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catalog / Legal & Compliance / Juriscraper — Court Data Scraper
⇄ConnectorLegal & ComplianceFree

Juriscraper — Court Data Scraper

A caching, scraping library that collects opinions, oral arguments, and PACER filings from hundreds of American court websites.

@ai-supply
安装量6.9k
⟳ upstream 1.4.15 · updated 9y ago
↗ 源代码仓库
← More Legal & ComplianceLegal & Compliance leaderboard →How we grade security →Source ↗
✓ Grade A · 100/100 · SafeSecurity assessment
✓No compromise signals8capabilities surfaced11of 20 OWASP controls clear
External endpoints declaredBroad capability surfaceExternal endpoints declaredSuspicious code patterns
scanned 1mo ago·osv · gitleaks · opengrep · picklescan + heuristics·full breakdown in the Security tab ↓

Juriscraper

Juriscraper is a Python library, maintained by the Free Law Project, that scrapes metadata and documents from American federal and state court websites. It powers the ingestion pipeline behind CourtListener, standardizing wildly different court sites into a consistent interface for opinions, oral-argument audio, and PACER (federal filing) data.

Key features

  • Scrapers for hundreds of state and federal appellate and trial courts
  • Unified output for opinions, oral arguments, and PACER dockets/documents
  • Built-in politeness: caching, rate awareness, and change detection
  • Extensible base classes make adding new court scrapers straightforward
  • Powers one of the largest open archives of U.S. court data

Each court is exposed as a module you invoke to fetch the latest cases, returning normalized records (case name, date, citation, download URL) ready for storage or analysis.

Curated mirror of the open-source Juriscraper (BSD-2-Clause). Get it from the source.

Rating rank
#1
of 11 in Legal & Compliance
Install rank
#9
of 11 in Legal & Compliance
Security score
100/100 · A
safe
Security rank
#1
of 11 in Legal & Compliance
Installs
6.9k
cat avg 29k
This listing vs category average
Installs
this
cat avg
Security (of 100)
this
cat avg
Adoption trend
See the Legal & Compliance leaderboard →
✓ Security: Safe · 100100/100 · grade Ascanned 1mo ago
✓ no compromise signals8 risk-surface · 3/20 OWASP controls flagged

Compromise signals — malicious or tampered code (leaked secrets, backdoors, a dropped executable) — reduce the score, and known dependency CVEs carry a bounded penalty (they warrant review but never QUARANTINE — update the dependency to clear). Other dangerous-by-capability traits are risk surface, expected for some capabilities. Every finding is mapped to its OWASP control below.

What this capability can do · med confidence (static)
⚑ filesystem⚑ network⚑ secrets
egress → www.courtlistener.com, docs.github.com, govt.westlaw.com, docs.astral.sh, pre-commit.com, peps.python.org, astral.sh, tox.readthedocs.io +3
www.courtlistener.comdocs.github.comgithub.comgovt.westlaw.comdocs.astral.shpre-commit.compeps.python.orgastral.sh

Findings mapped to the OWASP Top 10 for LLM Applications (2025) and the OWASP Machine Learning Security Top 10. Expand any flagged control for the exact findings — compromise reduces the score; expected/risk-surface do not, except a known CVE, which carries a small bounded penalty (high/critical → Review).

