com.syfert/legal-research

up checked 2026-11-11T09:39:01.819Z

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Publisher-provided title

Syfert Legal Research

Publisher-provided description

Verify legal citations, case treatment, quotes and whole briefs against 10.7M U.S. opinions

Summary by lookupd

Verifies legal citations, case treatment, quotes and briefs; searches over 10 million U.S. court opinions and statutes.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http legal-research https://mcp.syfert.com/mcp

Codex, remote (streamable-http)

codex mcp add legal-research --url https://mcp.syfert.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "legal-research": {
      "url": "https://mcp.syfert.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (22 tools)

Publisher-provided text

• search_cases Full-text search over 10.8M U.S. court opinions (all states + federal, via syfert.com). Call this to find case law on a topic, locate a case by name, or find ca
• find_case Fast direct lookup: give a citation or a case caption and get THE case (or 'not decisive' with up to 5 candidates) without a full-text search. Use search_cases
• get_case Fetch one case: metadata, parallel citations, treatment flag, and full opinion text (paginated via offset/max_chars). cited_by is CourtListener's citation count
• check_citation Verify a legal citation actually exists before using it. CASES: returns the real case at that citation, its treatment flag, and whether the name matches: expect
• verify_quote Check one quotation against the full text of the opinion it is attributed to, before it goes in quotation marks. Returns verdict (verbatim | near | absent), per
• get_treatment Is this case still good law? Returns the Syfertize treatment flag (red = overruled/superseded, yellow = questioned/distinguished, green = followed, procedural =
• check_brief Audit ALL citations in a draft brief, motion, or memo at once (wraps syfert.com Brief Check). Extracts every reporter citation, verifies each exists, checks the
• get_propositions What is this case actually cited FOR? Returns the distinct legal propositions courts cite the case for (headnote-grade), each with its OWN treatment flag and co
• get_citing_cases Full citator list: every ranked case citing this one, with judge-written parentheticals (usable verbatim in a brief), verbatim quotes, pin cites, and the citing
• find_related_cases Expand research from one good case: returns the doctrinal family it belongs to: the line of frequently co-cited cases around an anchor authority (curated set of
• find_court Resolve a court name to court_id values usable in the search_cases court filter. Also resolves whole GROUPS of courts (tribal courts, veterans, bankruptcy, all
• search_quotes Find every case that has quoted a phrase. Phrase-matched search over 4.3M distinct passages quoted by two or more opinions, ranked by how many cases quote them.
• find_authority Find the case to cite for a proposition. Paste the proposition or the language you need authority for VERBATIM; do not convert it to keywords. The result names
• find_issues ENTRY BY ISSUE. Use this FIRST when the question arrives as facts or an issue rather than a case name ("can the appellate court affirm on a ground the trial cou
• search_statutes Search statutes, COURT RULES and codes by citation or topic, for EVERY U.S. state plus federal. For a specific state, pass state="wi" (any two-letter code, all
• get_statute Fetch the full text of a statute, rule, or code section: the current codification in the edition this corpus holds. Every answer carries currency (edition, curr
• suggest_treatment Crowdsourced AI feedback on a Syfertize treatment flag. When the evidence in front of you (an overruling, abrogating or reinstating opinion, or a later court ho
• export_document Optional. If your client can save files locally and you want a readable copy of a case or statute, this returns the complete document to save; otherwise use get
• context_detector Does the cited case actually say what the brief says it says? Call it after check_brief for every cite you rely on whose support_check says available, or for an
• brief_upload Signed-in accounts only (a free account at https://syfert.com/mcp/; anonymous callers use check_brief with text). Upload a brief of any length for check_brief,
• get_brief_results Signed-in accounts only (a free account at https://syfert.com/mcp/; anonymous callers use check_brief with text). Read the results of check_brief(brief_id) one
• brief_delete Signed-in accounts only (a free account at https://syfert.com/mcp/; anonymous callers use check_brief with text). Delete an uploaded brief and its results from

Details

• Version: 2.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 824 ms
• First indexed: 2026-11-01T08:58:55.936Z
• Last seen in registry: 2026-11-06T17:17:27.833Z
• Website: https://syfert.com/mcp/

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• 62033 servers
• Last crawl: 2026-11-11T15:38:39.561Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp