# MCP Kotlin SDK (official)

> The official Kotlin Multiplatform SDK for MCP, maintained with JetBrains.

## Facts
- **Category:** [MCP Servers](https://agentsearchengine.app/category/mcp-servers)
- **Type:** SDK / library
- **Pricing:** Open source
- **GitHub stars:** 1,462
- **Language:** Kotlin
- **License:** MIT AND Apache-2.0
- **Last repo activity:** today (Sep 22, 2026)
- **Official site:** https://modelcontextprotocol.github.io/kotlin-sdk/
- **Source code:** https://github.com/modelcontextprotocol/kotlin-sdk
- **Listing on Agent Search Engine:** https://agentsearchengine.app/agents/mcp-kotlin-sdk
- **Data verified:** September 2026

## Best for
Kotlin teams targeting several platforms from one MCP codebase.

## About MCP Kotlin SDK (official)
The official MCP Kotlin SDK, maintained in collaboration with JetBrains, is a Kotlin Multiplatform library for implementing MCP clients and servers on the JVM, Native, JS and Wasm. It supports stdio, streamable HTTP, SSE and WebSocket transports and uses Ktor for HTTP.

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