MCP Sample Java Application

What is MCP Sample Java Application?

A minimal Spring Boot application implementing an MCP server using Spring AI. It is designed to be used as an external MCP server for client applications and serves as a reference implementation for building MCP servers in Java.

How to use MCP Sample Java Application?

Clone the repository, build with mvn clean package, then configure your MCP client to launch the server using the generated JAR with optional --port and --host arguments.

Key features of MCP Sample Java Application

• Minimal Spring Boot MCP server implementation
• Built with Spring AI’s MCP server starter
• Configurable host and port at startup
• Runs as an external MCP server
• Compatible with multiple MCP clients (Cursor, Claude Desktop, VSCode)
• Sample/reference implementation for learning

Use cases of MCP Sample Java Application

• Learning how to build MCP servers with Spring Boot and Spring AI
• Testing MCP client applications against a sample server implementation
• Starting point for developing custom MCP servers in Java

FAQ from MCP Sample Java Application

What are the requirements to build and run MCP Sample Java Application?

Java 21 and Maven 3.8+ are required.

How do I configure a client to use MCP Sample Java Application?

Add a JSON configuration entry to your MCP client with the java -jar command, the path to the JAR, and optional --port and --host arguments.

What dependency does MCP Sample Java Application use?

It depends on spring-ai-starter-mcp-server-webmvc from the Spring AI project.

Which clients are compatible with MCP Sample Java Application?

The server can be used with Cursor, Claude Desktop, VSCode, and any MCP-compatible client.

Where does MCP Sample Java Application run?

It runs as an external process launched by the client; the server listens on a configurable host and port (defaulting to localhost:8080).