Deep Research (BCG)
Hypothesis-driven iterative research for BCG-style consulting.
Use This Skill When
- Collecting market, competitive, or technology intelligence.
- Verifying business data from multiple sources.
- Gathering evidence before applying BCG frameworks.
Research Tools (Priority Order)
1. web_search tool (Built-in — Always Available)
Targeted web queries. Always run bilingual (JP + EN):
web_search("Japan digital transformation market size 2025")
web_search("BCG BCG framework case study")
Best for: focused data points, market statistics, recent news, company data.
2. /research command (CLI — Interactive Sessions)
Comprehensive multi-source investigation:
/research What is the competitive landscape for [target market]?
Best for: complex research questions needing automated sub-question decomposition.
3. deep-research MCP (When Configured)
Full pipeline: elaborate → subquestions → search → analyze → report.
Workflow
Think Phase
- Analyze knowledge gaps against the objective.
- Generate hypotheses.
- Choose tool:
web_searchfor targeted,/researchfor comprehensive, MCP for pipeline.
Action Phase
| Action | Tool | When |
|---|---|---|
| SEARCH | web_search (bilingual JP+EN) |
Need specific data points |
| RESEARCH | /research command |
Need comprehensive multi-source investigation |
| VISIT | web_fetch |
Need full page content from URL |
| VERIFY | web_search (2nd query) |
Cross-validate key numbers/facts |
| COMPLETE | — | All completion criteria met |
- Bilingual: Always search in both Japanese and English.
- Academic priority: Prefer
.ac.jp,.edu,.govdomains. - Cross-validation: Verify key data with 2+ sources.
Report Phase
- Update findings after each round.
- Tag each fact with source URL and trust level.
- Mark single-source findings with ⚠️.
Deliverables
results/research-notes.md: findings with source attribution.results/source-registry.md: all sources with trust ratings.
Quality Gates
- 3+ trusted sources collected.
- Weighted trust average ≥ 60%.
- Key hypotheses verified or refuted.
- Single-source claims marked with ⚠️.
If any gate fails: identify the issue, fix, and re-validate.
Gotchas
web_searchは常に利用可能。MCP が設定されていなくても Web 検索は実行できる- 検索は日英両方で行うこと。英語のみだと日本市場固有のデータを見落とす
/researchコマンドは CLI インタラクティブセッションでのみ使用可能。自動化ではweb_searchを使う- BCGのレポート・出版物は信頼度「高」として扱うが、自社バイアスに注意すること
- 収集データは各ラウンド後にファイルに保存。コンパクションで消失する
- Phase間の引き継ぎは必ず
results/research-notes.mdに保存してからハンドオフすること
Validation Loop
- リサーチラウンドを実行
- チェック: 3+ソース、交差検証済み、⚠️タグ付き
- 不合格なら追加ラウンド
- 全基準を満たしてからCOMPLETE