{ "format": "agent-article-v0", "article_id": "EA-132", "canonical_url": "/tools/ea-132-google-adk", "page_type": "reference", "claim_ids": [], "evidence_ids": [ "EVD-EA-132-URL-F38840ABF1E2", "EVD-EA-132-URL-10EAE276FC8F", "EA-132-R11-RESEARCH", "EA-132-R11-WEB-READBACK" ], "unknown_ids": [ "EA-132-UNKNOWN-01", "EA-132-UNKNOWN-02", "EA-132-UNKNOWN-CURRENTNESS" ], "operational_object_ids": [], "provider": [ "Google", "Gemini" ], "models": [], "plans": [], "surfaces": [], "regions": [], "current_status": "UNKNOWN", "observation_status": "SPEC_ONLY", "freshness": "UNKNOWN", "last_verified": null, "supersedes": [], "superseded_by": [], "provenance": [ "COMM-043-EA0132", "SRC-EA-132-URL-F38840ABF1E2", "SRC-EA-132-URL-10EAE276FC8F", "WEBBODY-EA0132-R8-1A242F91" ], "article_sources": [ { "id": "EVD-EA-132-URL-F38840ABF1E2", "evidence_class": "RESEARCH", "title": "source_class=official project documentation; exact_title=Agent Development Kit (ADK); author/org=Google; canonical_url=", "href": "https://adk.dev/", "supports": [], "limit": "元の監査済み資料に記載された参照先です。URLの復元は、資料の最新性や全主張の支持を新たに検証したことを意味しません。", "origin_class": "SOURCE_PACKET_REFERENCE", "source_or_experiment_ids": [ "SRC-EA-132-URL-F38840ABF1E2" ], "supporting_locators": [ "EVIDENCE_TABLE", "- source_class=official project documentation; exact_title=Agent Development Kit (ADK); author/org=Google; canonical_url=https://adk.dev/" ], "scope": "EVIDENCE_TABLE", "provenance_status": "SOURCE_PACKET_REFERENCE_PROJECTED" }, { "id": "EVD-EA-132-URL-10EAE276FC8F", "evidence_class": "RESEARCH", "title": "source_class=official project documentation; exact_title=Agent Development Kit (ADK); author/org=Google; canonical_url=https://adk.dev/; publication/update/access_date=current docs", "href": "https://google.github.io/adk-docs/", "supports": [], "limit": "元の監査済み資料に記載された参照先です。URLの復元は、資料の最新性や全主張の支持を新たに検証したことを意味しません。", "origin_class": "SOURCE_PACKET_REFERENCE", "source_or_experiment_ids": [ "SRC-EA-132-URL-10EAE276FC8F" ], "supporting_locators": [ "EVIDENCE_TABLE", "- source_class=official project documentation; exact_title=Agent Development Kit (ADK); author/org=Google; canonical_url=https://adk.dev/; publication/update/access_date=current docs (redirected from https://google.github.io/adk-docs/" ], "scope": "EVIDENCE_TABLE", "provenance_status": "SOURCE_PACKET_REFERENCE_PROJECTED" }, { "id": "EA-132-R11-RESEARCH", "evidence_class": "RESEARCH", "title": "EA-132 監査済みresearch / canonical revision binding", "supports": [ "- ESTABLISHED: 公式DocsはADKをagentの開発・debug・deployのためのopen-source frameworkとして説明し、複数言語、tools、multi-agent/graph workflow、deterministic codeとadaptive AI、Gemini/他provider/local model、evaluation/deploymentの概念を記載している。\n- NOT_ESTABLISHED: ADKの存在・対応言語の記述は、各言語のfeature parity、各model/providerの実利用可否、Google Cloud/Workspaceの特定契約、production安全性・性能保証を確立しない。" ], "limit": "canonical監査・revision bindingの存在を示す。外部ソースcurrentnessが本文またはcontrol-planeで確定していない場合は、currentnessをUNKNOWNのまま保持する。", "origin_class": "AUDITED_CANONICAL_RESEARCH_PACKET", "source_or_experiment_ids": [ "COMM-043-EA0132" ], "supporting_locators": [ "COMM-043-EA0132", "EA-132-R5-LEGACY-MIGRATION-20261008-R1", "content/staging/EA-132.md" ], "scope": "監査済みEA本文・canonical revision・既存Source Graph relationの範囲。欠損currentnessは推測で閉じない。", "provenance_status": "AUDIT_PASS_CANONICAL_BINDING" }, { "id": "EA-132-R11-WEB-READBACK", "evidence_class": "IMPL", "title": "EA-132 Web body identity / canonical readback", "supports": [ "canonical staging bodyのSHA-256一致とR9 canonical ledger readbackをProduction projectionの入力として検証する。" ], "limit": "body identity/readbackは本文claim自体の真偽や外部ソースの最新性を追加保証しない。", "checked_at": null, "origin_class": "IMPLEMENTATION_READBACK", "source_or_experiment_ids": [ "WEBBODY-EA0132-R8-1A242F91" ], "supporting_locators": [ "WEBBODY-EA0132-R8-1A242F91", "content/staging/EA-132.md", "EA-132-R5-LEGACY-MIGRATION-20261008-R1" ], "scope": "R9/R10 canonical readback後のProduction生成時body identity。", "provenance_status": "CANONICAL_READBACK_BODY_HASH_MATCH" } ], "research_sections": [ { "heading": "WHY_THIS_MATTERS_TO_UPDATE", "text": "Google系agent開発の現行OSS frameworkとして、model・tool・workflow・evaluation・deploymentの境界をprovider mappingへ記録する。