Function createExecutionToolSchema

apps/sim/tools/params.ts:687–722

(toolConfig: ToolConfig)

 * Creates a complete tool schema for execution with all parameters
 */
export function createExecutionToolSchema(toolConfig: ToolConfig): ToolSchema {
  const schema: ToolSchema = {
    type: 'object',
    properties: {},
    required: [],
  }

  Object.entries(toolConfig.params).forEach(([paramId, param]) => {
    const propertySchema: any = {
      type: param.type === 'json' ? 'object' : param.type,
      description: param.description || '',
    }

    // Include items property for arrays
    if (param.type === 'array' && param.items) {
      propertySchema.items = {
        ...param.items,
        ...(param.items.properties && {
          properties: { ...param.items.properties },
        }),
      }
    } else if (param.items) {
      logger.warn(
        `items property ignored for non-array param "${paramId}" in tool "${toolConfig.id}"`
      )
    }

    schema.properties[paramId] = propertySchema

    if (param.required) {
      schema.required.push(paramId)
    }
  })

  return schema
}

/**
 * Deep merges inputMapping objects, where LLM values fill in empty/missing user values.