{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/agent-skills/refs/heads/main/json-schema/agent-skills-tool-call-schema.json",
  "title": "ToolCall",
  "description": "An AI agent's invocation of a tool skill with specific input parameters.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for this tool call instance.",
      "example": "toolu_01A09q90qw90lq917835lq9"
    },
    "type": {
      "type": "string",
      "description": "Content block type, always tool_use.",
      "example": "tool_use"
    },
    "name": {
      "type": "string",
      "description": "Name of the tool being called.",
      "example": "get_weather"
    },
    "input": {
      "type": "object",
      "description": "Input parameters provided to the tool, conforming to the tool's input_schema.",
      "example": { "location": "San Francisco, CA" }
    }
  },
  "required": ["id", "type", "name", "input"]
}