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MCP(Model Context Protocol) minimal Kotlin client server sample
@takahirom
Overview
What is MCP minimal Kotlin client server sample?
A simple weather tool demonstrating server-client interaction using the Model Context Protocol (MCP). It is a Kotlin version of a minimal MCP client-server sample and is intended for demonstration purposes only.
How to use MCP minimal Kotlin client server sample?
The client is defined in src/main/kotlin/Client.kt and the server in server.main.kts. Run both scripts to see the weather tool in action. No additional configuration is documented.
Key features of MCP minimal Kotlin client server sample
- Demonstrates MCP initialization and tool discovery via JSON-RPC.
- Includes a
get_weathertool that returns a hardcoded response ("Sunny"). - Shows client-LLM-server interaction flow with sequence diagrams.
- Provides a minimal Kotlin implementation for educational purposes.
Use cases of MCP minimal Kotlin client server sample
- Learning how an MCP client discovers and calls a server tool.
- Testing MCP initialization and tool execution in a Kotlin environment.
- Demonstrating the round-trip between a user query, LLM, and tool server.
FAQ from MCP minimal Kotlin client server sample
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