io.github.cyanheads/reference-data-mcp-server

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Au dernier audit MCP Hub, le serveur MCP « io.github.cyanheads/reference-data-mcp-server » est classé « Non encore testé ». Référencé dans l'annuaire. Seul le pentest comportemental fait foi, et il n'a pas encore été exécuté sur ce serveur. Le verdict est réévalué en continu ; consultez la fiche pour l'état à jour.

Méthode : MCP Hub analyse la description de chaque outil (couche 1) et, pour le verdict fort, exécute le serveur dans une micro-VM isolée avec leurres et réseau bloqué (couche 2). On publie des noms et des compteurs, jamais le contenu brut renvoyé par un outil.

Les 10 outils

• ref_constant_lookup≈ 1023 tokens

  Look up a fundamental physical constant by name, symbol, or common alias. Returns the CODATA 2022 value, SI unit expression, relative standard uncertainty, and a short description. Recognizes common names and symbols — "speed of light", "c", "Avogadro's number", "N_A", "Planck", "h", "Boltzmann", "k_B" all resolve correctly. Fuzzy matching returns the closest match plus alternatives.

  Paramètres, retour & exemple (1)

  Paramètres

  • query · string · requis
    Constant name, symbol, or common alias (e.g., "speed of light", "c", "Avogadro", "N_A", "Planck constant", "h").

  Exemple d'appel

  {"name": "ref_constant_lookup", "arguments": {"query": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"name": "texte", "unit": "texte", "error": {}, "exact": true, "value": 1, "symbol": "texte", "related": [], "codata_id": "texte", "description": "texte", "uncertainty": 1, "match_strategy": "exact_symbol", "dataset_version": "texte"}}

• ref_element_lookup≈ 1390 tokens

  Look up a periodic table element by name, chemical symbol, or atomic number. Returns the full data record: atomic number, symbol, name, atomic mass (in unified atomic mass units), electron configuration, group, period, block, category (e.g., "noble gas", "transition metal"), Pauling electronegativity, density (g/cm³), melting and boiling points in kelvin, and discovery year. Properties unavailable for synthetic or insufficiently studied elements are returned as null.

  Paramètres, retour & exemple (2)

  Paramètres

  • by · string · optionnel · auto | name | symbol | number
    Lookup mode: auto tries atomic number, then symbol, then name.
  • query · string · requis
    Element name (e.g., "tungsten"), chemical symbol (e.g., "W"), or atomic number as a string (e.g., "74").

  Exemple d'appel

  {"name": "ref_element_lookup", "arguments": {"query": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"name": "texte", "block": "texte", "error": {}, "group": "texte", "number": 1, "period": 1, "symbol": "texte", "natural": true, "category": "texte", "appearance": "texte", "atomic_mass": 1, "radioactive": true}}

• ref_element_search≈ 1317 tokens

  Filter periodic table elements by category, group, period, atomic number range, or atomic mass range. At least one filter is required. Returns matching elements as a summary list. Use ref_element_lookup for the full record on a specific element. Valid categories: alkali metal, alkaline earth metal, transition metal, post-transition metal, metalloid, reactive nonmetal, noble gas, lanthanide, actinide.

  Paramètres, retour & exemple (5)

  Paramètres

  • group · integer · optionnel
    Periodic table group number (1–18). Lanthanides and actinides have no group.
  • period · integer · optionnel
    Periodic table period (1–7).
  • category · string · optionnel
    Element category (partial match): alkali metal, alkaline earth metal, transition metal, post-transition metal, metalloid, reactive nonmetal, noble gas, lanthanide, actinide.
  • atomic_mass_range · object · optionnel
    Inclusive range of atomic mass in unified atomic mass units.
  • atomic_number_range · object · optionnel
    Inclusive range of atomic numbers to include.

