{"id":295,"date":"2026-06-30T14:46:17","date_gmt":"2026-06-30T05:46:17","guid":{"rendered":"https:\/\/www.wetch.co.jp\/ai\/?p=295"},"modified":"2026-06-30T14:46:17","modified_gmt":"2026-06-30T05:46:17","slug":"mcp%e4%bb%95%e6%a7%98%e3%80%8c2026-07-28%e3%80%8drc%e5%ae%8c%e5%85%a8%e8%a7%a3%e8%aa%ac%ef%bc%9a%e3%82%b9%e3%83%86%e3%83%bc%e3%83%88%e3%83%ac%e3%82%b9%e5%8c%96%e3%83%bbmcp-apps%e3%83%bbtasks%e3%81%a7","status":"publish","type":"post","link":"https:\/\/www.wetch.co.jp\/ai\/2026\/06\/30\/mcp%e4%bb%95%e6%a7%98%e3%80%8c2026-07-28%e3%80%8drc%e5%ae%8c%e5%85%a8%e8%a7%a3%e8%aa%ac%ef%bc%9a%e3%82%b9%e3%83%86%e3%83%bc%e3%83%88%e3%83%ac%e3%82%b9%e5%8c%96%e3%83%bbmcp-apps%e3%83%bbtasks%e3%81%a7\/","title":{"rendered":"MCP\u4ed5\u69d8\u300c2026-07-28\u300dRC\u5b8c\u5168\u89e3\u8aac\uff1a\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u5316\u30fbMCP Apps\u30fbTasks\u3067\u4f55\u304c\u5909\u308f\u308b\u304b"},"content":{"rendered":"<p><em>2026\u5e745\u670821\u65e5\u3001<a href=\"https:\/\/blog.modelcontextprotocol.io\/posts\/2026-07-28-release-candidate\" target=\"_blank\" rel=\"noopener\">Model Context Protocol\uff08MCP\uff09<\/a>\u306e\u6b21\u671f\u4ed5\u69d8\u300c2026-07-28\u300d\u304c\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\uff08RC\uff09\u3068\u3057\u3066\u30ed\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\u3002\u6b63\u5f0f\u516c\u958b\u306f2026\u5e747\u670828\u65e5\u306e\u4e88\u5b9a\u3002\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u30b3\u30a2\u30fbExtensions\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u30fbMCP Apps\u30fbTasks\u30a8\u30af\u30b9\u30c6\u30f3\u30b7\u30e7\u30f3\u30fb\u8a8d\u8a3c\u5f37\u5316\u30fb\u5ec3\u6b62\u30dd\u30ea\u30b7\u30fc\u3068\u30012024\u5e74\u672b\u306e\u30ed\u30fc\u30f3\u30c1\u4ee5\u6765\u6700\u5927\u306e\u6539\u5b9a\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u958b\u767a\u8005\u306e\u9593\u3067\u306f\u300cMCP 2.0\u300d\u3068\u3082\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u500b\u4eba\u958b\u767a\u8005\u304b\u3089\u30a4\u30f3\u30d5\u30e9\u30c1\u30fc\u30e0\u307e\u3067\u5f71\u97ff\u3059\u308b\u5909\u66f4\u70b9\u3092\u4f53\u7cfb\u7684\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/em><\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.wetch.co.jp\/ai\/wp-content\/uploads\/2026\/06\/ill-api.png\" alt=\"API\u30fb\u958b\u767a\u30a4\u30e9\u30b9\u30c8\"\/><\/figure>\n<h2>\u306a\u305c\u300cMCP 2.0\u300d\u3068\u547c\u3070\u308c\u308b\u306e\u304b<\/h2>\n<p>\u73fe\u884c\u306e\u5b89\u5b9a\u4ed5\u69d8\u306f<strong>2025-11-25<\/strong>\u3002\u6b21\u306e<strong>2026-07-28<\/strong>\u306f\u3001\u305d\u308c\u4ee5\u524d\u306e\u3059\u3079\u3066\u306e\u7248\u3068\u6bd4\u3079\u3066\u5909\u66f4\u70b9\u306e\u6570\u30fb\u5f71\u97ff\u7bc4\u56f2\u3068\u3082\u306b\u6700\u5927\u3067\u3059\u3002\u7279\u306b\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u5316\u306f\u300c\u3053\u308c\u307e\u3067\u6280\u8853\u7684\u306b\u53ef\u80fd\u3060\u3063\u305f\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3092\u3001\u5b9f\u969b\u306b\u904b\u7528\u53ef\u80fd\u306a\u30ec\u30d9\u30eb\u306b\u5f15\u304d\u4e0a\u3052\u308b\u5909\u66f4\u300d\u3068\u4f4d\u7f6e\u4ed8\u3051\u3089\u308c\u3066\u304a\u308a\u3001\u30ea\u30e2\u30fc\u30c8MCP\u30b5\u30fc\u30d0\u30fc\u3092\u672c\u756a\u74b0\u5883\u3067\u904b\u7528\u3059\u308b\u30c1\u30fc\u30e0\u306b\u3068\u3063\u3066\u306f\u76f4\u63a5\u7684\u306a\u7834\u58ca\u7684\u5909\u66f4\u3092\u542b\u307f\u307e\u3059\u3002<\/p>\n<p>RC\u306f10\u9031\u9593\u306e\u691c\u8a3c\u30a6\u30a3\u30f3\u30c9\u30a6\u4e2d\u3067\u3042\u308a\u3001Tier 