
Deep Research conducts enterprise-grade research that synthesizes multiple sources, tracks citations, and scores source credibility to produce verified, citation-backed reports through a structured eight-phase pipeline. It serves researchers, analysts, and decision-makers who need comprehensive, evidence-backed analysis rather than simple web lookups, automatically selecting research depth (quick, standard, deep, or ultradeep) based on query complexity. The skill solves the problem of information synthesis at scale by managing source verification, preventing citation drift, and delivering reports with proper limitations and recommendations in a standardized format.
$ npx -y skills add 199-biotechnologies/claude-deep-research-skill --skill deep-research --agent claude-codeInstalls into .claude/skills of the current project.
Deliver citation-tracked research reports through a structured pipeline with evidence persistence, source identity management, claim-level verification, and progressive context management.
Autonomy Principle: Operate independently. Infer assumptions from context. Only stop for critical errors or incomprehensible queries. Surface high-materiality assumptions explicitly in the Introduction and Methodology rather than silently defaulting.
Request Analysis
+-- Simple lookup? --> STOP: Use WebSearch
+-- Debugging? --> STOP: Use standard tools
+-- Complex analysis needed? --> CONTINUE
Mode Selection
+-- Initial exploration --> quick (3 phases, 2-5 min)
+-- Standard research --> standard (6 phases, 5-10 min) [DEFAULT]
+-- Critical decision --> deep (8 phases, 10-20 min)
+-- Comprehensive review --> ultradeep (8+ phases, 20-45 min)
Default assumptions: Technical query = technical audience. Comparison = balanced perspective. Trend = recent 1-2 years.
| Phase | Name | Quick | Std | Deep | Ultra |
|---|---|---|---|---|---|
| 1 | SCOPE | Y | Y | Y | Y |
| 2 | PLAN | - | Y | Y | Y |
| 3 | RETRIEVE | Y | Y | Y | Y |
| 4 | TRIANGULATE | - | Y | Y | Y |
| 4.5 | OUTLINE REFINEMENT | - | Y | Y | Y |
| 5 | SYNTHESIZE | - | Y | Y | Y |
| 6 | CRITIQUE | - | - | Y | Y |
| 7 | REFINE | - | - | Y | Y |
| 8 | PACKAGE | Y | Y | Y | Y |
Note: Phases 3-5 operate as an evidence loop per section (retrieve → evidence store → refine outline → draft → verify claims → delta-retrieve if needed), not as strict sequential gates.
On invocation, load relevant reference files:
Templates:
Scripts:
python scripts/validate_report.py --report [path]python scripts/verify_citations.py --report [path]python scripts/md_to_html.py [markdown_path]Required sections:
Output files (all to ~/Documents/[Topic]_Research_[YYYYMMDD]/):
sources.jsonl — stable source registry with canonical IDsevidence.jsonl — append-only evidence store with quotes and locatorsclaims.jsonl — atomic claim ledger with support statusrun_manifest.json — query, mode, assumptions, provider configQuality standards:
evidence.jsonlUse: Comprehensive analysis, technology comparisons, state-of-the-art reviews, multi-perspective investigation, market analysis.
Do NOT use: Simple lookups, debugging, 1-2 search answers, quick time-sensitive queries.
Sponsors