OWASP Top 10 for LLM Applications
⚠LLM05Improper Output Handlinghigh
Code that pipes model/user output into shell, eval, SQL or paths unsafely.
•Suspicious code patterns — pipe-to-shell install · freelawproject-juriscraper-e52de3b/CONTRIBUTING.md (CWE-494)risk surface
⚠LLM06Excessive Agencylow
Over-broad tool/permission surface or unrestricted egress.
•External endpoints declared — 1 distinct host(s) · freelawproject-juriscraper-e52de3b/.editorconfigrisk surface
•Broad capability surface — 3 high-impact capability categories referenced — verify least-privilege · freelawproject-juriscraper-e52de3b/CHANGES.md (CWE-272)risk surface
•External endpoints declared — 2 distinct host(s) · freelawproject-juriscraper-e52de3b/CHANGES.mdrisk surface
•External endpoints declared — 6 distinct host(s) · freelawproject-juriscraper-e52de3b/CONTRIBUTING.mdrisk surface
•External endpoints declared — 7 distinct host(s) · freelawproject-juriscraper-e52de3b/README.rstrisk surface
•External endpoints declared — 4 distinct host(s) · freelawproject-juriscraper-e52de3b/juriscraper/fdsys/FDSysSite.pyrisk surface
•External endpoints declared — 5 distinct host(s) · freelawproject-juriscraper-e52de3b/juriscraper/fdsys/annotated_mods.xmlrisk surface
§LLM09MisinformationGovernance
Artifacts designed to produce false/deceptive output.
Detectable only by runtime behavioral evaluation; addressed via responsible-use attestation.
◷LLM10Unbounded ConsumptionRuntime-enforced
Unbounded loops/recursion causing DoS or runaway cost.
Enforced at runtime by the gateway (rate limits + spend caps + size caps); static check flags unbounded loops.
✓LLM01Prompt InjectionPassed
✓LLM02Sensitive Information DisclosurePassed
✓LLM03Supply ChainPassed
✓LLM04Data and Model PoisoningPassed
Backdoors/poisoning in training data or serialized models.
Behavioral poisoning needs model execution; static check covers unsafe serialization + dataset skew only.
✓LLM07System Prompt LeakagePassed
✓LLM08Vector and Embedding WeaknessesPassed
PII or plaintext source leakage in embedding/vector exports.
Embedding inversion/poisoning is largely runtime; static check covers PII in vector exports.
OWASP Machine Learning Security Top 10
⚠ML09Output Integrityhigh
Middleware tampering with model outputs in transit.
Gateway enforces TLS + response integrity; static check flags output-rewriting code.
•Suspicious code patterns — pipe-to-shell install · freelawproject-juriscraper-e52de3b/CONTRIBUTING.md (CWE-494)risk surface
§ML01Input Manipulation (Adversarial)Governance
Models vulnerable to adversarial perturbations.
Requires runtime robustness evaluation; addressed via publisher robustness attestation.
§ML03Model InversionGovernance
Training data reconstructable from a model's outputs.
Runtime/evaluation property; addressed via model-card data-provenance + DP attestation.
§ML04Membership InferenceGovernance
Determining whether a record was in the training set.
Runtime/evaluation property; addressed via overfitting disclosure + DP attestation.
§ML08Model SkewingGovernance
Models trained on skewed data producing biased output.
Requires fairness evaluation; addressed via model-card bias/limitations disclosure.
✓ML02Data PoisoningPassed
Poisoned training datasets with triggers or anomalous distributions.
Static check covers trigger phrasing, PII and label skew; full poisoning detection is runtime.
✓ML05Model TheftPassed
Unlicensed re-distribution / license-incompatible derivatives.
Static check verifies license declaration; extraction throttling is runtime.
✓ML06AI Supply ChainPassed
✓ML07Transfer Learning AttackPassed
Backdoored base models / LoRA adapters propagating to derivatives.
Backdoor detection needs behavioral probing; static check covers unsafe serialization + provenance.
✓ML10Model Poisoning (Weights)Passed
Tampered model weight files; integrity must be verifiable.
Static check enforces safe formats + records a content hash for downstream verification.
Other findings (3) · hygiene / uncategorized
•Unrecognized file type — '.editorconfig' is not on the allowlist · freelawproject-juriscraper-e52de3b/.editorconfigrisk surface
•Unrecognized file type — '.git-blame-ignore-revs' is not on the allowlist · freelawproject-juriscraper-e52de3b/.git-blame-ignore-revsrisk surface
•Unrecognized file type — '.?' is not on the allowlist · freelawproject-juriscraper-e52de3b/LICENSErisk surface
✔ verified source · pinned freelawproject-juriscraper-e52de3b
Check against a policy

The same gate an agent runs before installing (POST /api/v1/trust/juriscraper-court-data-scraper/check). Click a policy:

Consume Juriscraper — Court Data Scraper programmatically. Authenticate with an API key or session — see Authorize an agent.

# Agents: CHECK BEFORE YOU INSTALL (no auth) — score, grade, level, capability manifest
curl https://ai-supply.store/api/v1/trust/juriscraper-court-data-scraper

# Gate against your org policy (returns { pass, violations })
curl -X POST https://ai-supply.store/api/v1/trust/juriscraper-court-data-scraper/check \
  -H "Content-Type: application/json" \
  -d '{"minGrade":"B","denyPermissions":["shell"],"denyUnknownEgress":true}'

# CLI
npx ai-supply add juriscraper-court-data-scraper

# REST (install → download)
curl -X POST https://ai-supply.store/api/v1/listings/juriscraper-court-data-scraper/install \
  -H "Authorization: Bearer $AIM_KEY"

# MCP tool
install_listing({ "slug": "juriscraper-court-data-scraper" })
OpenAPI spec →
vlatest
✓ Security: Safe · 1001mo ago

Curated mirror — latest upstream source. See the repository for tagged releases.

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