Languages
Python 3.10+ · .NET 6.0+
Semantic Kernel
Microsoft’s enterprise SDK for integrating LLMs with plugins, planners, and vector stores. Deep Azure AI integration, MCP, A2A, and a bridge into the newer Microsoft Agent Framework.
Latest
Python v1.41.3 · .NET v1.74.0 · April 2026
Best for
Enterprise plugin-based agents, Microsoft 365 integrations, Azure-native apps.
Choose your language
Section titled “Choose your language” 🐍 Python v1.41.3 · asyncio, FastAPI, MCP client+server, A2A integration.
C# .NET v1.74.0 · DI, Polly resilience, Application Insights, ASP.NET Core.
Cross-cutting reference (language-agnostic)
Section titled “Cross-cutting reference (language-agnostic)” Comprehensive Architecture + concepts reference.
Production Deployment, scaling, monitoring.
Diagrams Architecture + flow diagrams.
Recipes Copy-paste patterns for common scenarios.
What’s new (April 2026)
Section titled “What’s new (April 2026)”- Vector stores v1.34 — new abstractions with pluggable providers.
- MCP client + server (March 2025).
- Google A2A protocol integration.
- Microsoft Agent Framework bridge for gradual migration.
Revision history
Section titled “Revision history”| Date | Framework version (installed) | Summary of changes | Reviewer |
|---|---|---|---|
| 2026-04-28 | semantic-kernel 1.41.3 | Version bumped 1.41.2 → 1.41.3 (patch release); version card and Python sub-index updated. PyPI confirms 1.41.3 as latest stable. | Claude routine |
| 2026-04-22 | semantic-kernel 1.41.2 | Python version corrected from stale 1.36.0 to 1.41.2 across this overview and the Python sub-index. PyPI confirms 1.41.2. frameworks.ts updated. | Claude routine |
| 2026-04-21 | Py 1.36.0 / .NET 1.74 | Version corrected against installed pip package; parent index as language selector + cross-cutting guides. | — |
| April 2026 | Py 1.36.0 / .NET 1.74 | Vector stores v1.34; MCP; A2A; Agent Framework bridge. | — |