JetBrains Kotlin MCP SDK

Overview

The official Kotlin SDK for Model Context Protocol is developed through collaboration between Anthropic and JetBrains. This SDK provides an idiomatic Kotlin API for building MCP servers with first-class IDE integration support, making it the preferred choice for Kotlin and Android developers.

Features

Idiomatic Kotlin API

• Coroutines Support: Async/await patterns with Kotlin coroutines
• Type Safety: Leverage Kotlin's strong type system
• DSL Builders: Domain-specific language for server configuration
• Extension Functions: Clean, expressive API design

MCP Server Development

• Tool Definitions: Define MCP tools with Kotlin functions
• Resource Management: Expose resources to AI agents
• Prompt Templates: Create reusable prompt patterns
• Transport Layers: Support for stdio and HTTP transports

JetBrains IDE Integration

• IntelliJ IDEA: First-class IDE support
• Code Completion: Smart code suggestions
• Debugging: Full debugging capabilities
• Testing Tools: Built-in test framework support

Development Benefits

Kotlin Language Features

• Null safety
• Data classes
• Sealed classes for states
• Pattern matching
• Operator overloading

Multiplatform Support

• JVM applications
• Android development
• Native compilation
• JavaScript targets

Spring Boot Integration

• Easy Spring application integration
• Dependency injection support
• Configuration management
• Production-ready features

Use Cases

Enterprise Server Development

• Build production MCP servers in Kotlin
• Integrate with existing Kotlin/Java backends
• Leverage Spring ecosystem
• Deploy to enterprise infrastructure

Android MCP Applications

• Build Android apps with MCP integration
• On-device AI agent capabilities
• Mobile-first MCP servers
• Android service integration

Microservices Architecture

• MCP servers as microservices
• Service mesh integration
• Cloud-native deployments
• Kubernetes support

IntelliJ Plugin Development

• Build IDE plugins with MCP
• Enhance developer experience
• Integrate AI into development workflows
• Custom tool integrations

SDK Components

Core Library

• Protocol implementation
• Transport handlers
• Message serialization
• Error handling

Server Framework

• Server lifecycle management
• Tool registration and execution
• Resource provisioning
• Session management

Client Library

• MCP client implementation
• Connection management
• Request/response handling
• Stream processing

Example Server Types

REST API Wrapper

• Expose REST APIs as MCP tools
• Handle authentication
• Transform requests/responses
• Cache management

Database Access

• Safe database queries
• Schema introspection
• Transaction management
• Connection pooling

Business Logic

• Domain-specific operations
• Workflow orchestration
• Rule engine integration
• Event processing

Collaboration Benefits

Anthropic + JetBrains

• Official SDK backing
• Regular updates and maintenance
• IDE-first development experience
• Enterprise support

Community

• Growing Kotlin MCP ecosystem
• Sample projects and templates
• Active developer community
• Regular contributions

Integration

Works with any MCP client. Optimized for JetBrains IDEs. Compatible with Java, Kotlin, and JVM-based projects. Supports Gradle and Maven build systems.

Pricing

Free and open-source under Apache 2.0 license. IntelliJ IDEA Community Edition is free; Ultimate Edition requires subscription.