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mcp/harbor
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courtlistener mcp server MCP

v0.10.0 changelog · 6

io.github.cyanheads/courtlistener-mcp-server

Search US court opinions, federal dockets, judges, citations, and oral arguments via CourtListener.

transport:streamable-http runtime:npm tools:14
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Target client

run in your project directory 

claude mcp add --transport http courtlistener-mcp-server https://courtlistener.caseyjhand.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

courtlistener_search_opinions

courtlistener search opinions

courtlistener_get_opinion

courtlistener get opinion

courtlistener_get_citations

courtlistener get citations

courtlistener_lookup_citation

courtlistener lookup citation

courtlistener_search_dockets

courtlistener search dockets

courtlistener_get_docket

courtlistener get docket

courtlistener_get_parties

courtlistener get parties

courtlistener_search_judges

courtlistener search judges

courtlistener_get_judge

courtlistener get judge

courtlistener_lookup_courts

courtlistener lookup courts

courtlistener_search_oral_arguments

courtlistener search oral arguments

courtlistener_get_oral_argument

courtlistener get oral argument

courtlistener_search_financial_disclosures

courtlistener search financial disclosures

courtlistener_get_financial_disclosure

courtlistener get financial disclosure

All 14 tools, one page each

1 prompt you invoke yourself

2 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.