Use the out-of-the-box plugins in the kernel

To provide a degree of standardization across Semantic Kernel implementations, the GitHub repo has several plugins available out-of-the-box depending on the language you are using. These plugins are often referred to as Core plugins. Additionally, each library also includes a handful of other plugins that you can use. The following section covers each set of plugins in more detail.

Core plugins

The core plugins are planned to be available in all languages since they are core to using Semantic Kernel. Below are the core plugins currently available in Semantic Kernel along with their current support for each language. The ❌ symbol indicates that the feature is not yet available in that language; if you would like to see a feature implemented in a language, please consider contributing to the project or opening an issue.

Plugin Description C# Python Java
ConversationSummaryPlugin To summarize a conversation *
FileIOPlugin To read and write to the filesystem
HttpPlugin To call APIs
MathPlugin To perform mathematical operations
TextMemoryPlugin To store and retrieve text in memory
TextPlugin To deterministically manipulating text strings *
TimePlugin To acquire the time of day and any other temporal information *
WaitPlugin To pause execution for a specified amount of time

You can find the full list of core plugins for each language by following the links below:

Using core plugins in Semantic Kernel

If you want to use one of the core plugins, you can easily import them into your project. For example, if you want to use the TimePlugin in either C# or Python, you can import it as follows.

When using a core plugin, be sure to include a using Microsoft.SemanticKernel.CoreSkills:

using Microsoft.SemanticKernel.CoreSkills;

// Instantiate a kernel and configure it

kernel.AddFromType<TimePlugin>();

const string promptTemplate = @"
Today is: {{time.Date}}
Current time is: {{time.Time}}

Answer to the following questions using JSON syntax, including the data used.
Is it morning, afternoon, evening, or night (morning/afternoon/evening/night)?
Is it weekend time (weekend/not weekend)?";

var results = await myKindOfDay.InvokePromptAsync(promptTemplate);
Console.WriteLine(results);

The output should be similar to the following:

{
  "date": "Wednesday, 21 June, 2023",
  "time": "12:17:02 AM",
  "period": "night",
  "weekend": "not weekend"
}

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