Lightweight Java MCP SDK: AJ-MCP Server

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Basic information

About Lightweight Java MCP SDK: AJ-MCP Server

Simple MCP SDK in Java

#mcp#java8#mcp-server #mcp-client #mcp-sdk #java-mcp

Lightweight Java MCP SDK: AJ-MCP Server config

No standard config provided

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Lightweight Java MCP SDK: AJ-MCP Server tools

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Overview

What is Lightweight Java MCP SDK: AJ-MCP?

AJ-MCP is a lightweight MCP (Model Context Protocol) SDK for Java that enables developers to build MCP clients and servers. It supports Java 8 and above, including Spring Boot 2.x, and requires only Jackson JSON and OKHttp as dependencies. Aimed at Java developers, it provides a simple, extensible way to bridge AI applications with any data source or system.

How to use Lightweight Java MCP SDK: AJ-MCP?

The SDK is available as three Maven modules: aj-mcp-common, aj-mcp-client, and aj-mcp-server. Developers reference these dependencies, along with the provided sample code, to build custom MCP clients or servers. Full examples and a user manual (https://mcp.ajaxjs.com/) guide implementation.

Key features of Lightweight Java MCP SDK: AJ-MCP

Lightweight with zero dependencies beyond Jackson JSON and OKHttp.
Supports Java 8 and above, and Spring Boot 2.x.
Includes a common library, client SDK, and server SDK.
Fully documented with working sample projects.
Easy to extend for custom integrations.

Use cases of Lightweight Java MCP SDK: AJ-MCP

Connecting AI models to a database for context-aware queries.
Integrating with internal enterprise systems via an MCP server.
Building a custom AI assistant that accesses company data.
Prototyping new MCP-based applications quickly with Java.

Frequently asked questions

What Java version does Lightweight Java MCP SDK: AJ-MCP require?

It supports Java 8 and above, including Java 11, 17, and later versions. Spring Boot 2.x is also supported.

What external dependencies does AJ-MCP need?

The SDK has minimal dependencies: only Jackson JSON for serialization and OKHttp for HTTP communication. No other libraries are required.

Which components are included in the SDK?

The SDK consists of three modules: `aj-mcp-common` (protocol implementation and common classes), `aj-mcp-client` (client SDK), and `aj-mcp-server` (server SDK). Sample projects are also provided.

Where can I find documentation and examples?

The official user manual is at https://mcp.ajaxjs.com/. The GitHub repository includes sample code in the `samples` directory.

Is the SDK open-source? What license does it use?

Yes, AJ-MCP is open-source under the GNU General Public License v3 (GPLv3).

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