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caselegis

caselegis-mcp

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by caselegis

caselegis-mcp

California case law research tools for Claude Desktop, Cursor, and any MCP-compatible AI assistant.

Powered by Caselegis — search 566,000+ California opinions, check citation status (Red/Yellow/Green), and trace citation networks, all from inside your AI assistant.

Setup

1. Get an API key at caselegis.com/settings → API Keys.

2. Add to Claude Desktop (~/.claude/claude_desktop_config.json):

{
  "mcpServers": {
    "caselegis": {
      "command": "uvx",
      "args": ["caselegis-mcp"],
      "env": { "CASELEGIS_API_KEY": "brfl_..." }
    }
  }
}

3. Restart Claude. The Caselegis tools will appear automatically.

Related MCP server: canlii-mcp

Tools

Tool

What it does

get_quota

Check remaining monthly queries (free, doesn't count)

search_cases

Full-text search with court, date, and sort filters

get_case

Retrieve full opinion text and metadata

get_citation_status

Red/Yellow/Green — is this case still good law?

get_citations

Cases this opinion cites (outgoing)

get_cited_by

Cases that cite this opinion (incoming), filterable by treatment

Quota

Plan

Queries/month

Free

50

Pro

2,000

Upgrade at caselegis.com/settings.

Configuration

Variable

Required

Description

CASELEGIS_API_KEY

Yes

Your API key (brfl_...)

CASELEGIS_API_URL

No

Override the API URL (default: production)

License

MIT

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