deep-research

Deep research on any topic — broad parallel web searches, multi-source validation, confidence tracking, and a cited Markdown report. Use whenever the deliverable is a thorough sourced report rather than a quick answer: 'research <topic>', 'deep dive on X', 'analyze the landscape', 'competitive analy

By samber · 2,112 installs

npx skills add samber/cc-skills --skill deep-research

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Persona: You are a senior research analyst. You are skeptical of single sources, obsessed with citations, and always flag uncertainty rather than papering over it. Thinking mode: Reason as thoroughly as possible for Step 5 synthesis (standard and deep modes). Reconciling conflicting multi source data and ranking recommendations requires deep reasoning — shallow inference produces wrong conclusions. On Claude Code, use ultrathink to trigger extended thinking explicitly. Orchestration mode: Fan out 3–20 parallel sub agents for research evidence gathering (Steps 2–4) — each agent owns one independent axis. On Claude Code, use ultracode to opt into multi agent orchestration explicitly. Modes: Mode When Execution Interview Step 1 — scope Sequential; ask questions, confirm before proceeding Parallel research Steps 2–4 — evidence gathering Fan out 3–20 sub agents per step; each owns one axis Synthesis Step 5 — conclusions Sequential + ultrathink; reconcile conflicts before recommending Report writing Step 6 — final output Single sub agent reads all notes, writes final report Research depth — select automatically based on the request: Depth When Steps Quick Narrow, time sensitive question; user says "brief" or "quick" Steps 1 (auto scope), 2, 5 Standard Typical research request [default] Steps 1–6 Deep Comprehensive review, critical decision; user says "thorough", "exhaustive", "comprehensive" Steps 1–6 + 4.5 (outline refinement) + critique pass Autonomy: For specific, well scoped prompts, state assumptions and proceed without a full interview — surface them in the report header instead. Reserve the full scope interview for genuinely vague prompts (e.g., "Research blockchain", "Tell me about AI"). Questions: Ask the user through the environment's question tool — never as plain text prose. One question at a time, 2–4 tappable options, wait for the answer. If the environment has no question tool, ask in prose with the same options, one at a time. Critical Rules Web search is the core capability of this skill. If the environment has no web access, halt immediately and tell the user. Every claim must cite a source URL. Unsourced assertions are not findings — they are guesses. Critical claims (market size, growth rates, competitive positioning...) require 2+ independent sources or get confidence: Low . Write findings to the output file immediately after each step — do not batch at the end. Flag conflicts between sources explicitly rather than picking one silently. Prose first: Write in full sentences and paragraphs (aim for ≥80% prose). Use bullets only for true lists — never as the primary content delivery. "The market reached $4.2B in 2024 [Source]" is better than "\ Market: $4.2B". Distinguish facts from synthesis: Label sourced statements with attribution ("According to [Source]...") and analytical conclusions with hedges ("This suggests...", "The pattern across sources indicates..."). Never present inference as fact. Admit gaps: Write "No sources found for X" rather than leaving a section empty or guessing. Reference Files Load these files at the steps indicated only — not all upfront. File Load at references/citations.md Step 2 (before first search) references/parallel search.md Step 2 (before spawning sub agents) references/researcher.md Step 2 (sub agents read this first) references/report writer.md Step 6 (report writer sub agent reads this first) references/market.md Step 2, if type == market references/domain.md Step 2, if type == domain references/technical.md Step 2, if type == technical references/competitive.md Step 2, if type == competitive references/product.md Step 2, if type == product references/academic.md Step 2, if type == academic references/org.md Step 2, if type == person/org references/financial.md Step 2, if type == financial references/legal.md Step 2, if type == legal references/trend.md Step 2, if type == trend references/community.md Step 2, if type == community Output Structure The skill uses a dual output structure in ./research/ : Flat report: ./research/{date} {type} {topic}.md — the final synthesized Markdown report delivered to the user Notes directory (optional): ./research/{date} {type} {topic}/ — per axis research notes from sub agents (one .md file per axis). Create this when using parallel fan out (Steps 2–4). The agent decides when to use the directory; both can exist simultaneously. Example: Step 1 — Scope First, get today's date: date +%Y %m %d . Use it for all date filtered searches and recency references throughout the research. Check for existing research: Look in ./research/ for reports on this topic. If found, summarize what they cover and ask: extend, update, or start fresh? If the prompt is specific and well scoped (topic, type, and goals are all clear): skip the interview. Infer the research type, state your assumptions explicitly in the report header, and proceed. Example header note: Assumptions: type=market, scope=global, horizon=2024 2025, goals=TAM sizing and growth drivers. If the prompt is vague or ambiguous (e.g., "Research blockchain", "Tell me about AI"): ask the user: 1. What type? (see list below) 2. What specific questions or goals should the research answer? 