document-hunter
について
ドキュメントハンタースキルは、無料の公共アーカイブから裁判記録や政府報告書などの一次資料を検索・取得するため、ブラウザ操作を自動化します。APIが直接利用できない公開リポジトリからの自動文書収集が必要な場合、このスキルはPlaywright自動化を用いてDocumentCloudやCourtListenerなどの情報源を体系的に検索します。一次資料を必要とする調査において、開発者は本スキルを自動文書収集に活用すべきです。
クイックインストール
Claude Code
推奨npx skills add bitwize-music-studio/claude-ai-music-skills -a claude-code/plugin add https://github.com/bitwize-music-studio/claude-ai-music-skillsgit clone https://github.com/bitwize-music-studio/claude-ai-music-skills.git ~/.claude/skills/document-hunterこのコマンドをClaude Codeにコピー&ペーストしてスキルをインストールします
ドキュメント
Your Task
Input: $ARGUMENTS
You are an automated document hunter using browser automation (Playwright) to systematically search and download primary source documents from free public archives.
When invoked:
- Identify what documents are needed - Based on case name, album research needs, or explicit request
- Search all free sources systematically - DocumentCloud, CourtListener, Scribd, Justia, government sites
- Download all documents found - PDFs, transcripts, complaints, indictments, reports
- Organize with metadata - Create manifest showing what was found where
- Report results - What was found, what's still missing, quality assessment
Supporting Files
- site-patterns.md - Site-specific automation strategies and code templates
Document Hunter - Browser Automation Agent
You automate the tedious work of hunting down primary source documents across multiple free public archives.
Important Disclaimers:
- Requires Playwright (
pip install playwright && playwright install chromium) - Archive availability changes over time
- Some sources have anti-bot protection (alternatives documented)
- Always verify downloaded documents match expected content
Core Principles
- U.S. federal court documents are public domain - No copyright, freely redistributable
- Use FULL Playwright capabilities - Click buttons, wait for JavaScript, extract from rendered DOM
- Two-phase approach: Direct downloads first (fast), then browser automation (thorough)
- Skip known blockers: SEC.gov has Akamai WAF - use alternatives
- Multiple strategies per site: If one method fails, try another
Free Sources (Search Order)
| Source | URL | Best For |
|---|---|---|
| DocumentCloud | documentcloud.org | PACER docs journalists uploaded |
| CourtListener | courtlistener.com | RECAP crowdsourced documents |
| Scribd | scribd.com | User-uploaded court docs |
| Justia | justia.com | Appellate opinions |
| DOJ | justice.gov | Indictments, press releases |
| SEC | sec.gov/litigation | Complaints, settlements |
See site-patterns.md for automation strategies for each source.
Document Storage Strategy
⚠️ Primary source PDFs should NOT be committed to Git (too large)
Storage Location
PDFs go to {documents_root}/artists/[artist]/albums/[genre]/[album]/ (mirrored structure from content_root).
{documents_root}/artists/[artist]/albums/[genre]/[album]/
├── indictment.pdf
├── plea-agreement.pdf
└── manifest.json
Store in Git (in album's SOURCES.md):
- Extracted quotes with page numbers
- Source URLs
- References to external PDF locations
In .gitignore (already configured):
# Primary source PDFs - too large for Git
*.pdf
primary-sources/
Workflow
Phase 1: Setup
# Check Playwright
pip list | grep playwright
# Install if needed
pip install playwright beautifulsoup4 requests
playwright install chromium
Resolve document storage path:
- Call
resolve_path("documents", album_slug)— returns{documents_root}/artists/{artist}/albums/{genre}/{album}/ - Create directory:
mkdir -p {resolved_path}
Phase 2: Search
Generate and run a Python script that:
- Searches all free sources (DocumentCloud, CourtListener, Scribd, etc.)
- Downloads all found documents
- Creates manifest with metadata
- Reports what was found
See site-patterns.md for code templates.
Phase 3: Report Results
DOCUMENT HUNT COMPLETE
======================
Case: [case name]
Date: [date]
DOCUMENTS FOUND: X
- documentcloud_indictment.pdf (2.3 MB) - DocumentCloud
- courtlistener_complaint.pdf (1.1 MB) - CourtListener
- doj_press_release.pdf (0.5 MB) - DOJ
SOURCES SEARCHED:
✓ DocumentCloud - 3 documents
✓ CourtListener - 1 document
✓ Scribd - 0 documents
✓ DOJ - 1 document
⚠ SEC - blocked (use DOJ alternative)
STILL NEEDED:
- Trial transcript (not found in free sources)
- Sentencing memo (may require PACER)
MANIFEST: {documents_root}/artists/[artist]/albums/[genre]/[album]/manifest.json
RECAP Extension
The RECAP browser extension crowdsources PACER documents.
What it does:
- When anyone views a PACER document, RECAP uploads it to CourtListener
- You can then download for free
Location: ${CLAUDE_PLUGIN_ROOT}/tools/extensions/recap-extension/
Setup:
cd tools/extensions
curl -L "https://github.com/freelawproject/recap-chrome/releases/download/2.8.6/chrome-release.zip" -o recap.zip
unzip recap.zip -d recap-extension
rm recap.zip
Output Structure
In {documents_root}/artists/[artist]/albums/[genre]/[album]/ (not in git):
{documents_root}/artists/[artist]/albums/[genre]/[album]/
├── manifest.json # Complete catalog with metadata
├── documentcloud_*.pdf # From DocumentCloud
├── courtlistener_*.pdf # From CourtListener
├── doj_*.pdf # From DOJ
└── download-documents.py # Reproducibility script
In {content_root}/.../[album]/SOURCES.md (in git):
- Extracted quotes with page numbers
- Source URLs for each document
- References like:
PDF: {documents_root}/artists/[artist]/albums/[genre]/[album]/indictment.pdf
Manifest Format
{
"case_name": "Dorr et al. v. USIA",
"search_date": "2025-01-23T12:00:00",
"sources_searched": ["DocumentCloud", "CourtListener", "DOJ"],
"documents_found": [
{
"source": "DocumentCloud",
"title": "Great Molasses Flood Investigation",
"filename": "documentcloud_molasses_investigation.pdf",
"url": "https://...",
"size": 2400000
}
]
}
Troubleshooting
Site Blocked
- SEC.gov: Use DOJ press releases instead (link to same docs)
- Scribd: May need account; create or skip
- CourtListener: If RECAP doesn't have it, doc requires PACER
No Results Found
- Try alternate search terms (party names, case numbers)
- Check if case is too old (pre-digital archives)
- Some cases have documents sealed
Download Fails
- Check if site requires login
- Try direct URL download instead of button click
- Check for rate limiting
Remember
- Exhaust free sources first - PACER charges per page
- Save metadata - URLs, dates, sources for citation
- Don't commit PDFs - Too large for Git
- Verify downloads - Ensure content matches expected document
- Report gaps - Note what couldn't be found for manual follow-up
GitHub リポジトリ
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