Free U.S. legal research: court opinions, statutes, state regulations and corrections policies.
Connect Remote server
claude mcp add --transport http glo-law https://mcp.glolaw.org/mcp
{
"mcpServers": {
"glo-law": {
"url": "https://mcp.glolaw.org/mcp"
}
}
}
{
"servers": {
"glo-law": {
"type": "http",
"url": "https://mcp.glolaw.org/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.glolaw.org/mcp
Tools 17 found in our last check
searchCase-name metadata search over the local CourtListener mirror. Punctuation-insensitive trigram match on the case name ("Brown v board of education" matches "Brown v. Board of Education"). Returns cluster rows: id, case_name, case_name_short, date_filed, precedential_status, cita…
ftsKeyword full-text search (BM25) over opinion body text in the local mirror. Keyword, not concept: matches the exact words given (case-insensitive) with no stemming ("petition" does not match "petitions"); all words must appear; "double quotes" mark an exact phrase. A case that s…
semantic_searchSemantic (vector) search over embedded opinion chunks: finds cases by concept or plain-language description when there is no fixed term of art. Returns one row per case: opinion_id, cluster_id, metadata, matched_chunk, distance, similarity, matched_text (the passage the case mat…
similarGiven one opinion id, returns other opinions whose wording overlaps it, ranked by keyword match (BM25 more-like-this). Keyword overlap only: not a finding that the neighbors address the same issue, reach the same result or remain good law, and not complete. The seed opinion and…
citationResolves a reporter citation "<volume> <reporter> <page>" (e.g. 347 U.S. 483) to the matching case cluster(s) in the local mirror, optionally with member opinions and parallel citations. A 404 means the citation is not in this mirror, not that the case does not exist. A resolved…
clusterFull case (cluster) detail by cluster id: cluster metadata, member opinions and parallel citations. Metadata only; the opinion tool returns full text. Every response carries a "note" stating that response’s source and coverage limits.
opinionFull text of one opinion by opinion id, plus metadata. The text is the best stored text extracted from the mirror (HTML stripped; body_source names the extraction source and fallback_used flags a lower-precedence one), bounded to 200k characters with truncated and text_available…
citationsGiven one opinion id, lists the cases it cites (direction=authorities) or the cases that cite it (direction=cited_by). Textual reference only: an edge means one opinion’s text names the other; it is not treatment, agreement, validity or "good law", and not a Shepard’s or KeyCite…
parentheticalsGiven one opinion id, returns the one-line parentheticals later courts wrote about that case, verbatim. A parenthetical is the later court’s own characterisation: not a holding of the described case, not a summary written by this service, and not treatment, validity or "good law…
treatmentLater courts, in their own words, reporting that one case was overruled, abrogated, superseded, reversed or vacated. Takes a cluster id (the case-record id), not an opinion id. Every row carries the citing court’s own sentence, cut from its stored text; the label is a filter ove…
brief_checkChecks the case citations in a document the user supplies (a draft filing, brief or motion) against this collection and court-reported negative history, showing which cited cases to read before filing. Nothing is ever cleared: there is no pass mark or "verified" state. Per citat…
statuteExact lookup of one statute section or one regulation section by citation, in a point-in-time snapshot of published law. Returns the text verbatim with jurisdiction, corpus, citation, heading, path, source_url, as_of, act_status, last_amended_year and repaired. Enacted text only…
statute_searchKeyword (BM25) search over the body text of statute sections and, in the default source, Kansas administrative regulations, in the same snapshot as the statute tool; source=<code> searches one regulation source alone. Without jurisdiction=, results mix states: on 6,852 benchmark…
statute_citingLists the opinions whose text cites one U.S. Code section. Federal only: no state statute-citation links exist, and a state citation returns a visible error. An entry means the opinion’s text names the section; it does not say how the court treated it and carries no treatment, v…
corrections_policyInternal policies of a state department of corrections, or of the Federal Bureau of Prisons (state="bop", federal), as the department posts them, by number or by keyword search (query; no stemming). Not law: not statutes, regulations or court rules (a Maine policy the department…
deadlineCounts a deadline from a date the user gives, under a rule whose text is in GLO’s mirror, and returns every counting step beside that text. Counted: K.S.A. 60-206 (Kansas civil procedure; a period in days the user supplies from the rule or order that sets it, forward or backward…
sourcesReturns GLO’s coverage statements as text, so each tool’s and each source’s limits can be read on request. With a tool name alone: that tool’s full statement of coverage, measured limits and field meanings ("server" gives the full server overview). With a source or state code: f…
Details
| Endpoint | https://mcp.glolaw.org/mcp (Streamable HTTP) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | org.glolaw/glo-law |
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