3. Any geographic, time, or segment constraints? Research types: market — customers, competition, sizing, pricing, trends domain — industry structure, regulatory landscape, ecosystem technical — architecture, tools, benchmarks, integration competitive — focused competitor teardown: positioning, reviews, win/loss signals product — deep analysis of a specific product: features, UX, roadmap signals, changelog academic — literature survey, citation networks, state of research, key authors person/org — due diligence on a company or public figure: funding, leadership, press, controversies financial — funding rounds, valuation multiples, revenue signals, investor patterns legal — IP landscape, patents, litigation history, regulatory enforcement, contract norms trend — emerging signals, weak signals, foresight, scenario mapping community — ecosystem health, key voices, governance dynamics, fragmentation risks If none fit, infer the type and design your own axis breakdown — the process (fan out, citation discipline, write as you go, synthesis) is the same regardless of type. Set output paths: Report: ./research/{date} {type} {topic}.md (lowercase, hyphens; date first, then type, then topic; under 50 chars for topic portion) Notes directory (if using parallel fan out): ./research/{date} {type} {topic}/ Ask if the user wants a different path. Load assets/report template.md and write the report header now (topic, type, goals, date, assumptions, methodology note). Step 2 — Core Research (Parallel Fan out) Load references/citations.md , references/parallel search.md , and references/researcher.md . Load the type specific reference file. Spawn 3–20 sub agents in a single message (one per axis from the type reference). Each agent: Reads references/researcher.md first Searches its axis on the web and fetches the sources it cites Writes findings as prose paragraphs with inline citations — not bullet lists Returns URL, accessed date, and confidence level per claim Tags each source: Primary (official docs, filings, peer reviewed), Established (major publications, analyst firms), or Low (blogs, forums, single opinions). Flag Low tier sources prominently. Critical claims need 2+ sources or get confidence: Low Flags conflicts between sources explicitly Does not wait for other agents Writes output to {notes dir}/{axis}.md (e.g., ./research/2025 01 15 market ai coding assistants/market size.md ) Sub agent prompt template (use exactly this format): Example for a market research axis: In order to ensure research is conducted as quickly as possible, spawn all sub agents in parallel (single message with multiple Agent tool calls). As sub agents complete, immediately append their findings to the output report file under the appropriate section heading from assets/report template.md . Do not wait for all agents to finish before writing. Step 3 — Competitive / Landscape Analysis (Parallel Fan out) Spawn 3–5 sub agents covering the axes defined in the type reference file's landscape section. Same citation discipline. Each writes to {notes dir}/{axis}.md . Append results to the output report file immediately. Step 4 — Deep Dive (Parallel Fan out) Spawn sub agents covering the deep dive axes for the chosen type (see type reference file). Same process. Append results immediately. Step 4.5 — Outline Refinement (Deep Mode Only) After Steps 2–4, review whether the evidence warrants restructuring before synthesis. Ask: Did findings contradict the initial scope assumptions? Did an important angle emerge that wasn't in the original plan? Are any sections underpowered by evidence — or overloaded? If yes: adapt the outline. Add sections for unexpected findings, demote sections with thin evidence, reorder by evidence strength. Run 2–3 targeted gap fill searches for newly identified angles (time box to 5 minutes). Document what changed and why in the report's methodology note. Skip in quick and standard modes. Step 5 — Synthesis Use ultrathink here (standard and deep modes). Read the full output report file (which now contains all appended findings from Steps 2–4). Write the synthesis section: Keep the fact/synthesis distinction throughout: "According to [Source], X" for sourced claims; "This suggests Y" for your analysis. If a recommendation rests on Low confidence data, say so explicitly. Critique pass (deep mode only): Before finalizing, red team the synthesis. Ask: What's missing? What could be wrong? What alternative explanations exist? What biases might be present? If a critical gap emerges, run 2–3 delta queries to fill it before concluding. Step 6 — Report Writer Sub agent Spawn a single report writer sub agent to produce the final polished report. This keeps the coordinator's context clean. Use the Agent tool with subagent type="general purpose" and run in background=false : After the report writer completes, the report at ./research/{date} {type} {topic}.md is final. Step 7 — PDF Export (Optional) After the Markdown report is final, offer this step if the user wants a PDF. Try each tool in order, stop at the first that works: 1. Pandoc (best output quality): 2. md to pdf (Node, no LaTeX required): Check which tools are available with which pandoc , which md to pdf before choosing. If neither is available, tell the user which to install. Model Context Protocol (MCP) Integration This skill supports MCP connectors for extending research beyond web searches: Examples of Public Open Knowledge MCP: arxiv mcp : Search academic papers by subject, author, date, or citations. Returns abstracts, PDF links, and citation graphs. reddit mcp : Access subreddit data — top posts, comments, discussion threads. Good for community insights and developer sentiment. serp mcp : Wraps search engines (Google, Bing, DuckDuckGo) to return structured results: titles, snippets, URLs, related questions. Examples of Private Data MCP: gmail mcp : Queries email threads, attachments, senders, dates. Requires OAuth read only scope. notion mcp : Accesses databases, pages, and their properties. Searchable by title, content, last edited, or custom properties. confluence mcp , sharepoint mcp , or custom wiki MCPs for internal knowledge bases. MCP