JAIL Search — MCP Server
<!-- mcp-name: io.github.mefengl/jail-mcp -->Status: backend offline.
Search a billion+ documents — papers, books, code, legal cases, forums, Wikipedia, and more.
Installation
Connect to the hosted MCP server:
https://api.jail.li/mcp
Get API key for higher limits — append ?jailApiKey= to the URL.
claude mcp add --transport http jail https://api.jail.li/mcp
With API key:
claude mcp add --transport http jail "https://api.jail.li/mcp?jailApiKey=sk_live_..."
codex mcp add jail --url https://api.jail.li/mcp
With API key: codex mcp add jail --url "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Add to ~/.cursor/mcp.json:
{
"mcpServers": {
"jail": {
"url": "https://api.jail.li/mcp"
}
}
}
With API key: "url": "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Add to .vscode/mcp.json:
{
"servers": {
"jail": {
"type": "http",
"url": "https://api.jail.li/mcp"
}
}
}
With API key: "url": "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Edit ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"jail": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://api.jail.li/mcp"]
}
}
}
With API key: "args": ["-y", "mcp-remote", "https://api.jail.li/mcp?jailApiKey=sk_live_..."]
Add to your opencode.json:
{
"mcp": {
"jail": {
"type": "remote",
"url": "https://api.jail.li/mcp",
"enabled": true
}
}
}
With API key: "url": "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Edit ~/.copilot/mcp-config.json:
{
"mcpServers": {
"jail": {
"type": "http",
"url": "https://api.jail.li/mcp"
}
}
}
With API key: "url": "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Add to ~/.codeium/windsurf/mcp_config.json:
{
"mcpServers": {
"jail": {
"serverUrl": "https://api.jail.li/mcp"
}
}
}
With API key: "serverUrl": "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Add to ~/.hermes/config.yaml:
mcp_servers:
jail:
url: "https://api.jail.li/mcp"
With API key: url: "https://api.jail.li/mcp?jailApiKey=sk_live_..."
Or install the skill: hermes skill install jail-search
Via npm Package
<details> <summary>Use the npm/pypi package for stdio transport</summary>{
"mcpServers": {
"jail": {
"command": "npx",
"args": ["-y", "jail-mcp@latest"]
}
}
}
Or with Python: "command": "uvx", "args": ["jail-mcp"]
For API key with stdio: "env": { "JAIL_API_KEY": "sk_live_..." }
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 | Reddit, 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