1 SDK\u30e1\u30f3\u30c6\u30ca\u30fc\u306f\u3053\u306e\u671f\u9593\u5185\u306b\u5bfe\u5fdc\u3092\u5b8c\u4e86\u3059\u308b\u898b\u8fbc\u307f\u3067\u3059\u30027\u670828\u65e5\u4ee5\u964d\u306fRC\u5185\u5bb9\u304c\u6700\u7d42\u4ed5\u69d8\u3068\u3057\u3066\u78ba\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h2>1. \u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30d7\u30ed\u30c8\u30b3\u30eb\u3078\u306e\u79fb\u884c\uff08\u6700\u91cd\u8981\u5909\u66f4\uff09<\/h2>\n<h3>\u30bb\u30c3\u30b7\u30e7\u30f3\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u5ec3\u6b62<\/h3>\n<p>\u6700\u5927\u306e\u30d6\u30ec\u30a4\u30ad\u30f3\u30b0\u30c1\u30a7\u30f3\u30b8\u306f\u3001<strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u5c64\u306e\u5b8c\u5168\u5ec3\u6b62<\/strong>\u3067\u3059\u3002\u73fe\u884c\u4ed5\u69d8\u3067\u306f <code>initialize<\/code>\/<code>initialized<\/code> \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3068 <code>Mcp-Session-Id<\/code> \u30d8\u30c3\u30c0\u30fc\u3067\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u30012026-07-28\u3067\u306f\u3053\u308c\u3089\u304c\u3059\u3079\u3066\u524a\u9664\u3055\u308c\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>2025-11-25\uff08\u73fe\u884c\uff09<\/th>\n<th>2026-07-28\uff08RC\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406<\/td>\n<td>Mcp-Session-Id \u30d8\u30c3\u30c0\u30fc\u3067\u7dad\u6301<\/td>\n<td>\u5ec3\u6b62\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u5c64\u306f\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u521d\u671f\u5316<\/td>\n<td>initialize\/initialized \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af<\/td>\n<td>\u5ec3\u6b62<\/td>\n<\/tr>\n<tr>\n<td>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc<\/td>\n<td>\u30b9\u30c6\u30a3\u30c3\u30ad\u30fc\u30bb\u30c3\u30b7\u30e7\u30f3\u5fc5\u9808<\/td>\n<td>\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3 LB \u3067\u52d5\u4f5c<\/td>\n<\/tr>\n<tr>\n<td>\u30bb\u30c3\u30b7\u30e7\u30f3\u30b9\u30c8\u30a2<\/td>\n<td>\u5171\u6709\u30b9\u30c8\u30a2\u304c\u5fc5\u8981<\/td>\n<td>\u4e0d\u8981<\/td>\n<\/tr>\n<tr>\n<td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td>\n<td>Deep Packet Inspection<\/td>\n<td>Mcp-Method \u30d8\u30c3\u30c0\u30fc\u3067\u8efd\u91cf\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30ed\u30b9\u30b3\u30fc\u30eb\u72b6\u614b\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u300c\u30bb\u30c3\u30b7\u30e7\u30f3\u5909\u6570\u300d\u3067\u306f\u306a\u304f<strong>\u30c4\u30fc\u30eb\u5f15\u6570\u3068\u3057\u3066\u6e21\u3059\u30cf\u30f3\u30c9\u30eb<\/strong>\u3068\u3057\u3066\u8a2d\u8a08\u3057\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u65b0\u3057\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc: Mcp-Method \u3068 