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mcp-spec

Model Context Protocol (MCP 仕様 2026-07-28, modelcontextprotocol.io) リファレンス。

JSON-RPC, server/discover, tools/call, subscriptions/listen, MRTR (InputRequiredResult), CacheableResult, Streamable HTTP, CIMD, MCP Apps (ui://), MCP Registry (server.json, MCPB), tasks 拡張。

ホスト設定・SDK は別スキル。

한국어 요약은 준비 중입니다. 원문 설명을 표시하고 있습니다.

설치 방법 보기

포함된 파일(141)

  • SKILL.md9.0 KB
  • references/authorization/access-token-usage.md2.5 KB
  • references/authorization/authorization-errors.md3.4 KB
  • references/authorization/authorization-flow.md4.5 KB
  • references/authorization/authorization-overview.md4.1 KB
  • references/authorization/authorization-security.md3.9 KB
  • references/authorization/authorization-server-discovery.md3.6 KB
  • references/authorization/client-id-metadata-documents.md4.3 KB
  • references/authorization/client-registration-fallbacks.md3.6 KB
  • references/authorization/README.md2.4 KB
  • references/authorization/resource-parameter.md2.1 KB
  • references/authorization/scope-selection.md2.5 KB
  • references/base-protocol/backward-compatibility.md3.6 KB
  • references/base-protocol/extension-negotiation.md1.4 KB
  • references/base-protocol/icons.md2.9 KB
  • references/base-protocol/json-schema-usage.md2.3 KB
  • references/base-protocol/messages.md2.2 KB
  • references/base-protocol/meta-field.md5.3 KB
  • references/base-protocol/protocol-version-negotiation.md2.3 KB
  • references/base-protocol/README.md2.5 KB
  • references/base-protocol/responses-and-errors.md3.6 KB
  • references/base-protocol/statelessness.md2.6 KB
  • references/client-features/elicitation-form-mode.md4.7 KB
  • references/client-features/elicitation-url-mode.md5.5 KB
  • references/client-features/elicitation.md5.1 KB
  • references/client-features/README.md1.9 KB
  • references/client-features/roots.md3.4 KB
  • references/client-features/sampling-with-tools.md5.9 KB
  • references/client-features/sampling.md7.0 KB
  • references/extensions/auth-extensions.md2.2 KB
  • references/extensions/client-matrix.md2.5 KB
  • references/extensions/enterprise-managed-authorization.md3.4 KB
  • references/extensions/extensions-overview.md4.4 KB
  • references/extensions/mcp-apps-build.md4.5 KB
  • references/extensions/mcp-apps.md3.2 KB
  • references/extensions/oauth-client-credentials.md4.1 KB
  • references/extensions/README.md2.4 KB
  • references/extensions/tasks.md3.9 KB
  • references/overview/architecture.md4.0 KB
  • references/overview/concepts-architecture.md5.7 KB
  • references/overview/concepts-client.md3.5 KB
  • references/overview/concepts-server.md3.7 KB
  • references/overview/concepts-versioning.md2.2 KB
  • references/overview/deprecated-features.md2.4 KB
  • references/overview/feature-lifecycle.md3.9 KB
  • references/overview/key-changes.md7.4 KB
  • references/overview/README.md2.0 KB
  • references/overview/specification-overview.md4.6 KB
  • references/patterns/cancellation.md3.5 KB
  • references/patterns/mrtr.md7.5 KB
  • references/patterns/patterns-overview.md3.1 KB
  • references/patterns/progress.md2.4 KB
  • references/patterns/README.md1.4 KB
  • references/patterns/subscriptions.md4.6 KB
  • references/registry/package-types.md3.1 KB
  • references/registry/README.md1.5 KB
  • references/registry/registry-about.md2.9 KB
  • references/registry/registry-aggregators.md2.6 KB
  • references/registry/registry-authentication.md2.8 KB
  • references/registry/registry-versioning.md2.5 KB
  • references/registry/remote-servers.md2.3 KB
  • references/registry/server-json.md3.5 KB
  • references/schema/common-types.md12.1 KB
