Search US court opinions, federal dockets, judges, citations, and oral arguments via CourtListener.
Connect Remote server
claude mcp add --transport http courtlistener-mcp-server https://courtlistener.caseyjhand.com/mcp{
"mcpServers": {
"courtlistener-mcp-server": {
"url": "https://courtlistener.caseyjhand.com/mcp"
}
}
}{
"servers": {
"courtlistener-mcp-server": {
"type": "http",
"url": "https://courtlistener.caseyjhand.com/mcp"
}
}
}Settings > Connectors > Add custom connector
URL: https://courtlistener.caseyjhand.com/mcpTools 14 found in our last check
courtlistener_search_opinionsFull-text search across 9M+ written US court opinions with field-level filtering. Returns opinion cluster summaries with case metadata, citations, matched text snippets, and the individual opinion variants filed in each case. Supports CourtListener field syntax (caseName:"roe v…
courtlistener_get_opinionFetch text and metadata for an opinion cluster by cluster ID. Returns majority, concurrence and dissent variants with raw HTML and readable plain text, variants_completion for source coverage, and docket_enrichment. Oversized selections return outline then page responses; contin…
courtlistener_get_citationsRetrieve the citation network for an opinion cluster. Supports two directions: "cited_by" (opinions that cite this one — measures precedential influence) and "citing" (opinions this one cites — reveals the authority chain relied on). This is the primary tool for tracing legal pr…
courtlistener_lookup_citationResolve legal citations (e.g., "410 U.S. 113", "93 S. Ct. 705") to opinion cluster IDs and case metadata. Enables workflows that start from a known citation rather than a search query. CourtListener extracts every citation it finds in the submitted text, so passing a passage ret…
courtlistener_search_docketsSearch RECAP federal court dockets. Query terms match case name, docket number, party, and attorney names; filters narrow by party name, court, and filing date. RECAP is a crowd-sourced mirror of PACER (the federal court filing system) — coverage varies by court and date. Return…
courtlistener_get_docketFetch docket metadata and one entries page by docket ID. Omit document_ids for the docket listing, or select RECAP document IDs embedded on entries_page to retrieve their extracted text without further upstream requests. Selected text uses bounded full/outline/page responses; co…
courtlistener_get_partiesFetch a page of parties and their attorneys of record for a RECAP federal docket by docket ID. Returns each party's name, role (Plaintiff, Defendant, Petitioner, Respondent, etc.), and their attorneys with contact information, scoped to this docket. Costs one party request plus…
courtlistener_search_judgesSearch judge/person records by name, appointing president, court, political affiliation, or demographic. Returns biographical data, current position, and appointment summary. Use courtlistener_get_judge for full appointment history and education records.
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, and ABA ratings. The position list is paginated upstream and walked under a page bound; the response rep…
courtlistener_lookup_courtsList courts with optional filtering by jurisdiction type, active/inactive status, and scraper coverage. Primarily used to discover court IDs for use in search and filter parameters across all other courtlistener tools. Defaults to the active bench — the courts CourtListener stil…
courtlistener_search_oral_argumentsSearch appellate oral argument audio recordings — the largest public collection of oral argument audio. Returns recording metadata with two direct MP3 links per result (download_url at the originating court, local_path for CourtListener's durable copy), panel judge IDs, and tran…
courtlistener_get_oral_argumentFetch an oral argument recording by audio_id from courtlistener_search_oral_arguments. Returns case metadata, panel IDs, duration, MP3 URL, docket and available transcript. Oversized text or metadata returns outline then page responses; continue retrieval.next_cursor as cursor w…
courtlistener_search_financial_disclosuresSearch federal judicial financial disclosure filings — the annual reports judges file on investments, gifts, debts, outside positions, and income. Filter by judge (person ID from courtlistener_search_judges) and/or filing year; the year filter is applied to the fetched page only…
courtlistener_get_financial_disclosureFetch a judicial financial disclosure by disclosure_id from courtlistener_search_financial_disclosures. Returns metadata, counts and typed line items with coded values decoded to dollar ranges. Select categories or omit for all. Oversized selections return outline then page resp…
Details
| Endpoint | https://courtlistener.caseyjhand.com/mcp (Streamable HTTP) |
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 1 Nov 2026 |
| Last updated | 1 Nov 2026 |
| Registry name | io.github.cyanheads/courtlistener-mcp-server |
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