github-deep-research

Comprehensive GitHub repository analysis through multi-round research combining API data, web search, and structured reporting. Executes four research rounds: GitHub API extraction, discovery searches, deep investigation with web fetching, and timeline analysis from commits and issues Produces structured markdown reports with executive summaries, chronological timelines, metrics tables, and Mermaid diagrams for architecture and comparisons Implements source prioritization (official docs first, then technical blogs, news, community discussions) with confidence scoring for each claim Includes built-in citation tracking, competitive analysis capabilities, and balanced strengths/weaknesses assessment across all findings

INSTALLATION
npx skills add https://github.com/bytedance/deer-flow --skill github-deep-research
Run in your project or agent environment. Adjust flags if your CLI version differs.

SKILL.md

GitHub Deep Research Skill

Multi-round research combining GitHub API, web_search, web_fetch to produce comprehensive markdown reports.

Research Workflow

  • Round 1: GitHub API
  • Round 2: Discovery
  • Round 3: Deep Investigation
  • Round 4: Deep Dive

Core Methodology

Query Strategy

Broad to Narrow: Start with GitHub API, then general queries, refine based on findings.

Round 1: GitHub API

Round 2: "{topic} overview"

Round 3: "{topic} architecture", "{topic} vs alternatives"

Round 4: "{topic} issues", "{topic} roadmap", "site:github.com {topic}"

Source Prioritization:

  • Official docs/repos (highest weight)
  • Technical blogs (Medium, Dev.to)
  • News articles (verified outlets)
  • Community discussions (Reddit, HN)
  • Social media (lowest weight, for sentiment)

Research Rounds

Round 1 - GitHub API

Directly execute scripts/github_api.py without read_file():

python /path/to/skill/scripts/github_api.py <owner> <repo> summary

python /path/to/skill/scripts/github_api.py <owner> <repo> readme

python /path/to/skill/scripts/github_api.py <owner> <repo> tree

**Available commands (the last argument of github_api.py):**

  • summary
  • info
  • readme
  • tree
  • languages
  • contributors
  • commits
  • issues
  • prs
  • releases

Round 2 - Discovery (3-5 web_search)

  • Get overview and identify key terms
  • Find official website/repo
  • Identify main players/competitors

Round 3 - Deep Investigation (5-10 web_search + web_fetch)

  • Technical architecture details
  • Timeline of key events
  • Community sentiment
  • Use web_fetch on valuable URLs for full content

Round 4 - Deep Dive

  • Analyze commit history for timeline
  • Review issues/PRs for feature evolution
  • Check contributor activity

Report Structure

Follow template in assets/report_template.md:

  • Metadata Block - Date, confidence level, subject
  • Executive Summary - 2-3 sentence overview with key metrics
  • Chronological Timeline - Phased breakdown with dates
  • Key Analysis Sections - Topic-specific deep dives
  • Metrics &#x26; Comparisons - Tables, growth charts
  • Strengths &#x26; Weaknesses - Balanced assessment
  • Sources - Categorized references
  • Confidence Assessment - Claims by confidence level
  • Methodology - Research approach used

Mermaid Diagrams

Include diagrams where helpful:

Timeline (Gantt):

gantt

    title Project Timeline

    dateFormat YYYY-MM-DD

    section Phase 1

    Development    :2025-01-01, 2025-03-01

    section Phase 2

    Launch         :2025-03-01, 2025-04-01

Architecture (Flowchart):

flowchart TD

    A[User] --> B[Coordinator]

    B --> C[Planner]

    C --> D[Research Team]

    D --> E[Reporter]

Comparison (Pie/Bar):

pie title Market Share

    "Project A" : 45

    "Project B" : 30

    "Others" : 25

Confidence Scoring

Assign confidence based on source quality:

Confidence

Criteria

High (90%+)

Official docs, GitHub data, multiple corroborating sources

Medium (70-89%)

Single reliable source, recent articles

Low (50-69%)

Social media, unverified claims, outdated info

Output

Save report as: research_{topic}_{YYYYMMDD}.md

Formatting Rules

  • Chinese content: Use full-width punctuation(,。:;!?)
  • Technical terms: Provide Wiki/doc URL on first mention
  • Tables: Use for metrics, comparisons
  • Code blocks: For technical examples
  • Mermaid: For architecture, timelines, flows

Best Practices

  • Start with official sources - Repo, docs, company blog
  • Verify dates from commits/PRs - More reliable than articles
  • Triangulate claims - 2+ independent sources
  • Note conflicting info - Don't hide contradictions
  • Distinguish fact vs opinion - Label speculation clearly
  • CRITICAL: Always include inline citations - Use [citation:Title](URL) format immediately after each claim from external sources
  • Extract URLs from search results - web_search returns {title, url, snippet} - always use the URL field
  • Update as you go - Don't wait until end to synthesize

Citation Examples

Good - With inline citations:

The project gained 10,000 stars within 3 months of launch [citation:GitHub Stats](https://github.com/owner/repo).

The architecture uses LangGraph for workflow orchestration [citation:LangGraph Docs](https://langchain.com/langgraph).

Bad - Without citations:

The project gained 10,000 stars within 3 months of launch.

The architecture uses LangGraph for workflow orchestration.
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