MCP Kotlin SDK (official)
The official Kotlin Multiplatform SDK for MCP, maintained with JetBrains.
Sources and review
Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.
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.
MCP Kotlin SDK (official) is listed in this index written primarily in Kotlin, with 1.5k stars on GitHub. Its latest recorded repository push was in November 2026; that is not an ASE editorial review date.
MCP Kotlin SDK (official) and related category tools
Alternatives guide →| Record | Stars | Pricing | ||
|---|---|---|---|---|
| MCP Kotlin SDK (official)this listing | 1.5k | Kotlin | MIT AND Apache-2.0 | Costs not checked |
| Skybridge | 2.2k | TypeScript | MIT | Costs not checked |
| serena | 31k | Python | MIT | Costs not checked |
| MCP Java SDK (official) | 3.8k | Java | MIT | Costs not checked |
| MCP Go SDK (official) | 5.3k | Go | MIT AND Apache-2.0 | Costs not checked |
| csharp-sdk | 4.6k | C# | — | Costs not checked |
