Java SDK MCP Server
Java applications interface with AI models via standardized protocol tools.
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Overview
The Java SDK MCP Server provides a framework for building and integrating MCP-compliant components within the Java ecosystem. It supports both synchronous and asynchronous communication patterns, allowing developers to create robust server and client implementations that conform to Model Context Protocol standards. Beyond core SDK features, the project includes integration with Spring Boot through Spring AI, enabling annotation-based method handling and standardized security configurations like OAuth 2.0 and API keys. The SDK is validated against the official MCP conformance test suite to ensure architectural alignment.
Our verdict
With a security score of 53/100, this project carries a high-risk designation. While it benefits from zero direct dependencies and active development, critical areas such as OAuth support and read-only mode configurations remain unreviewed. Because it is community-maintained rather than official and lacks an editorial audit, it is best suited for developers building non-sensitive Java applications who can manage their own security hardening.
- Zero direct dependencies reduce supply-chain surface area.
- Comprehensive documentation for both clients and servers.
- Integrated support for Spring Boot annotation-based handlers.
- Validated against official MCP conformance test suite.
- High-risk security score due to lack of editorial review.
- OAuth and read-only capabilities have not been reviewed.
- Not an official vendor-maintained project.
Compatibility
| Client | Local | Docker | Remote | Read-only |
|---|---|---|---|---|
| Claude Desktop | ||||
| Cursor | ||||
| VS Code | ||||
| Windsurf | ||||
| ChatGPT |
Frequently asked questions
›What are the minimum system requirements to use the MCP Java SDK?
The SDK requires Java 17 or higher.
›Does the SDK provide support for Spring Boot applications?
Yes, Spring AI MCP extends the Java SDK with dedicated Spring Boot starters for both clients and servers.
›Are security features like OAuth available?
Yes, the Spring AI MCP integration provides comprehensive support for OAuth 2.0 and API key-based security.
›What tools are required to run tests for this SDK locally?
Running the tests locally requires pre-installation of Docker and npx.
Changelog
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