Mcp-Name<\/h3>\n<p>Streamable HTTP POST \u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306f2\u3064\u306e\u6a19\u6e96\u30d8\u30c3\u30c0\u30fc\u304c\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong><code>Mcp-Method<\/code><\/strong>: \u547c\u3073\u51fa\u3059\u64cd\u4f5c\uff08\u4f8b: <code>tools\/call<\/code>\uff09<\/li>\n<li><strong><code>Mcp-Name<\/code><\/strong>: \u30ea\u30bd\u30fc\u30b9\u540d<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3084\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u30ea\u30af\u30a8\u30b9\u30c8\u30dc\u30c7\u30a3\u3092\u958b\u304b\u305a\u306b\u30d8\u30c3\u30c0\u30fc\u3060\u3051\u3067\u64cd\u4f5c\u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30ec\u30fc\u30c8\u5236\u9650\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002Cloudflare \u3084 AWS ALB \u306e\u3088\u3046\u306a\u6c4e\u7528LB\u306e\u80cc\u5f8c\u3067\u305d\u306e\u307e\u307eMCP\u30b5\u30fc\u30d0\u30fc\u3092\u52d5\u304b\u305b\u308b\u306e\u306f\u3001\u3053\u306e\u5909\u66f4\u306e\u6069\u6075\u3067\u3059\u3002<\/p>\n<h3>\u30ec\u30b9\u30dd\u30f3\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5<\/h3>\n<p>\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u5316\u306b\u4f34\u3044\u3001<code>tools\/list<\/code> \u306a\u3069\u306e\u30ea\u30b9\u30c8\u30fb\u30ea\u30fc\u30c9\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u30b5\u30fc\u30d0\u30fc\u306f <code>ttlMs<\/code>\uff08TTL\u79d2\uff09\u3068 <code>cacheScope<\/code>\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u7bc4\u56f2\uff09\u3092\u8fd4\u5374\u306b\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u7a4d\u6975\u7684\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u524a\u6e1b\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.wetch.co.jp\/ai\/wp-content\/uploads\/2026\/06\/mcp-network-infrastructure.jpg\" alt=\"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\uff08\u30d5\u30a1\u30a4\u30d0\u30fc\u30b1\u30fc\u30d6\u30eb\uff09\"\/><figcaption><small>Photo: <a href=\"https:\/\/www.flickr.com\/photos\/27406286@N05\/4218894050\" target=\"_blank\" rel=\"noopener\">Mike Cattell<\/a> \/ CC BY 2.0\uff08Openverse\u7d4c\u7531\uff09<\/small><\/figcaption><\/figure>\n<h2>2. Extensions\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/h2>\n<p>\u65b0\u4ed5\u69d8\u3067\u306f <code>ClientCapabilities<\/code> \u3068 <code>ServerCapabilities<\/code> \u306b <code>extensions<\/code> \u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u8ffd\u52a0\u3055\u308c\u3001\u30b3\u30a2\u30d7\u30ed\u30c8\u30b3\u30eb\u5916\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u62e1\u5f35\u3092\u30cd\u30b4\u30b7\u30a8\u30fc\u30c8\u3067\u304d\u308b\u4ed5\u7d44\u307f\u304c\u5c0e\u5165\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a2d\u8a08\u306b\u3088\u308a\u3001\u65b0\u6a5f\u80fd\u306f\u300c\u30b3\u30a2\u306b\u7d44\u307f\u8fbc\u3080\u524d\u306bExtension\u3068\u3057\u3066\u8a66\u9a13\u904b\u7528\u3059\u308b\u300d\u3068\u3044\u3046<strong>\u6bb5\u968e\u7684\u306a\u63a1\u7528\u30d1\u30b9<\/strong>\u3092\u5f97\u307e\u3057\u305f\u3002\u4eca\u5f8c\u306e\u8ffd\u52a0\u6a5f\u80fd\u306f\u57fa\u672c\u7684\u306bExtension\u3068\u3057\u3066\u767b\u5834\u3057\u3001\u5341\u5206\u306b\u5b89\u5b9a\u3057\u305f\u6bb5\u968e\u3067\u4ed5\u69d8\u30b3\u30a2\u3078\u6607\u683c\u3059\u308b\u304b\u3001Extension\u306e\u307e\u307e\u7dad\u6301\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306eRC\u3067\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u306eExtension\u304c\u540c\u68b1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>3. MCP