jail-mcp 1.1.3

Search papers, books, code, legal cases, forums, Wikipedia, and more from one API.

JAIL Search — MCP Server

Search 1.7B documents across papers, books, code, legal cases, forums, Wikipedia, and more.

jail.li

Quick Start

Works with any MCP-compatible tool. No API key needed.

{
  "mcpServers": {
    "jail": {
      "command": "npx",
      "args": ["-y", "jail-mcp@latest"]
    }
  }
}

Or with Python: "command": "uvx", "args": ["jail-mcp"]

Installation

Cursor

Add to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "jail": {
      "command": "npx",
      "args": ["-y", "jail-mcp@latest"]
    }
  }
}

VS Code

Add to .vscode/mcp.json:

{
  "servers": {
    "jail": {
      "command": "npx",
      "args": ["-y", "jail-mcp@latest"]
    }
  }
}

Claude Code

claude mcp add jail -- npx -y jail-mcp@latest

Claude Desktop

Edit ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "jail": {
      "command": "npx",
      "args": ["-y", "jail-mcp@latest"]
    }
  }
}

Copilot CLI

Edit ~/.copilot/mcp-config.json:

{
  "mcpServers": {
    "jail": {
      "command": "npx",
      "args": ["-y", "jail-mcp@latest"]
    }
  }
}

Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "jail": {
      "command": "npx",
      "args": ["-y", "jail-mcp@latest"]
    }
  }
}

Hermes

Add to ~/.hermes/config.yaml:

mcp_servers:
  jail:
    command: "npx"
    args: ["-y", "jail-mcp@latest"]

Or install the skill: hermes skill install jail-search

Crush

npx -y jail-mcp@latest --http --port 8808

With API key

Add "env": { "JAIL_API_KEY": "your-key" } to any config above for higher rate limits.

Get a key at jail.li.

Tools

Tool	What it does
search	Search across all content types. Filter by type, paginate with cursor.
detail	Get full metadata for a document by ID.

Content Types

Type	Sources
academic	OpenAlex, arXiv, Semantic Scholar, DBLP
books	Books, digital libraries, classical literature
wiki	Wikipedia — en, zh, de, fr, es, ru, ja, ko + 10 more
forums	Hacker News, StackExchange, Lobsters, LessWrong, 60+ more
legal	Harvard Case Law, CourtListener, EUR-Lex, UK Legislation
news	News articles and journalism
packages	npm, PyPI, Crates.io, Libraries.io
economics	World Bank, IMF, FRED, ECB, BLS, Tax Foundation
knowledge	Wikidata, structured knowledge
video	IMDb, YouTube
music	Discogs, MusicBrainz
health	Clinical trials, food safety
geo	World place names, geographic data
tech	Dev.to, product community forums
social	Mastodon, Lemmy, fediverse
fandom	Fan wiki articles, community knowledge
crypto	DeFi protocols, token data, on-chain analytics
predictions	Prediction markets, forecasting
audio	Podcasts and audio content

License

MIT