Citation Safe MCP

Deterministic verification of legal citations — existence, quote-match, and proposition-support checks against primary sources (CourtListener, USCourts.gov). Not LLM guessing.

Transport: Streamable HTTP Endpoint: https://citationsafe.com/api/mcp Docs: https://citationsafe.com/mcp Category: Legal / Verification Free tier: 5 checks/day per IP, no signup

Tools

• is_this_case_real — single-citation existence check (free/anonymous)

• verify_brief — multi-citation existence + quote check (free/anonymous)

• verify_citation — 3-layer verification (adds proposition support on paid tiers)

• verify_document — same, fetches URL (auth required)

• search_sanctions — search real AI-hallucination sanction orders

• search_phantoms — search known fabricated (phantom) citations

• batch_verify_citations, get_verification

Related MCP server: CourtListener Citation Validation MCP Server

Client config (Claude Desktop / Cursor)

{
  "mcpServers": {
    "citation-safe": { "url": "https://citationsafe.com/api/mcp" }
  }
}