Apps Extension\uff1a\u30b5\u30fc\u30d0\u30fc\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0UI<\/h2>\n<p><a href=\"https:\/\/blog.modelcontextprotocol.io\/posts\/2026-01-26-mcp-apps\/\" target=\"_blank\" rel=\"noopener\">MCP Apps<\/a>\uff08SEP-1865\uff09\u306f\u3001<strong>\u30b5\u30fc\u30d0\u30fc\u304c\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306aHTML UI\u3092\u63d0\u4f9b\u3067\u304d\u3001\u30db\u30b9\u30c8\uff08Claude\u7b49\uff09\u304c\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5316\u3055\u308c\u305fiframe\u5185\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b<\/strong>\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30c4\u30fc\u30eb\u306fUI\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4e8b\u524d\u306b\u5ba3\u8a00\u3057\u3001\u30db\u30b9\u30c8\u306f\u30d7\u30ea\u30d5\u30a7\u30c3\u30c1\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d3\u30e5\u30fc\u3092\u6e08\u307e\u305b\u305f\u72b6\u614b\u3067UI\u3092\u63d0\u793a\u3067\u304d\u308b<\/li>\n<li>UI\u4e0a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u901a\u5e38\u306eJSON-RPC\u30c4\u30fc\u30eb\u547c\u3073\u51fa\u3057\u3068\u540c\u4e00\u306e\u76e3\u67fb\u30fb\u540c\u610f\u30d1\u30b9\u3092\u7d4c\u7531<\/li>\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e2\u30c7\u30eb\u3092\u58ca\u3055\u305a\u306b\u3001\u30c1\u30e3\u30c3\u30c8\u5916\u3067\u30ea\u30c3\u30c1\u306a\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u304c\u53ef\u80fd\u306b\u306a\u308b<\/li>\n<\/ul>\n<p>\u6d3b\u7528\u4f8b: \u30ab\u30ec\u30f3\u30c0\u30fc\u9078\u629eUI\u30fb\u30d5\u30a9\u30fc\u30e0\u5165\u529b\u30fb\u30d7\u30ec\u30d3\u30e5\u30fc\u753b\u9762\u306a\u3069\u3001\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u3084\u308a\u3068\u308a\u3067\u306f\u4e0d\u4fbf\u306a\u64cd\u4f5c\u3092\u8996\u899a\u7684\u306b\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>4. Tasks Extension\uff1a\u9577\u6642\u9593\u5b9f\u884c\u30bf\u30b9\u30af<\/h2>\n<p>2025-11-25\u306e\u5b9f\u9a13\u7684\u6a5f\u80fd\u3060\u3063\u305fTasks\u304c\u3001\u518d\u8a2d\u8a08\u3055\u308c\u3066Extension\u3068\u3057\u3066\u6607\u683c\u3057\u307e\u3057\u305f\u3002\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u306a\u4e16\u754c\u306b\u5408\u308f\u305b\u305f\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u52d5\u4f5c\u30e2\u30c7\u30eb\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u306f <code>tools\/call<\/code> \u306b\u5bfe\u3057\u3066\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u306a\u7d50\u679c\u306e\u4ee3\u308f\u308a\u306b<strong>\u30bf\u30b9\u30af\u30cf\u30f3\u30c9\u30eb<\/strong>\u3092\u8fd4\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u4ee5\u4e0b\u306eAPI\u3067\u30bf\u30b9\u30af\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>tasks\/get<\/code> \u2014 \u73fe\u5728\u306e\u72b6\u614b\u3092\u53d6\u5f97<\/li>\n<li><code>tasks\/update<\/code> \u2014 \u9032\u6357\u3092\u66f4\u65b0<\/li>\n<li><code>tasks\/cancel<\/code> \u2014 \u30ad\u30e3\u30f3\u30bb\u30eb<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u70b9<\/strong>: \u65e7\u5b9f\u9a13\u7684Tasks API\uff08<code>tasks\/list<\/code>\u30fb<code>tasks\/result<\/code> \u7b49\uff09\u306f\u5ec3\u6b62\u3002RC\u306e\u65b0\u3057\u3044API\u4f53\u7cfb\u306b\u79fb\u884c\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h2>5. \u5ec3\u6b62\u4e88\u5b9a\u6a5f\u80fd\uff0812\u304b\u6708\u7336\u4e88\u671f\u9593\u3042\u308a\uff09<\/h2>\n<p>\u65b0\u3057\u3044<a href=\"https:\/\/blog.modelcontextprotocol.io\/posts\/2026-07-28-release-candidate#how-the-protocol-evolves-from-here\" target=\"_blank\" rel=\"noopener\">\u30d5\u30a3\u30fc\u30c1\u30e3\u30fc\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u30dd\u30ea\u30b7\u30fc<\/a>\uff08SEP-2577\uff09\u306e\u3082\u3068\u3001\u4ee5\u4e0b\u306e3\u6a5f\u80fd\u304c<strong>\u5ec3\u6b62\u4e88\u5b9a<\/strong>\u3068\u306a\u308a\u307e\u3057\u305f\u30027\u670828\u65e5\u4ee5\u964d\u3082\u6700\u4f4e12\u304b\u6708\u9593\u306f\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u4ee3\u66ff\u624b\u6bb5\u3078\u306e\u79fb\u884c\u8a08\u753b\u3092\u4eca\u304b\u3089\u59cb\u3081\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5ec3\u6b62\u4e88\u5b9a\u6a5f\u80fd<\/th>\n<th>\u5f71\u97ff\u30fb\u4ee3\u66ff\u624b\u6bb5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Sampling<\/strong><\/td>\n<td>LLM\u3078\u306e\u76f4\u63a5\u30d7\u30ed\u30d0\u30a4\u30c0\u30fcAPI\u547c\u3073\u51fa\u3057\u306b\u79fb\u884c<\/td>\n<\/tr>\n<tr>\n<td><strong>Roots<\/strong><\/td>\n<td>\u30c4\u30fc\u30eb\u5f15\u6570\u3067\u30eb\u30fc\u30c8\u3092\u660e\u793a\u7684\u306b\u6e21\u3059\u8a2d\u8a08\u3078<\/td>\n<\/tr>\n<tr>\n<td><strong>Logging<\/strong><\/td>\n<td>\u6a19\u6e96\u7684\u306aOpenTelemetry\u7b49\u306e\u89b3\u6e2c\u57fa\u76e4\u306b\u79fb\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>6. \u8a8d\u8a3c\u5f37\u5316: OAuth \/ OIDC \u3068\u306e\u6574\u5408<\/h2>\n<p>\u8a8d\u8a3c\u5468\u308a\u3082\u73fe\u884c\u306e <a href=\"https:\/\/modelcontextprotocol.io\/\" target=\"_blank\" rel=\"noopener\">MCP<\/a> \u4ed5\u69d8\u304b\u3089\u5927\u5e45\u306b\u6574\u7406\u3055\u308c\u307e\u3059\u3002\u4e3b\u306a\u5909\u66f4\u70b9\u306f\u3001<\/p>\n<ul>\n<li>\u6a19\u6e96\u7684\u306aOAuth 2.0 \/ OpenID Connect\u306e\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u30d1\u30bf\u30fc\u30f3\u306b\u8fd1\u3044\u5f62\u306b\u518d\u8a2d\u8a08<\/li>\n<li><code>iss<\/code> \u30af\u30ec\u30fc\u30e0\u3068 <code>application_type<\/code> \u306e\u6271\u3044\u304c\u660e\u78ba\u5316<\/li>\n<li>\u9759\u7684\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u306e\u5ec3\u6b62\u63a8\u5968<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u65e2\u5b58\u306e\u793e\u5185OAuth\u30a4\u30f3\u30d5\u30e9\u3084ID\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u306e\u7d71\u5408\u304c\u3088\u308a\u81ea\u7136\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>7. Full JSON Schema 