courtlistener
Installation
SKILL.md
Contains Shell Commands
This skill contains shell command directives (!`command`) that may execute system commands. Review carefully before installing.
CourtListener for empirical legal research
What this skill carries — grep references/ for any subject the names below miss:
!d=${CLAUDE_SKILL_DIR}; command -v skill-toc >/dev/null 2>&1 && exec skill-toc "$d"; s=$HOME/.claude/skills/plugin-utils/bin/skill-toc; [ -x "$s" ] && exec "$s" "$d"; echo "(skill-toc unavailable: references and scripts are NOT listed here — install the plugin-utils plugin, or start a new session so its bin/ reaches PATH)"
Free Law Project's corpus. Three access routes with very different properties, and one distinction that people get wrong before they start.
The two corpora are not the same thing
| corpus | source | coverage | contains |
|---|---|---|---|
| Opinions (case law) | scraped from court websites | federal and state | written decisions, full text |
| RECAP | PACER | federal only | docket entries, motions, filings |