Loupe: free citation lookup
legal.loupe/citation-lookup
Check if a US legal citation exists, names its case and has a valid pin cite; or find a case. Free.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-05.
What we measured
| Endpoint | https://loupe.legal/mcp-public | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (1,946 ms) | our check, 2026-10-05 |
| Protocol version | 2025-11-25 | our check, 2026-10-05 |
| Tools (2) | check_citation, search_cases | tools/list, 2026-10-05 |
| Registry version | 1.0.0 · active · updated 2026-09-27 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http citation-lookup https://loupe.legal/mcp-publicCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name legal.loupe/citation-lookup.