/components/schemas/BashServerTool'
+              - $ref: '#/components/schemas/ShellServerTool_OpenRouter'
+              - $ref: '#/components/schemas/ToolSearchServerTool'
+              - additionalProperties: {}
+                properties:
+                  type:
+                    type: 'string'
+                required:
+                  - 'type'
+                type: 'object'
+          type: 'array'
+        type:
+          enum:
+            - 'tool_search_output'
+          type: 'string'
+      required:
+        - 'type'
+        - 'call_id'
+        - 'execution'
+        - 'tools'
+      type: 'object'
     ToolSearchServerTool:
       description: 'OpenRouter built-in server tool: finds tools marked `defer_loading` and makes them callable'
       example: