# MCP Java SDK (official)

> The official Java SDK for MCP clients and servers, maintained with Spring AI.

## Facts
- **Category:** [MCP Servers](https://agentsearchengine.app/category/mcp-servers)
- **Type:** SDK / library
- **Pricing:** Open source
- **GitHub stars:** 3,708
- **Language:** Java
- **License:** MIT
- **Last repo activity:** 4 days ago (Sep 18, 2026)
- **Official site:** https://java.sdk.modelcontextprotocol.io/latest/
- **Source code:** https://github.com/modelcontextprotocol/java-sdk
- **Listing on Agent Search Engine:** https://agentsearchengine.app/agents/mcp-java-sdk
- **Data verified:** September 2026

## Best for
JVM and Spring teams adding MCP to existing Java services.

## About MCP Java SDK (official)
The official MCP Java SDK, maintained in collaboration with Spring AI, lets Java applications implement MCP clients and servers with synchronous and asynchronous APIs. Spring AI extends it with Spring Boot client and server starters and annotation-based handlers.

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