CourtListener MCP Connector

Connects Claude to CourtListener, the Free Law Project's legal research platform, with access to millions of U.S. court opinions, PACER dockets, judge profiles, oral arguments, and citation data. Search case law across federal and state courts, retrieve full case metadata, extract and verify legal citations against a canonical database, and set up alerts for new opinions or docket updates. Built and operated by Free Law Project, a 501(c)(3) nonprofit dedicated to making the law broadly accessibl

Official in Claude's directory Sign-in required 14 tools
Works withClaudeClaude APIClaude CodeClaude Desktop

Connector URL

https://mcp.courtlistener.com

Add as a Connector

This server runs remotely, so you can add it as a connector in chat apps. No install needed.

  1. Open claude.ai → Settings → Connectors
  2. Click Add custom connector
  3. Paste the URL below and click Add, then sign in if asked
CONNECTOR URL
https://mcp.courtlistener.com

Works on Claude web, desktop and mobile once added. Full Claude guide →

  1. Open Settings → Apps & Connectors → Advanced and turn on Developer mode
  2. Go back to Apps & Connectors and click Create
  3. Give it a name and description, paste the URL below, pick the auth type, then save
CONNECTOR URL
https://mcp.courtlistener.com

Needs a Plus, Pro, Business, Enterprise or Edu plan. Full ChatGPT guide →

  1. Open grok.com/connectors
  2. Click New Connector → Custom
  3. Paste the URL below and finish any sign-in
CONNECTOR URL
https://mcp.courtlistener.com

Custom connectors need a paid Grok plan. Full Grok guide →

  1. Open gemini.google.com → Settings → Connected Apps
  2. Under Custom apps, choose Add a custom app
  3. Paste the URL below, click Next and approve in the browser
CONNECTOR URL
https://mcp.courtlistener.com

Add it on the web first. It then shows in the Gemini mobile app too. Full Gemini guide →

  1. Open your agent in Copilot Studio and go to Tools → Add a tool → New tool
  2. Select Model Context Protocol and fill in the name, description and the URL below
  3. Pick the auth type, click Create, then Add to agent
CONNECTOR URL
https://mcp.courtlistener.com

The consumer Copilot app has no custom MCP setting. Copilot Studio needs a paid license and Streamable HTTP. Full Microsoft Copilot guide →

  1. Open Settings → Connectors in Perplexity
  2. Click + Custom connector and choose Remote
  3. Give it a name, paste the URL below, pick OAuth or API key, then save
CONNECTOR URL
https://mcp.courtlistener.com

Needs a Pro, Max or Enterprise plan. Full Perplexity guide →

  1. Open the Connectors page in Le Chat
  2. Click + Add Connector and switch to the Custom MCP Connector tab
  3. Enter a name, paste the URL below, click Connect and finish sign-in
CONNECTOR URL
https://mcp.courtlistener.com

Admin-only. On Free, Pro and Student plans the account owner is the admin. Full Le Chat guide →

  1. Open Settings → Integrations → Custom MCP Servers
  2. Click Add Server
  3. Enter a name, paste the URL below and add any API key or token
CONNECTOR URL
https://mcp.courtlistener.com

Manus checks the server and lists its tools once added. Full Manus guide →

  1. The Muse app has no custom MCP setting yet. Use Muse Code instead
  2. Add the server to the mcp_servers block of ~/.config/muse/settings.json
  3. Restart Muse Code so it loads the new tools
ADD TO ~/.config/muse/settings.json
{ "mcp_servers": { "courtlistener": { "url": "https://mcp.courtlistener.com" } } }

Full Meta Muse guide →

Tools (14)

searchget_endpoint_schemacall_endpointget_endpoint_itemget_choicesget_countsget_more_resultsextract_citationsanalyze_citationsresume_citation_analysiscreate_search_alertdelete_search_alertsubscribe_to_docket_alertunsubscribe_from_docket_alert

FAQ

How do I add the CourtListener MCP connector?

Copy the connector URL https://mcp.courtlistener.com and add it as a custom connector in Claude, ChatGPT, Grok, Gemini, Microsoft Copilot, Perplexity, Le Chat, Manus, Meta Muse. The steps for each app are on this page.

Does the CourtListener connector need sign-in?

Yes. You sign in to CourtListener when you add the connector.

What tools does the CourtListener connector provide?

It provides 14 tools: search, get_endpoint_schema, call_endpoint, get_endpoint_item, get_choices, get_counts, get_more_results, extract_citations, analyze_citations, resume_citation_analysis and more.

Is CourtListener in Claude's connector directory?

Yes. CourtListener is listed in Anthropic's official connector directory for Claude.

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