001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.bean.mcp.v20250618;
018
019/**
020 * MCP protocol version strings carried in {@code initialize} requests and results.
021 */
022@SuppressWarnings({
023   "java:S115" // Constant names encode protocol version dates verbatim (e.g., VERSION_2025_06_18).
024})
025public final class McpProtocol {
026
027   private McpProtocol() {}
028
029   /** JSON-RPC version token. */
030   public static final String JSON_RPC_2_0 = "2.0";
031
032   /**
033    * Default MCP protocol revision targeted by this bean module.
034    *
035    * <p>
036    * Matches the revision commonly used by current MCP HTTP deployments; adjust when the spec moves.
037    */
038   public static final String VERSION_2025_06_18 = "2025-06-18";
039}