  • references/schema/completion-types.md3.4 KB
  • references/schema/content.md3.5 KB
  • references/schema/discover-types.md7.1 KB
  • references/schema/elicitation-types.md7.2 KB
  • references/schema/errors.md7.2 KB
  • references/schema/json-rpc.md4.3 KB
  • references/schema/mrtr-types.md4.1 KB
  • references/schema/notifications-types.md5.7 KB
  • references/schema/prompts-types.md4.0 KB
  • references/schema/README.md4.0 KB
  • references/schema/resources-types.md6.2 KB
  • references/schema/roots-types.md2.9 KB
  • references/schema/sampling-types.md10.4 KB
  • references/schema/subscriptions-types.md6.3 KB
  • references/schema/tools-types.md7.8 KB
  • references/security/authorization-tutorial.md5.4 KB
  • references/security/confused-deputy.md4.9 KB
  • references/security/local-server-compromise.md4.6 KB
  • references/security/oauth-redirect-attacks.md4.2 KB
  • references/security/README.md2.9 KB
  • references/security/scope-minimization.md3.2 KB
  • references/security/security-best-practices.md2.6 KB
  • references/security/ssrf.md3.5 KB
  • references/security/state-handle-hijacking.md1.9 KB
  • references/security/token-passthrough.md2.9 KB
  • references/server-features/caching.md3.7 KB
  • references/server-features/completion.md3.0 KB
  • references/server-features/discover.md3.0 KB
  • references/server-features/logging.md3.0 KB
  • references/server-features/pagination.md2.2 KB
  • references/server-features/prompts.md4.7 KB
  • references/server-features/README.md3.3 KB
  • references/server-features/resource-change-notifications.md2.5 KB
  • references/server-features/resource-templates.md1.8 KB
  • references/server-features/resources.md4.9 KB
  • references/server-features/server-overview.md1.5 KB
  • references/server-features/tool-definition.md4.3 KB
  • references/server-features/tool-errors-and-state.md3.2 KB
  • references/server-features/tool-result.md4.0 KB
  • references/server-features/tools.md4.2 KB
  • references/tooling/build-with-agent-skills.md2.1 KB
  • references/tooling/client-best-practices.md4.4 KB
  • references/tooling/debugging.md3.7 KB
  • references/tooling/inspector.md2.3 KB
  • references/tooling/README.md1.1 KB
  • references/tooling/sdks.md2.2 KB
  • references/transports/custom-headers.md4.6 KB
  • references/transports/http-request-headers.md2.9 KB
  • references/transports/README.md1.9 KB
  • references/transports/server-validation.md2.2 KB
  • references/transports/stdio.md3.4 KB
  • references/transports/streamable-http.md4.6 KB
  • references/transports/transport-backward-compatibility.md3.1 KB
  • references/transports/transports-overview.md2.4 KB
  • samples/authorization-server-setup.md3.6 KB
  • samples/build-client-python.md4.8 KB
  • samples/build-client-typescript.md5.3 KB
  • samples/build-server-python.md2.5 KB
  • samples/build-server-typescript.md3.7 KB
  • samples/claude-desktop-local-server.md1.3 KB
  • samples/discover-exchange.md1.4 KB
  • samples/elicitation-requests.md1.9 KB
  • samples/error-responses.md2.0 KB
  • samples/mcp-app.md4.8 KB
  • samples/mrtr-input-required-flow.md2.8 KB
  • samples/oauth-client-credentials-sdk.md1.5 KB
  • samples/README.md3.5 KB
  • samples/registry-publish-github-actions.md2.9 KB
  • samples/streamable-http-exchange.md2.1 KB
  • samples/structured-tool-output.md1.5 KB
  • samples/subscriptions-listen.md2.1 KB
  • samples/tasks-extension.md2.0 KB
  • samples/tools-list-and-call.md2.5 KB
  • scripts/debugging-logs.md1.6 KB
  • scripts/inspector.md1.5 KB
  • scripts/install-sdks.md1.7 KB
  • scripts/mcp-publisher.md5.3 KB
  • scripts/README.md531 B

