MCP serverch.opencaselaw/swiss-caselaw

Year-by-year decision counts showing jurisprudence evolution. Use with a statute reference (law_code + article), a text query, or both. Returns yearly counts with visual bar chart.

MANDATORY FINAL-STEP AUDIT of your draft answer. Checks five hallucination classes: (1) every case citation (BGE/BGer/BVGer/BStGer/BPatGer/MKGE, FR/IT forms) exists and any pinpoin

Browse recent legislation changes for a canton or federal level. Shows new laws, amendments, and abrogations with dates.

Verify whether a Swiss court decision actually supports a legal claim. Uses an independent Sonnet judge to compare the claim against verbatim text from the decision (Erwägung if pi

Get the canonical Swiss citation string for a decision reference. CALL THIS BEFORE writing any case citation in your response. Returns ready-to-embed citation_string (DE/FR/IT vari

Build a research-only mock decision outline from user facts. Combines relevant Swiss case law retrieval with statute references. If possible, enriches statutes with Fedlex text exc

Minimal fetch tool following the deep-research search/fetch convention. Fetches one Swiss decision's full text by id, returning {id, title, text, url, metadata}. The id comes from

Trace the appeal chain (Instanzenzug) for a decision. Shows prior instances (lower courts) and subsequent instances (appeals to higher courts). Reconstructs the full procedural pat

Given a decision_id, show what it cites and what cites it. Uses the reference graph database with 9.65M citation edges. Returns resolved citations with confidence scores and unreso

Find the most-cited decisions for a topic or statute. Authority ranking based on citation graph; a free-text topic ranks decisions whose regeste carries the query terms first (`reg

Find which Erwägung paragraph(s) match a legal claim. Server-side FTS5+BM25 over per-paragraph text; returns top-k with confidence labels (high/medium/low) and a highlighted_snippe

Find OA legal scholarship that cites a specific Swiss court decision. Reverse direction of the scholarship↔caselaw bridge: given a decision_id (e.g. 'bge_BGE_140_III_86' or 'bger_4

Find OA legal scholarship that cites a given Swiss statute article. Sourced from article-anchored commentaries (OnlineKommentar / OpenLegalCommentary) PLUS full-text citation extra

Generate a Swiss law exam practice question (Fallbearbeitung) based on a real BGE. Returns a fact pattern (Sachverhalt) from a real court decision and a hidden analysis (applicable

Chronological story of a single statute article: current text + every linked Botschaft (enacted + amendments) + leading court interpretations + doctrinal commentary, all ordered by

Return verbatim text from the Federal Council Botschaft (or Erläuterungsbericht) explaining the legislative purpose of a specific article. Joins the verbatim Botschaft corpus (post

Structured case brief: regeste, Sachverhalt, key Erwägungen (first 12 only — for orientation, NOT a pinpoint ranking), Dispositiv, statutes, citation authority, related cases. Acce

Look up a scholarly legal commentary from OnlineKommentar.ch (CC-BY-4.0) for a Swiss federal law article. Without article: lists available commentaries for that law. With article:

Fetch a single court decision with full text. Look up by decision_id (e.g., bger_6B_1234_2025), docket number (e.g., 6B_1234/2025), or partial match. Full text is truncated at 200,

Structured decision fields: Sachverhalt (facts), Erwägungen as numbered paragraphs ('1', '1.1', '2.3'), Dispositiv (ruling), Regeste (BGE only). Federal decisions only; for cantona

Use this tool to fetch SEVERAL decisions at once (1-10 ids) instead of calling get_decision repeatedly. Same data per decision — canonical citation strings, Markdown link, Regeste,

Get statute text + leading cases + doctrinal timeline + Federal Council Botschaft (legislative intent) + scholarly commentary for a Swiss law article or legal concept. ALWAYS USE T

Verbatim text of ONE numbered Erwägung — the citable unit in Swiss practice (e.g. 'BGE 136 III 513 E. 2.3'). Use when the user already gave an e_number. If only a claim was given (

AUTHORITATIVE LOOKUP for the text of any Swiss law article — federal OR cantonal — from two local mirrors. Federal (canton='CH', default): Fedlex mirror, all federal acts (OR, ZGB,

Retrieve the FULL TEXT and article list of a specific Swiss law, federal or cantonal, by LexFind ID or SR/systematic number. For federal laws in the Fedlex mirror this is instant (

Look up Materialien for a Swiss federal law article. Returns up to three things: `sources` = per-article digests of legislative intent (BV and BGFA only — 167 articles); `botschaft

Retrieve a single federal administrative-practice document by its doc_id (e.g. 'estv_ks_ks_nr_28', 'sem_weisungen_weisungen-aug-d', 'bsv_weisungen_6930_v20_de', 'seco_alv_avig_ale_

Get the official Regeste (head-note) of a Swiss court decision. The Regeste is the court's own formulation of the legal rule established — for BGEs especially, this is the canonica

Fetch a single OA legal publication (article, dissertation, commentary, etc.) by its pub_id. Returns full metadata + abstract + full text if available + cross-citations to statutes

Fetch the full text of an OA legal publication by pub_id, on demand. Cached after first fetch so subsequent calls are instant. License-gated: only records under CC-BY-* (except CC-

Get aggregate statistics about the dataset. Optionally filter by court, canton, or year.

List all available courts with decision counts, date ranges, and language coverage. Use this to discover what data is available.

List the open-access legal scholarship sources currently indexed, with publication counts by source, type, and language. Use this to discover what corpora are available before sear

Minimal search tool following the deep-research search/fetch convention. Returns a ranked list of Swiss court decisions matching a query, each as {id, title, url, snippet}. Pair wi

Use this tool to retrieve and quote the VERBATIM text of Federal Council Botschaften (legislative messages). Where get_article_purpose answers 'why does Art. X exist?', this tool a

Use this tool ONLY for article-anchored commentary — doctrinal discussion tied to a specific statute article: OnlineKommentar.ch / OpenLegalCommentary.ch (federal law) and the Komm

Use this tool to find COURT DECISIONS (Rechtsprechung): 1,050,000+ Swiss federal and cantonal decisions plus ~2,800 ECtHR decisions concerning Switzerland. Full-text search with ke

Use this tool to find STATUTE ARTICLES by topic — full-text over every locally indexed article, federal (Fedlex mirror) AND cantonal (LexFind mirror, all 26 cantons), interleaved.

Use this tool to find WHOLE LAWS by name or subject — 33,000+ federal and cantonal enactments from LexFind.ch; the entry point for cantonal questions ('Hundegesetz Bern', 'loi sur

Use this tool for DIGESTED legislative history — per-article intent summaries and key arguments, not verbatim text. COVERAGE IS NARROW: BV and BGFA digests (167 articles) plus BV d

Use this tool when the question involves federal ADMINISTRATIVE PRACTICE (Verwaltungspraxis): Wegleitungen, Kreisschreiben, Weisungen, Rundschreiben — agency guidance, not court de

Use this tool for open-access SCHOLARSHIP (Lehre): OA journal articles (sui generis et al.), OA legal commentaries (OnlineKommentar, OpenLegalCommentary — this tool SUBSUMES search