2020-12<\/h2>\n<p>\u30c4\u30fc\u30eb\u5b9a\u7fa9\u3067\u4f7f\u7528\u3067\u304d\u308bJSON\u30b9\u30ad\u30fc\u30de\u304c\u65e7\u7248\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\u304b\u3089<strong>JSON Schema 2020-12<\/strong>\u306e\u30d5\u30eb\u30bb\u30dd\u30fc\u30c8\u306b\u62e1\u5f35\u3055\u308c\u307e\u3059\u3002<code>if\/then\/else<\/code>\u30fb<code>unevaluatedProperties<\/code>\u30fb\u30a2\u30f3\u30ab\u30fc\u7b49\u3001\u8907\u96d1\u306a\u5165\u529b\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u4ed5\u69d8\u5185\u3067\u8868\u73fe\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u79fb\u884c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff087\u670828\u65e5\u307e\u3067\u306b\uff09<\/h2>\n<ol>\n<li><strong>\u30bb\u30c3\u30b7\u30e7\u30f3\u4f9d\u5b58\u3092\u6392\u9664\u3059\u308b<\/strong>: <code>Mcp-Session-Id<\/code> \u30d8\u30c3\u30c0\u30fc\u30fb<code>initialize<\/code> \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u3092\u7279\u5b9a\u3057\u3001\u72b6\u614b\u7ba1\u7406\u3092\u30cf\u30f3\u30c9\u30eb\u30d9\u30fc\u30b9\u306b\u66f8\u304d\u76f4\u3059<\/li>\n<li><strong>\u30d8\u30c3\u30c0\u30fc\u5bfe\u5fdc<\/strong>: Streamable HTTP POST\u306b <code>Mcp-Method<\/code>\u30fb<code>Mcp-Name<\/code> \u30d8\u30c3\u30c0\u30fc\u3092\u4ed8\u4e0e\u3059\u308b<\/li>\n<li><strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306e\u5909\u66f4<\/strong>: \u30b9\u30c6\u30a3\u30c3\u30ad\u30fc\u30bb\u30c3\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3092\u5916\u3057\u3001\u30e9\u30a6\u30f3\u30c9\u30ed\u30d3\u30f3\u306b\u5207\u308a\u66ff\u3048\u3089\u308c\u308b\u304b\u691c\u8a3c\u3059\u308b<\/li>\n<li><strong>TTL\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8a2d\u5b9a\u3059\u308b<\/strong>: <code>tools\/list<\/code> \u7b49\u306b <code>ttlMs<\/code> \u3068 <code>cacheScope<\/code> \u3092\u4ed8\u4e0e\u3059\u308b<\/li>\n<li><strong>\u65e7Tasks API\u306e\u79fb\u884c<\/strong>: \u5b9f\u9a13\u7684Tasks\uff08<code>tasks\/list<\/code>\u7b49\uff09\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u65b0Extension\u306b\u66f4\u65b0\u3059\u308b<\/li>\n<li><strong>\u5ec3\u6b62\u6a5f\u80fd\u306e\u4f9d\u5b58\u78ba\u8a8d<\/strong>: Sampling\/Roots\/Logging\u3078\u306e\u4f9d\u5b58\u7b87\u6240\u3092\u628a\u63e1\u3057\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u306b\u7d44\u307f\u8fbc\u3080<\/li>\n<\/ol>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>MCP 2026-07-28 RC\u306f\u5358\u306a\u308b\u30de\u30a4\u30ca\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u300c\u958b\u767a\u8005\u306e\u304a\u3082\u3061\u3083\u300d\u304b\u3089<strong>\u672c\u756a\u30a4\u30f3\u30d5\u30e9\u3068\u3057\u3066\u6a19\u6e96\u5316\u3067\u304d\u308b\u30ec\u30d9\u30eb<\/strong>\u306b\u6210\u719f\u3057\u305f\u3053\u3068\u3092\u793a\u3059\u7bc0\u76ee\u3067\u3059\u3002\u7834\u58ca\u7684\u5909\u66f4\u3092\u542b\u307f\u307e\u3059\u304c\u300112\u304b\u6708\u306e\u7336\u4e88\u671f\u9593\u3068\u660e\u78ba\u306a\u79fb\u884c\u30d1\u30b9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u304a\u308a\u3001\u4eca\u304b\u3089\u6e96\u5099\u3059\u308c\u30707\u670828\u65e5\u306e\u6b63\u5f0f\u516c\u958b\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u8fce\u3048\u3089\u308c\u307e\u3059\u3002RC\u671f\u9593\u4e2d\u306b\u554f\u984c\u3092\u898b\u3064\u3051\u305f\u5834\u5408\u306f\u3001<a