SKILL.md(원문)

설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.

mcp-spec

対象バージョン

  • MCP specification 2026-07-28(GitHub modelcontextprotocol/modelcontextprotocol のタグ 2026-07-28、non-prerelease、published 2026-07-28T16:47:49Z)
  • 本文の出典は raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/2026-07-28/<path> のみ。main / draft / 2026-07-28-RC は使用しない
  • バージョン無しのサイトパス(extensions/ registry/ community/)は取得日 2026-10-16 を記録。サイトと .md twin は main からビルドされるため本文の出典にしない
  • サイトの llms.txt に載る Inspector 配下のサブページと local-server-security はタグに存在しないため収録しない
  • 本スキルはプロトコル仕様そのものを扱う。.mcp.json / mcp_servers などのホスト側設定と各 SDK の利用法は、anthropic-claude-code-extend / anthropic-api-tools-mcp / anthropic-agent-sdk / openai-agents / openai-apps-sdk など各ホストスキルの担当

ディレクトリ構成

skills/mcp-spec/
  SKILL.md
  references/
    overview/             # 仕様概要・アーキテクチャ・版管理・主要変更・非推奨
      README.md
      specification-overview.md
      architecture.md
      concepts-architecture.md
      concepts-server.md
      concepts-client.md
      concepts-versioning.md
      key-changes.md
      deprecated-features.md
      feature-lifecycle.md
    base-protocol/        # メッセージ・エラー・版ネゴシエーション・statelessness
      README.md
      messages.md
      responses-and-errors.md
      statelessness.md
      json-schema-usage.md
      meta-field.md
      icons.md
      protocol-version-negotiation.md
      extension-negotiation.md
      backward-compatibility.md
    transports/           # stdio / Streamable HTTP / ヘッダー
      README.md
      transports-overview.md
      stdio.md
      streamable-http.md
      http-request-headers.md
      custom-headers.md
      server-validation.md
      transport-backward-compatibility.md
    authorization/        # OAuth ベースの認可フロー・CIMD・スコープ
      README.md
      authorization-overview.md
      authorization-flow.md
      authorization-server-discovery.md
      client-id-metadata-documents.md
      client-registration-fallbacks.md
      resource-parameter.md
      scope-selection.md
      access-token-usage.md
      authorization-errors.md
      authorization-security.md
    server-features/      # tools / resources / prompts / discover / caching 等
      README.md
      server-overview.md
      discover.md
      tools.md
      tool-definition.md
      tool-result.md
      tool-errors-and-state.md
      resources.md
      resource-templates.md
      resource-change-notifications.md
      prompts.md
      completion.md
      logging.md
      pagination.md
      caching.md
    client-features/      # sampling / elicitation / roots
      README.md
      sampling.md
      sampling-with-tools.md
      elicitation.md
      elicitation-form-mode.md
      elicitation-url-mode.md
      roots.md
    patterns/             # MRTR / subscriptions / cancellation / progress
      README.md
      patterns-overview.md
      mrtr.md
      subscriptions.md
      cancellation.md
      progress.md
    extensions/           # MCP Apps / Tasks / 認可拡張
      README.md
      extensions-overview.md
      client-matrix.md
      mcp-apps.md
      mcp-apps-build.md
      tasks.md
      auth-extensions.md
      oauth-client-credentials.md
      enterprise-managed-authorization.md
    registry/             # MCP Registry / server.json / 公開
      README.md
      registry-about.md
      server-json.md
      package-types.md
      remote-servers.md
      registry-authentication.md
      registry-versioning.md
      registry-aggregators.md
    security/             # セキュリティベストプラクティス・攻撃類型
      README.md
      security-best-practices.md
      confused-deputy.md
      token-passthrough.md
      ssrf.md
      state-handle-hijacking.md
      oauth-redirect-attacks.md
      local-server-compromise.md
      scope-minimization.md
      authorization-tutorial.md
    tooling/              # SDK・Inspector・デバッグ・クライアント実装指針
      README.md
      sdks.md
      inspector.md
      debugging.md
      client-best-practices.md
      build-with-agent-skills.md
    schema/               # スキーマ型定義(メソッド別)
      README.md
      json-rpc.md
      common-types.md
      errors.md
      content.md
      discover-types.md
      tools-types.md
      resources-types.md
      prompts-types.md
      completion-types.md
      sampling-types.md
      elicitation-types.md
      roots-types.md
      mrtr-types.md
      subscriptions-types.md
      notifications-types.md
  samples/
    README.md
    discover-exchange.md
    tools-list-and-call.md
    structured-tool-output.md
    error-responses.md
    streamable-http-exchange.md
    mrtr-input-required-flow.md
    subscriptions-listen.md
    elicitation-requests.md
    tasks-extension.md
    mcp-app.md
    authorization-server-setup.md
    oauth-client-credentials-sdk.md
    registry-publish-github-actions.md
    claude-desktop-local-server.md
    build-server-typescript.md
    build-server-python.md
    build-client-typescript.md
    build-client-python.md
  scripts/
    README.md
    install-sdks.md
    inspector.md
    debugging-logs.md
    mcp-publisher.md

