Juneau AI

Expose your services to AI agents over MCP.

import org.apache.juneau.rest.server.*;
import org.apache.juneau.rest.server.mcp.*;
import org.apache.juneau.rest.server.mcp.v20250618.McpRestServlet;

@Rest(path="/mcp")
public class MyMcpServlet extends McpRestServlet {

    @Override
    protected McpServerConfig createMcpConfig() {
        return new McpServerConfig()
            .setName("my-server").setVersion("1.0.0")
            .addTool(new MyEchoTool());
    }
}

MCP tools, prompts and resources served from a REST resource.
Two MCP protocol versions, each in its own module.
An MCP client, with auth.
Typed beans for the MCP wire messages.
A quickstart, and a guide to choosing your MCP setup.

Modules: juneau-rest-server-mcp, juneau-rest-server-mcp-v20250618, juneau-rest-server-mcp-v20260728, juneau-rest-client-mcp, juneau-rest-client-mcp-auth, juneau-rest-client-mcp-v20250618, juneau-rest-client-mcp-v20260728