  Exemple d'appel

  {"name": "ref_element_search", "arguments": {"group": 1, "period": 1, "category": "texte", "atomic_mass_range": {}, "atomic_number_range": {}}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"error": {}, "notice": "texte", "results": [], "totalMatches": 1, "appliedFilters": {}}}

• ref_geo_lookup≈ 1176 tokens

  Look up a country by name, ISO alpha-2 code (2 letters), or ISO alpha-3 code (3 letters). Returns the full record: capital, region, official languages, currencies, calling codes, TLD, flag emoji, and IANA timezone IDs. Accepts fuzzy name matching — "Brasil" and "Brazil" both resolve.

  Paramètres, retour & exemple (2)

  Paramètres

  • by · string · optionnel · auto | name | alpha2 | alpha3
    Lookup strategy: auto tries alpha2, alpha3, then name in order.
  • query · string · requis
    Country name (e.g., "Germany"), ISO alpha-2 code (e.g., "DE"), or ISO alpha-3 code (e.g., "DEU").

  Exemple d'appel

  {"name": "ref_geo_lookup", "arguments": {"query": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"tld": "texte", "flag": "texte", "name": "texte", "error": {}, "alpha2": "texte", "alpha3": "texte", "notice": "texte", "region": "texte", "capital": "texte", "languages": [], "subregion": "texte", "timezones": []}}

• ref_geo_search≈ 1128 tokens

  Search and filter countries by region, subregion, language, currency, or free-text keyword. At least one filter is required. Returns a ranked list of matching country summaries. Use ref_geo_lookup to get the full record for a specific result.

  Paramètres, retour & exemple (6)

  Paramètres

  • limit · integer · optionnel
    Maximum number of results to return (1–100).
  • region · string · optionnel
    Filter by continent region: Africa, Americas, Asia, Europe, Oceania, or Antarctic.
  • keyword · string · optionnel
    Matches against country name, native name, capital city, and subregion.
  • currency · string · optionnel
    ISO 4217 currency code (e.g., "EUR") or currency name (e.g., "Euro").
  • language · string · optionnel
    ISO 639-1 language code (e.g., "pt") or language name (e.g., "Portuguese").
  • subregion · string · optionnel
    Filter by subregion (e.g., "Western Europe", "Southeast Asia", "South America").

  Exemple d'appel

  {"name": "ref_geo_search", "arguments": {"limit": 1, "region": "texte", "keyword": "texte", "currency": "texte", "language": "texte", "subregion": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"error": {}, "notice": "texte", "results": [], "truncated": true, "totalMatches": 1, "appliedFilters": {}}}

• ref_http_status≈ 898 tokens

  Look up an HTTP status code by number or keyword. Returns the reason phrase, description, category (1xx Informational, 2xx Success, 3xx Redirection, 4xx Client Error, 5xx Server Error), whether the code is cacheable by default, and the defining RFC with section reference. For keyword queries, returns the closest match plus alternatives.

  Paramètres, retour & exemple (1)

  Paramètres

  • query · string · requis
    Numeric status code (e.g., "404" or "422") or descriptive keyword (e.g., "not found", "too many requests", "unprocessable").

  Exemple d'appel

  {"name": "ref_http_status", "arguments": {"query": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"rfc": "texte", "code": 1, "error": {}, "category": "texte", "cacheable": true, "description": "texte", "rfc_section": "texte", "alternatives": [], "reason_phrase": "texte"}}

• ref_mime_type≈ 830 tokens

  Look up a MIME type by type string or file extension. Accepts "image/webp", ".webp", or "webp". Returns the canonical MIME type, known file extensions, whether the type is compressible (relevant for Content-Encoding decisions), and the data source (iana, apache, nginx). For extension lookups, returns the canonical MIME type — e.g., ".jpg" resolves to "image/jpeg". When multiple types map to an extension, the canonical type is returned first with alternatives listed.

  Paramètres, retour & exemple (1)

  Paramètres

  • query · string · requis
    MIME type string (e.g., "application/json", "image/webp") or file extension with or without leading dot (e.g., ".webp", "webp", "js", ".html").

  Exemple d'appel

  {"name": "ref_mime_type", "arguments": {"query": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"type": "texte", "error": {}, "source": "texte", "extensions": [], "alternatives": [], "compressible": true}}

• ref_timezone_convert≈ 951 tokens

  Convert a local datetime from one timezone to another. Takes a local time string (no UTC offset, e.g., "2026-05-24T15:30:00") interpreted as local time in the source timezone, returns the equivalent local time in the target timezone. Shows both UTC offsets so DST transitions are visible. Accepts full IANA IDs (e.g., "Asia/Tokyo") or unambiguous city names (e.g., "Tokyo").

  Paramètres, retour & exemple (3)

  Paramètres

  • to_tz · string · requis
    Target IANA timezone ID or unambiguous city name (e.g., "America/New_York" or "New York").
  • from_tz · string · requis
    Source IANA timezone ID or unambiguous city name (e.g., "Asia/Tokyo" or "Tokyo").
  • datetime · string · requis
    Local datetime in ISO 8601 format without timezone offset (e.g., "2026-05-24T15:30:00"). Do not include "Z" or an offset suffix.

  Exemple d'appel

  {"name": "ref_timezone_convert", "arguments": {"to_tz": "texte", "from_tz": "texte", "datetime": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"error": {}, "source": {}, "target": {}, "utc_equivalent": "texte"}}

• ref_timezone_lookup≈ 1016 tokens

  Get timezone info by IANA ID, country code, or partial city/region name. Returns current UTC offset, standard offset, whether DST is currently active, and major cities in the timezone. When querying by country code (ISO alpha-2), returns all timezones observed in that country. Accepts partial matches — "Tokyo" resolves to "Asia/Tokyo", "NY" resolves to "America/New_York".

  Paramètres, retour & exemple (3)

  Paramètres

  • at · string · optionnel
    ISO 8601 datetime to evaluate timezone state at a specific moment (e.g., "2026-01-15T12:00:00"). Defaults to current time.
  • by · string · optionnel · iana | country | auto
    Lookup mode: iana for exact IANA ID, country for ISO alpha-2 code, auto tries all strategies.
  • query · string · requis
    IANA timezone ID (e.g., "America/New_York"), ISO alpha-2 country code (e.g., "US"), or partial city/region name (e.g., "Tokyo", "London").

  Exemple d'appel

  {"name": "ref_timezone_lookup", "arguments": {"query": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"error": {}, "timezones": [], "evaluated_at": "texte"}}

• ref_unit_convert≈ 850 tokens

  Convert a numeric value between compatible units of measure. Supports: length (mm, cm, m, km, in, ft, yd, mi), mass (mcg, mg, g, kg, oz, lb, mt = metric tonne / 1000 kg, t = US short ton / 907.18 kg), volume (ml, cl, dl, l, kl, tsp, Tbs, fl-oz, cup, pnt, qt, gal, m3), temperature (C, F, K, R — non-linear conversions handled), speed (m/s, km/h, knot, ft/s), pressure (Pa, kPa, MPa, hPa, bar, torr, psi), energy (J, kJ, Wh, kWh, MWh), power (W, mW, kW, MW, GW), frequency (Hz, kHz, MHz, GHz), digital storage (b, Kb, Mb, Gb, Tb, B, KB, MB, GB, TB), and angle (deg, rad, grad). Incompatible units (e.g., km to kg) return an error identifying the quantity mismatch.

  Paramètres, retour & exemple (3)

  Paramètres

  • to · string · requis
    Target unit abbreviation (e.g., "mi", "F", "m/s", "kJ", "lb").
  • from · string · requis
    Source unit abbreviation (e.g., "km", "C", "m/h", "kWh", "kg").
  • value · number · requis
    Numeric quantity to convert.

  Exemple d'appel

  {"name": "ref_unit_convert", "arguments": {"to": "texte", "from": "texte", "value": 1}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"error": {}, "value": 1, "result": 1, "measure": "texte", "to_unit": "texte", "from_unit": "texte", "result_precision": "texte"}}

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Source

https://reference-data.caseyjhand.com/mcp