探索手順

タスクからカテゴリを引き、カテゴリの README.md で目的のページを特定する:

  1. 下記マッピング表でタスクに対応するカテゴリを探す
  2. そのカテゴリの references/{category}/README.md を参照して目的のページを特定する
  3. 該当ページの .md を Read して詳細を確認する
  4. 実際のメッセージ例は samples/README.md、コマンドは scripts/README.md から引く
  5. 型の正確なフィールドは references/schema/ を参照する

タスク → カテゴリ マッピング

タスクカテゴリ参照 README
仕様全体像・Host / Client / Server 構成・バージョン管理・主要変更・非推奨機能を知りたいoverviewreferences/overview/README.md
JSON-RPC メッセージ・エラー・_meta・版ネゴシエーション・拡張ネゴシエーション・statelessness を知りたいbase-protocolreferences/base-protocol/README.md
stdio / Streamable HTTP のトランスポート・必須 HTTP ヘッダー・後方互換を知りたいtransportsreferences/transports/README.md
OAuth 認可フロー・CIMD・スコープ選択・認可サーバー探索・トークン利用を実装したいauthorizationreferences/authorization/README.md
server/discover・tools・resources・prompts・completion・logging・pagination・caching を実装したいserver-featuresreferences/server-features/README.md
sampling・elicitation(form / URL)・roots を実装したいclient-featuresreferences/client-features/README.md
MRTR・subscriptions/listen・cancellation・progress のパターンを知りたいpatternsreferences/patterns/README.md
MCP Apps・Tasks 拡張・認可拡張・拡張の対応クライアントを知りたいextensionsreferences/extensions/README.md
MCP Registry への公開・server.json・package types・認証・バージョニングを知りたいregistryreferences/registry/README.md
confused deputy・token passthrough・SSRF・ローカルサーバー侵害などの対策を知りたいsecurityreferences/security/README.md
SDK 一覧・Inspector・デバッグ・クライアント実装指針・コーディングアシスタント向け Agent Skills を知りたいtoolingreferences/tooling/README.md
メソッド別のスキーマ型(フィールド・必須性)を確認したいschemareferences/schema/README.md
典型的な使い方・メッセージ交換例・サーバー / クライアント構築例を知りたいsamplessamples/README.md
SDK セットアップ・Inspector・mcp-publisher・ログ確認のコマンドを知りたいscriptsscripts/README.md

리뷰

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