About this source
Search opinions and dockets across federal and state courts, look up and resolve citations, and read opinion text. The largest free US case-law corpus.
Questions you can ask CourtListener
Type them into Kahubi’s chat once the source is connected.
“Find the legislation and case law on a legal question, citing official identifiers.”
What comes back: Acts and judgments with their official identifiers.
What the assistant can do with it
The 14 tools this server offers to Kahubi. The assistant picks the right one for each question.
courtlistener_search_opinionsFull-text search across 9M+ written US court opinions with field-level filtering.
courtlistener_get_opinionFetch the full text and metadata for a single opinion cluster by cluster ID.
courtlistener_get_citationsRetrieve the citation network for an opinion cluster.
courtlistener_lookup_citationResolve legal citations (e.g., "410 U.S.
courtlistener_search_docketsSearch RECAP federal court dockets.
courtlistener_get_docketFetch full docket metadata and entry list for a single federal case by docket ID.
courtlistener_get_partiesFetch all parties and attorneys of record for a RECAP federal docket by docket ID.
courtlistener_search_judgesSearch judge/person records by name, appointing president, court, political affiliation, or demographic.
Show 6 more
courtlistener_get_judgeFetch full biographical profile for a single judge: positions on record - judicial appointments across all courts plus non-judicial roles - education, political affiliations, an...
courtlistener_lookup_courtsList courts with optional filtering by jurisdiction type, active/inactive status, and scraper coverage.
courtlistener_search_oral_argumentsSearch appellate oral argument audio recordings - the largest public collection of oral argument audio.
courtlistener_get_oral_argumentFetch the full detail record for a single oral argument audio recording by its ID (the audio_id from courtlistener_search_oral_arguments).
courtlistener_search_financial_disclosuresSearch federal judicial financial disclosure filings - the annual reports judges file on investments, gifts, debts, outside positions, and income.
courtlistener_get_financial_disclosureFetch a single judicial financial disclosure by ID with its parsed line-item rows - investments, debts, positions, reimbursements, non-investment and spouse income, agreements,...
Good to know
- Community server. An open-source server maintained by the MCP community. Kahubi tests it with live queries before listing it and health-checks it regularly.
- Cited, checkable answers. Results are treated as retrieved material and cited with the source’s own identifiers, so you can open every record the answer relied on.
- Your files stay private. Only the search the assistant writes for your question is sent to CourtListener.
More law & politics sources
- EUR-Lex (EU law and case law)EU legislation, treaties, preparatory acts and Court of Justice case law with their amendment graph.
- Riksdagen (Swedish parliament open data)Bills, committee reports, motions, protocols, SOU reports and SFS statutes with full text.
- US Federal RegisterFederal rules, proposed rules, notices and presidential documents since 1994.
- Congress.govUS bills, laws, members, committees, votes, nominations and CRS reports.
- SEC EDGARUS company filings: 10-K, 10-Q, 8-K, insider transactions and institutional holdings.
- CORDIS (EU research projects)EU-funded projects and results from FP7, Horizon 2020 and Horizon Europe.