Google ADKとGemini製品・Workspace Studioの可用性を混同しないための棚が必要。" }, { "heading": "SCOPE_ROUTING", "text": "provider mapping / implementation / interoperability / benchmark / governance / operability。" }, { "heading": "CLAIM_OR_RESEARCH_QUESTION", "text": "現行公式DocsがADKの対応言語、agent/workflow、model接続、evaluation/deploymentをどの範囲で明示しているか。" }, { "heading": "EVIDENCE_TABLE", "text": "- source_class=official project documentation; exact_title=Agent Development Kit (ADK); author/org=Google; canonical_url=https://adk.dev/; publication/update/access_date=current docs (redirected from https://google.github.io/adk-docs/) accessed 2026-09-13 JST; version/release/tag/commit/API revision=ADK 2.0 as displayed in current docs; supporting_locator=What is ADK? / Core Concepts / Multi-agent systems / Graph workflows / Models / Evaluation / Deployment（open-source agent development framework、Python/TypeScript/Go/Java/Kotlin、agent+instructions+tools、deterministic codeとadaptive AI、複数model/local provider、evaluation/deploymentの記述）; evidence_label=VERIFIED_SPEC+PRODUCT_VOLATILE; relation=support+context" }, { "heading": "FINDINGS", "text": "- ESTABLISHED: 公式DocsはADKをagentの開発・debug・deployのためのopen-source frameworkとして説明し、複数言語、tools、multi-agent/graph workflow、deterministic codeとadaptive AI、Gemini/他provider/local model、evaluation/deploymentの概念を記載している。\n- NOT_ESTABLISHED: ADKの存在・対応言語の記述は、各言語のfeature parity、各model/providerの実利用可否、Google Cloud/Workspaceの特定契約、production安全性・性能保証を確立しない。" }, { "heading": "LIMITS / COUNTEREVIDENCE / FAILURE ENVELOPE", "text": "current Docsの“対応”は実行時依存・版差・preview差を含み得る。graphの決定性はLLM出力の正しさを保証せず、複数agentはloop・状態不整合・tool副作用を増やし得る。公式Docs内のdeployment/evaluation案内だけでは独立性能の反証を排除できない。" }, { "heading": "AVAILABILITY_GATES", "text": "SDK言語・package version、model endpoint/API資格情報、Google Cloud project・region・quota・billing、他provider/local runtime、MCP/tool権限、evaluation/deployment機能の版・契約。ADKの利用可能性とGemini/Workspace Studioの利用可能性を別ゲートで管理。" }, { "heading": "IMPLEMENTATION_STATE", "text": "OSS framework documentation + PRODUCT_VOLATILE。Docsのsampleは実装入口、認証済みprojectでの実行・課金・外部書込み・tenant validationは未実施。" }, { "heading": "BENCHMARK_OR_EVAL", "text": "Docsはevaluation機能を説明するが、このPacketでは特定業務の再現可能benchmark値を確認していない。対応言語・workflowの存在から品質を推定しない。UNKNOWN。" }, { "heading": "SECURITY / PRIVACY / AUDIT / COST / OPERABILITY", "text": "Security=workflowの決定的制御とLLM/tool権限を分離。Privacy=model/provider別のデータ処理を確認。Audit=agent state、tool call、workflow transition、evaluation versionを保存。Cost=複数agent・再試行・deployment・評価を計測。Operability=言語・model・runtime間のversion matrix、timeout、rollback、quota監視が必要。" }, { "heading": "SAFE_WORDING_FOR_FUTURE_BOOK", "text": "「Google ADKは、agent・tool・multi-agent/graph workflow・evaluation・deploymentを扱うGoogleの現行開発frameworkとして公式Docsに記載されている。ADKの仕様記述は、GeminiやWorkspace製品の全プラン・地域・組織での利用可否、言語間の同等性、production保証を意味しない。」" }, { "heading": "UPDATE_WORK_HANDOFF", "text": "Google provider mappingにADK 2.0表示とcanonical docs/access dateを引き継ぐ。次回は各言語のrelease/tag、Gemini以外のmodel adapter、Cloud/region/quota、evaluation schema、deployment runtime、security controlsを公式release/API docsで分解確認する。" }, { "heading": "OPEN_UNKNOWN", "text": "ADK 2.0の固定release、言語別parity、provider adapterの版、managed runtimeとの境界、tenant/region availability、実業務benchmark、障害時state recovery。" }, { "heading": "STOP_CONDITION", "text": "ADKのframework仕様をGemini API・Google Cloud・Workspace Studioの機能保証へ置換しない。Docsのsampleをproduction実績として扱わない。\nUNIT_CLOSE_STATUS: INDIVIDUAL_BOUNDED_CLOSE / EVIDENCE_RECORDED / UNKNOWN_PRESERVED\n\n---" }, { "heading": "AUDITED_BOUNDARY", "text": "Google ADK 2.x provider-specific; preserve language maturity differences and workflow-resume idempotency requirement; no Cloud/Workspace entitlement or production guarantee." }, { "heading": "OPEN_UNKNOWN", "text": "All UNKNOWN/PRODUCT_VOLATILE/provider- or organization-specific limits from the authority/audit remain open unless explicitly closed by the audited handoff." } ], "human_url": "/tools/ea-132-google-adk", "markdown_url": "/agent/article.md?path=%2Ftools%2Fea-132-google-adk", "json_url": "/agent/article.json?path=%2Ftools%2Fea-132-google-adk" }