Caselegis
FreeNot checkedEnables searching, retrieving, and checking citation status of California legal opinions via the Caselegis API.
About
Enables searching, retrieving, and checking citation status of California legal opinions via the Caselegis API.
README
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.
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
Install Caselegis in Claude Desktop, Claude Code & Cursor
unyly install caselegis-mcpInstalls into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.
First time? Get the CLI: curl -fsSL https://unyly.org/install | sh
Or configure manually
Run in your terminal:
claude mcp add caselegis-mcp -- uvx caselegis-mcpFAQ
Is Caselegis MCP free?
Yes, Caselegis MCP is free — one-click install via Unyly at no cost.
Does Caselegis need an API key?
No, Caselegis runs without API keys or environment variables.
Is Caselegis hosted or self-hosted?
A hosted option is available: Unyly runs the server in the cloud, no local setup required.
How do I install Caselegis in Claude Desktop, Claude Code or Cursor?
Open Caselegis on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
Related MCPs
GitHub
PRs, issues, code search, CI status
by GitHubFilesystem
Secure file operations with configurable access controls.
Memory
Knowledge graph-based persistent memory system.
Template MCP Server
A CLI tool to create a new Model Context Protocol server project with TypeScript support, dual transport options, and an extensible structure
by mcpdotdirectCompare Caselegis with
Not sure what to pick?
Find your stack in 60 seconds
Author?
Embed badge for your README
Browse similar
All development MCPs
