MCP Server using Spring Boot Java

@mtwn105

Repository

Basic information

About MCP Server using Spring Boot Java

MCP Server using Spring Boot Java config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

MCP Server using Spring Boot Java tools

Get all users with pagination

Get all users with default pagination

Get a single user by ID

Search for users by query

Add a new user

Update a user

Delete a user

Overview

What is MCP Server using Spring Boot Java?

This server is a Model Context Protocol (MCP) implementation built with Spring Boot and Java 21. It exposes user management tools for AI assistants, integrating with the DummyJSON external API to provide user data operations.

How to use MCP Server using Spring Boot Java?

Clone the repository, build with mvn clean package, and run the resulting JAR with java -jar. The server listens on port 8090 and can be configured for STDIO transport or SSE transport via the /mcp/message endpoint. Test tools by sending POST requests with a JSON payload containing the desired tool name and parameters.

Key features of MCP Server using Spring Boot Java

Implements MCP server functionality using Spring AI
Exposes seven user management tools (CRUD + search)
Supports Standard Input/Output and Server-Sent Events transports
Uses synchronous communication mode
Integrates with DummyJSON external API for user data

Use cases of MCP Server using Spring Boot Java

AI assistants performing user CRUD operations via natural language
Automating user management workflows through MCP-enabled chat interfaces
Prototyping and demonstrating MCP server development with Java/Spring Boot
Testing MCP tool calls and responses using Postman or other HTTP clients

Frequently asked questions

What tools does the server expose?

The server provides seven tools: `getAllUsers`, `getAllUsersDefault`, `getUserById`, `searchUsers`, `addUser`, `updateUser`, and `deleteUser`.

What transports are supported?

Standard I/O (STDIO) for terminal-based communication and Server-Sent Events (SSE) via the `/mcp/message` endpoint.

What are the runtime requirements?

Java 21 or higher and Maven for building. The server runs on Spring Boot 3.4.3.

How do I test the server with Postman?

Send a POST request to `http://localhost:8090/mcp/message` with `Content-Type: application/json` and a body containing `toolCalls` with the tool name and parameters.

How can I configure this server in an MCP client?

Use the client configuration with `command: "java"` and `args` that include the STDIO system properties and the path to the built JAR file.

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