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lt_find_rulings_on_act

Read-onlyIdempotent

Find Constitutional Court rulings on a Lithuanian act or specific provision, optionally including each ruling's outcome, to verify how legislation has been interpreted or challenged.

Instructions

Constitutional Court acts on a given act (optionally one provision), with their outcome.

Matches KT titles ("Dėl ... civilinio kodekso 4.84 straipsnio 7 dalies ... atitikties Lietuvos Respublikos Konstitucijai") against the act's current and former titles, or - for subordinate acts - its date and number. With include_outcomes the texts are fetched and the operative part read: outcome and the items that mention the act.

Input Schema

NameRequiredDescriptionDefault
limitNomax rulings (1..30, default 10).
provisionNooptional article / point as in ``lt_get_provision`` (``"4.84 str."``).
tar_kodasYesthe act examined, e.g. ``"1001010ISTAIII-1864"`` (Civil Code).
include_outcomesNofetch the rulings and read their operative part (slower).

Output Schema

NameRequiredDescriptionDefault
itemsNo
titleNo
totalNo
warningNo
eli_noteNoLithuania has no data.europa.eu ELI for the TAR dataset. eli_uri carries the canonical e-tar.lt legalAct URL (the stable national identifier), which is also the source_url.
cached_atNoWhen that stored copy was fetched.
provisionNo
tar_kodasNo
served_from_cacheNoTrue when data.gov.lt failed and a stored copy was served instead.
source_fetched_atNoOldest fetch time of any source response used (cache incl.).
searched_fragmentsNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.8.0

TDQS

A3.8/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly/idempotent/non-destructive/open-world, so the safety profile is covered. The description adds genuinely non-obvious behavior: how KT titles are matched (current and former act titles, or date+number for subordinate acts) and that include_outcomes fetches full texts and parses the operative part. It stops short of saying what happens on zero matches or how results are ordered.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The lead sentence front-loads what the tool returns, and the second paragraph carries the matching/outcome detail. It is dense with domain shorthand ('KT titles', 'operative part') that assumes Lithuanian constitutional-law familiarity, but no sentence is redundant.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With an output schema present, return values need not be spelled out, and the description still explains what 'outcome' contains. The matching heuristic and the slower-path flag are covered. Remaining gaps (empty-result behavior, ordering, limit interaction) are minor for a read-only lookup tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the baseline is 3; the description earns an increment by explaining that provision narrows to a single article and that include_outcomes causes the operative part to be read into 'outcome' plus the mentioning items. The matching rule for tar_kodas (date and number for subordinate acts) also adds meaning beyond the example value in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource: find Constitutional Court rulings concerning a given act, optionally narrowed to one provision, and return their outcome. The parenthetical about KT title matching further pins down the resource being matched. It does not, however, explicitly contrast itself with the sibling lt_search_court_rulings, so an agent must infer the difference from the 'on a given act' framing.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is implied by the input shape: supply a tar_kodas (and optionally a provision) when you want rulings tied to a specific act. There is no explicit when-to-use/when-not guidance and no pointer to lt_search_court_rulings for free-text ruling search. The include_outcomes tradeoff ('slower') is the only cost/benefit guidance offered.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.