Spring Initializr MCP Server

What is Spring Initializr MCP Server?

Spring Initializr MCP Server is an MCP (Model Context Protocol) server that wraps the Spring Initializr API, allowing AI assistants to generate and download Spring Boot projects programmatically instead of manually visiting start.spring.io.

How to use Spring Initializr MCP Server?

Download the pre-built binary for your platform from the releases page, or build from source using Java 24 and GraalVM. Add the absolute path to the binary in your Claude Desktop configuration (claude_desktop_config.json) under mcpServers. Then ask your AI assistant to generate Spring Boot projects with specific dependencies, Java versions, and project structures.

Key features of Spring Initializr MCP Server

• Generate Spring Boot projects with custom configurations
• Support for Maven/Gradle, Java/Kotlin/Groovy, and multiple Java versions
• Add popular Spring Boot dependencies automatically
• Fast startup with GraalVM native compilation
• Native binaries for Linux, Windows, and macOS (x64 and ARM64)
• Automatic extraction of downloaded ZIP files

Use cases of Spring Initializr MCP Server

• Create a Spring Boot web application with Spring Data JPA, PostgreSQL, and Spring Security dependencies
• Generate a Kotlin Spring Boot project using Gradle with WebFlux and MongoDB
• Build a Maven-based Spring Boot project with Thymeleaf, Validation, and Actuator

FAQ from Spring Initializr MCP Server

What dependencies are supported?

All Spring Initializr dependencies are supported, including Web, Security, Data, Messaging, Cloud, Ops, AI, and Testing starters. The list is automatically updated by fetching the latest metadata from Spring Initializr.

How do I install it?

Download the pre-built native binary for your platform from the Releases page, or build from source using Java 24 and GraalVM with ./gradlew build && ./gradlew nativeCompile.

How do I use it with Claude Desktop?

Add the server to your Claude Desktop configuration file with the absolute path to the binary. On macOS/Linux edit ~/Library/Application Support/Claude/claude_desktop_config.json; on Windows edit %APPDATA%/Claude/claude_desktop_config.json.

What Java versions are supported?

Supported Java versions are 17, 21, and 24, with a default of 17.

What if project generation fails?

Check internet connectivity to Spring Initializr, verify the specified dependencies are valid, and ensure the download directory exists and is writable.