feat(tools): use { input_schema, output_schema } for ToolDefinition

docs/static/llama-stack-spec.yaml

@@ -5322,12 +5322,30 @@ components:
           type: string
           description: >-
             (Optional) Human-readable description of what the tool does
-        parameters:
-          type: array
-          items:
-            $ref: '#/components/schemas/ToolParameter'
+        input_schema:
+          type: object
+          additionalProperties:
+            oneOf:
+              - type: 'null'
+              - type: boolean
+              - type: number
+              - type: string
+              - type: array
+              - type: object
           description: >-
-            (Optional) List of parameters this tool accepts
+            (Optional) JSON Schema for tool inputs (MCP inputSchema)
+        output_schema:
+          type: object
+          additionalProperties:
+            oneOf:
+              - type: 'null'
+              - type: boolean
+              - type: number
+              - type: string
+              - type: array
+              - type: object
+          description: >-
+            (Optional) JSON Schema for tool outputs (MCP outputSchema)
         metadata:
           type: object
           additionalProperties:
@@ -5346,50 +5364,6 @@ components:
       title: ToolDef
       description: >-
         Tool definition used in runtime contexts.
-    ToolParameter:
-      type: object
-      properties:
-        name:
-          type: string
-          description: Name of the parameter
-        parameter_type:
-          type: string
-          description: >-
-            Type of the parameter (e.g., string, integer)
-        description:
-          type: string
-          description: >-
-            Human-readable description of what the parameter does
-        required:
-          type: boolean
-          default: true
-          description: >-
-            Whether this parameter is required for tool invocation
-        items:
-          type: object
-          description: >-
-            Type of the elements when parameter_type is array
-        title:
-          type: string
-          description: (Optional) Title of the parameter
-        default:
-          oneOf:
-            - type: 'null'
-            - type: boolean
-            - type: number
-            - type: string
-            - type: array
-            - type: object
-          description: >-
-            (Optional) Default value for the parameter if not provided
-      additionalProperties: false
-      required:
-        - name
-        - parameter_type
-        - description
-        - required
-      title: ToolParameter
-      description: Parameter definition for a tool.
     TopKSamplingStrategy:
       type: object
       properties:
@@ -9667,6 +9641,50 @@ components:
         - parameters
       title: Tool
       description: A tool that can be invoked by agents.
+    ToolParameter:
+      type: object
+      properties:
+        name:
+          type: string
+          description: Name of the parameter
+        parameter_type:
+          type: string
+          description: >-
+            Type of the parameter (e.g., string, integer)
+        description:
+          type: string
+          description: >-
+            Human-readable description of what the parameter does
+        required:
+          type: boolean
+          default: true
+          description: >-
+            Whether this parameter is required for tool invocation
+        items:
+          type: object
+          description: >-
+            Type of the elements when parameter_type is array
+        title:
+          type: string
+          description: (Optional) Title of the parameter
+        default:
+          oneOf:
+            - type: 'null'
+            - type: boolean
+            - type: number
+            - type: string
+            - type: array
+            - type: object
+          description: >-
+            (Optional) Default value for the parameter if not provided
+      additionalProperties: false
+      required:
+        - name
+        - parameter_type
+        - description
+        - required
+      title: ToolParameter
+      description: Parameter definition for a tool.
     ToolGroup:
       type: object
       properties: