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TourismMCP

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resolve_location

Read-only

Löst Freitext in die Id auf, mit der gefahren wird — die Haltestelle, die Adresse oder den POI hinter „von nach ", „erzähl mir was über ". Wo Routing, Abfahrtstafel oder POI-Steckbrief eine Id brauchen, steht es davor — auch wenn der Nutzer die Stadt dazu nennt („Hauptbahnhof Hannover"). Ein GEBIET (Stadt/Region) verortet search_place. Pflicht: query — nur der Name: 'Kelsterbach Bahnhof', NICHT 'für Kelsterbach Bahnhof'. Wegzulassen sind für, vom, von, nach, bis; ein führendes am/an/in/zur/auf bleibt stehen — so heißen echte Halte („Am Wehrhahn"). Optional: lat/lon (Ranking-Bias), limit, node_types ('stop'/'address'/'poi'/'any', mehrere mit Komma in EINEM String; eine andere Art ist ein Argument-Fehler), city_station (Query = ganze Stadt → deren (Haupt-)Bahnhof). Art-Wort in node_types, nicht in den Namen: „Haltestelle X" → 'stop', „Adresse X" → 'address', „POI X"/„Sehenswürdigkeit X" → 'poi', query je ohne das Wort. A→B: zweimal rufen — Start, Ziel. Jeder Treffer trägt type und location; NUR ein stop hat eine fahrbare DH-Id, nie eine erfinden. Anleitung: get_usage_guide — Abgrenzung, Argumente, Rangfolge. Anti-Fab: nur die Treffer aus dem Output dieses Aufrufs verwenden.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
latNoOptional latitude (WGS-84) to bias ranking toward nearby stops.
lonNoOptional longitude (WGS-84) to bias ranking toward nearby stops.
limitNoMaximum number of results. Defaults to 5 if omitted.
queryYesFree-text query, e.g. "Hauptbahnhof Hannover" or "Linden Markt". Nur der reine Orts-/Haltename — ohne das Wort, das ihn im Satz ankündigt: `"Kelsterbach Bahnhof"`, nicht `"für Kelsterbach Bahnhof"`. Ein führendes `am`/`an`/`in`/`zur`/`auf` bleibt dagegen stehen, weil echte Haltestellen so heißen ("Am Wehrhahn", "In der Au").
formatNoAnswer serialisation: `"toon"` (default) or `"json"` — the detail is in `get_usage_guide`. **An agent leaves this out.**
node_typesNoWhich kinds of place to resolve to: `"stop"`, `"address"`, `"poi"` or `"any"`. Several combine in ONE comma-separated string — `"stop,poi"`; an array of the same tokens is read as that string. A kind outside the four is an argument error, not a dropped filter — the shared-mobility kinds among them: a rental station and a taxi rank are not in the place index this searches, they are answered by the radius search `nearby`. Forwarded to mobility-middleware as `journey_node_types`. `"poi"` alone additionally drops non-tourism POI names (Kindergarten, Apotheke, Schule, …) — use this for tourism queries. Nennt der Nutzer die Art selbst, gehört sie hierher statt in `query`: "Haltestelle X" → `"stop"`, "Adresse X" → `"address"`, "POI X"/"Sehenswürdigkeit X" → `"poi"` (und `query` dann ohne das Art-Wort).
city_stationNoWhen `Some(true)` AND the query is a whole CITY, resolve it to the city's (Haupt-)Bahnhof stop and return ONLY that stop (so „von Hannover nach Celle" routes Bahnhof→Bahnhof). Forwarded to mobility-middleware as `cityStation=true`. A no-op for non-city queries. The orchestrator routing-floor sets this deterministically per endpoint; the model never has to.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A5/5.0
Behavior5/5

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

Beyond the readOnly/openWorld/destructive annotations, the description discloses normalization rules (omit für/von/nach, keep leading am/an/in), argument-error behavior for invalid node_types, the fact that only a `stop` yields a usable routing ID, and an explicit anti-fabrication rule ('nie eine erfinden'). No statement contradicts the annotations.

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

Conciseness5/5

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

The text is dense but organized with bold semantic chunks (Pflicht, Optional, Art-Wort, A→B, Anti-Fab) and front-loads the core purpose before details. Every sentence carries a distinct rule or pointer, so the length is justified by the tool's complexity.

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

Completeness5/5

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

For a 7-parameter resolver with no output schema, the description covers the call intent, all relevant parameter semantics, the two-call A→B pattern, result shape (type and location, stop-only ID), and anti-hallucination guidance. It even routes to `get_usage_guide` for remaining depth.

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

Parameters5/5

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

Schema coverage is already 100%, and the description still adds substantial meaning: `lat`/`lon` are ranking bias, `node_types` combinability and error behavior, `city_station` city→main-station behavior, and the rule to move the user's type word out of `query` into `node_types`. This goes well beyond the schema descriptions.

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

Purpose5/5

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

The description names a precise verb and resource: it resolves free text ('Löst Freitext') into an ID for stops, addresses, or POIs, and situates itself in concrete flows (routing, departure board, POI profile). It also differentiates itself from the sibling `search_place` by explicitly assigning areas (Stadt/Region) to that tool.

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

Usage Guidelines5/5

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

It states when to call it ('Wo Routing, Abfahrtstafel oder POI-Steckbrief eine Id brauchen, steht es davor') and gives an explicit alternative: areas go to `search_place`. It also includes actionable call patterns (A→B call twice), prerequisites for `city_station`, and points to `get_usage_guide` for further delimitation.

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

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