href=\"https:\/\/github.com\/modelcontextprotocol\/modelcontextprotocol\" target=\"_blank\" rel=\"noopener\">\u4ed5\u69d8\u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u306bIssue\u3092\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr \/>\n<h2>\u4e3b\u306a\u60c5\u5831\u6e90<\/h2>\n<ul>\n<li><a href=\"https:\/\/blog.modelcontextprotocol.io\/posts\/2026-07-28-release-candidate\" target=\"_blank\" rel=\"noopener\">The 2026-07-28 MCP Specification Release Candidate \u2014 Model Context Protocol Blog<\/a><\/li>\n<li><a href=\"https:\/\/mcpplaygroundonline.com\/blog\/mcp-stateless-2026-release-candidate\" target=\"_blank\" rel=\"noopener\">MCP Goes Stateless: What the 2026 Release Candidate Changes \u2014 MCP Playground<\/a><\/li>\n<li><a href=\"https:\/\/stacktr.ee\/blog\/mcp-2026-spec-changes\" target=\"_blank\" rel=\"noopener\">What changed in the 2026-07 MCP specification \u2014 Stacktree<\/a><\/li>\n<li><a href=\"https:\/\/www.truefoundry.com\/blog\/mcp-apps-tasks-gateway-governance\" target=\"_blank\" rel=\"noopener\">Governing MCP Apps and Tasks at the Gateway \u2014 TrueFoundry<\/a><\/li>\n<\/ul>\n<p><small>\u5404\u30c4\u30fc\u30eb\u306f\u63d0\u4f9b\u5143\u306e\u898f\u7d04\u306b\u5f93\u3063\u3066\u3054\u5229\u7528\u304f\u3060\u3055\u3044\u3002\u60c5\u5831\u306f\u5404\u60c5\u5831\u6e90\u306e\u516c\u958b\u6642\u70b9\u306e\u3082\u306e\u3067\u3059\u3002\u53ce\u96c6\u30fb\u8981\u7d04\u306fAI\u3001\u516c\u958b\u5224\u65ad\u306f\u4eba\u3002<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2026\u5e745\u670821\u65e5\u306b\u30ed\u30c3\u30af\u6e08\u307f\u306eMCP\u30ea\u30ea\u30fc\u30b9\u5019\u88dc\u306f\u300cMCP 2.0\u300d\u3068\u3082\u547c\u3070\u308c\u308b\u6700\u5927\u306e\u6539\u5b9a\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u5ec3\u6b62\u306b\u3088\u308b\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u5316\u3001MCP Apps\u3068Tasks\u306e\u62e1\u5f35\u4ed5\u69d8\u5316\u3001Roots\/Sampling\/Logging\u306e\u5ec3\u6b62\u4e88\u5b9a\u307e\u3067\u30017\u670828\u65e5\u306e\u6b63\u5f0f\u516c\u958b\u524d\u306b\u62bc\u3055\u3048\u3066\u304a\u304d\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":41,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"page_builder":"","footnotes":""},"categories":[11],"tags":[],"class_list":["post-295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-claude-mcp"],"_links":{"self":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts\/295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/comments?post=295"}],"version-history":[{"count":1,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts\/295\/revisions"}],"predecessor-version":[{"id":296,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/posts\/295\/revisions\/296"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/media\/41"}],"wp:attachment":[{"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/media?parent=295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/categories?post=295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wetch.co.jp\/ai\/wp-json\/wp\/v2\/tags?post=295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}