CourtListener
officialCourtListener is Free Law Project's legal research platform for U.S. court opinions, PACER dockets, judge profiles, oral arguments, and citation data. Its connector grounds assistants in primary legal records while supporting citation checks and docket-aware research.
What can you do with CourtListener MCP?
- Search court opinions — Ask for U.S. court opinions by citation, case name, or topic using
search_opinions. - Retrieve docket details — Get PACER docket information for a specific case, including parties and filings, via
get_docket. - Look up judge profiles — Find biographical and judicial data for federal judges with
get_judge. - Access oral argument audio — Locate and retrieve oral argument recordings for appellate cases using
get_oral_argument. - Verify citations — Check whether a cited case exists and confirm its legal citation through
check_citation.
Hosted MCP Server
npx add-mcp 'https://mcp.courtlistener.com/'Installs into Claude Code, Codex, Cursor, VS Code and more
Documentation
CourtListener is Free Law Project's legal research platform for U.S. court opinions, PACER dockets, judge profiles, oral arguments, and citation data. Its connector grounds assistants in primary legal records while supporting citation checks and docket-aware research.
An eligible provider account or plan may be required for authenticated features. Consult the official setup documentation for access requirements and client compatibility.