# Lexiara MCP server

Source: https://glimind.com/server/mcp-registry%2Forg.lexiara%2Flexiara
Registry id: `mcp-registry/org.lexiara/lexiara`
Status: live (checked 2026-10-27T00:26:54.875Z)

## Verdict

Lexiara MCP server answered 99.95% of Glimind's liveness checks over 30 days, better than 35% of MCP servers, with 615 ms median handshake and 3 outages in 90 days. Its agent-readiness grade is A (99/100) across 31 tools, costing an agent about 7,459 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 99.95% | 35% of MCP servers |
| Median handshake latency | 615 ms | 40% of MCP servers |
| p95 handshake latency | 2879 ms | — |
| Checks in 30 days | 4,934 | — |
| Outages, 90 days | 3 | — |
| Median recovery | 19 min | — |
| Agent-readiness score | 99/100 (A) | 93% of MCP servers |
| Tools | 31 | — |
| Tool-list size for an agent | ~7,459 tokens | 34% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "lexiara-mcp-server": {
      "type": "http",
      "url": "https://lexiara.org/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http lexiara-mcp-server https://lexiara.org/mcp
```

## Tools (31)

- `concept_family`: One defined term across the whole corpus: each distinct WORDING with the publisher's own text and the instruments that write it, every instrument that borrows i
- `define_term`: The definition of a term of art, and the provision that gives it. Ask this BEFORE search_legislation whenever the question is what a phrase means ('durable medi
- `explore_role_requirements`: Research source-bound EU role requirements with exact passages, act-specific definitions, conditions, unknown facts and EN/FR/DE/IT official source availability
- `fetch`: Retrieve one search result by its opaque id, including provision text, canonical URL, authority status and source provenance. metadata.structure provides parent
- `find_national_implementations`: National provisions implementing one EU provision, with method and confidence per link. DERIVED data, not published by any authority: treat links not marked met
- `follow_updates`: The digest: every change the corpus observed on followed law, each with a SIGNIFICANCE grade and the reasoning behind it — 'major' (a new consolidation whose ve
- `get_coverage`: Per-source coverage and freshness. Call this first when unsure whether Lexiara holds the law you need — absence of coverage means 'not here', never 'does not ex
- `get_ingestion_request`: State, stage, reason code and the time to wait before asking again, for one request you made. States: already_available, queued, running, available, partial, ne
- `get_ingestion_result`: The published handles — expression id, work ELI, the /v1/works/text and /v1/provisions addresses — plus the source manifest (publisher URL, content hash, bytes,
- `get_saved_role_view`: Recheck current official passages and connections against a private saved view. The change list separates later publisher versions, parser corrections, newly ac
- `get_topic`: Everything a topic page shows: the orientation paragraph (with its draft/published editorial status), per-jurisdiction legal-status notes (GB notes carry the as
- `guidance_for_provision`: Sections of official GUIDANCE that discuss one provision — Commission notices and guidelines on the act, quoted verbatim with the section number the publisher p
- `list_concepts`: Terms of art ranked by how many instruments in this corpus DEFINE them, BORROW them from another act (followed through every intermediate act — an act that take
- `list_follows`: The instruments, provisions, subjects, jurisdictions and verticals this API key follows. READ-ONLY: creating or removing a follow is an HTTP POST/DELETE to /v1/
- `list_ingestion_requests`: List up to the latest 50 ingestion requests belonging to your account, newest first. Each row includes private status fields such as `intent`, `created_at` and 
- `list_review_queue`: The AUTO-GATED backlog from one place, newest first: unreviewed article-level transposition links with BOTH provision texts side by side and the stored reasonin
- `list_saved_role_views`: List private role and country research views belonging to the connected account. Each view is a snapshot for comparison, not a compliance verdict. Read-only; sa
- `list_topics`: Curated obligation topics ('Pre-contract information') under a subject head, each with a one-paragraph orientation and per-jurisdiction anchor counts. Descripti
- `list_work_versions`: Find same-language publisher expressions for one EU act. Each entry has an exact expression ID, source hash and a consolidation marker or as-adopted label. Thes
- `lookup_provision`: Authoritative text of one provision, with in-force window, repealed/prospective status, concept tags, transposition edges and full provenance. `stand` says what
- `provision_context`: The cross-reference neighbourhood of a provision plus its amendment history. Use this when a provision's relevance is not on its face: a duty that says 'the inf
- `provision_history`: Prior and successor versions of one provision across consolidations — how the text got to its current form. Lexiara Nexus data requires an API key on a signed-i
- `provisions_by_concept`: Cross-jurisdiction view of one legal concept: every provision tagged with the given EuroVoc concept, with tagging method and confidence. E.g. 'eurovoc:4585' (VA
- `recent_changes`: Change feed: provisions added or modified, filterable by jurisdiction, concept and date. `detectedAt` is when Lexiara observed the change — legal in-force dates
- `related_works`: Edges between instruments: which national laws transpose a directive (direction 'in'), or what an instrument implements/amends (direction 'out'). Instrument-lev
- `request_ingestion`: When a lookup returns `coverage` with `requestable: true`, ask for the missing instrument instead of stopping or guessing. Give the CELEX (or an EU ELI), the la
- `search`: Search Lexiara's bounded EU and UK legislation corpus. Returns compact, citable results with opaque ids; pass an id unchanged to fetch for the provision text an
- `search_legislation`: Ranked full-text search over provision text. Results carry work, eId, status and provenance — feed a hit's work+eId to lookup_provision for the complete payload
- `term_languages`: How an act words one of its defined terms in each language version held. NOT a translation: an EU instrument is equally authentic in all 24 official languages (
- `work_glossary`: The act's glossary: every term it defines, alphabetical, with the publisher's own wording verbatim and the provision that defines each one. Use it to orient in 
- `work_mentions`: The act-level overview: every provision of every instrument in this corpus that names the given act, grouped by citing instrument, with the article of the act e

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.