# Semantic Kernel

> Microsoft's model-agnostic SDK for AI agents in C#, Python and Java, now succeeded by Microsoft Agent Framework.

## Facts
- **Category:** [Agent Frameworks](https://agentsearchengine.app/category/agent-frameworks)
- **Type:** Framework
- **Pricing:** Open source
- **GitHub stars:** 28,593
- **Language:** C#
- **License:** MIT
- **Last repo activity:** 4 days ago (Sep 19, 2026)
- **Official site:** https://aka.ms/semantic-kernel
- **Source code:** https://github.com/microsoft/semantic-kernel
- **Listing on Agent Search Engine:** https://agentsearchengine.app/agents/semantic-kernel
- **Data verified:** September 2026

## Best for
Maintaining existing Semantic Kernel applications in .NET, Python or Java.

## Avoid if
You're starting a new project; Microsoft directs new work to Microsoft Agent Framework.

## About Semantic Kernel
Semantic Kernel is Microsoft's model-agnostic SDK for building AI agents and multi-agent systems in C#, Python and Java. Microsoft now presents Microsoft Agent Framework 1.0 as its enterprise-ready successor, with stable APIs, long-term support and interoperability through A2A and MCP, and publishes a migration guide.

## Install

```
pip install semantic-kernel
```

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Source: [Agent Search Engine](https://agentsearchengine.app) — an independent, hand-curated index of AI agents, MCP servers, and frameworks. Rankings are never sold; sponsored placements are labeled and never numbered. Full directory: https://agentsearchengine.app/llms-full.txt