Find the structure your AI needs.
A live registry of versioned meta-model specifications. Search by family, category, industry, domain, name or tags; storage formats and interfaces remain independent.
orange
Let an agent handle orange by colour specification, uses such as safety signalling, symbolism and accessibility.
plough
Let an agent explain ploughs and their types, relay history, design and operation from agricultural sources, describe modern and traditional use, and distinguish ploughs from harr…
prime number
Let an agent handle primes mathematically, with tests, notable classes and records, and their role in cryptography.
spoon
Let an agent explain kinds of spoons and their uses, support choosing and caring for spoons, describe spoons as measures, and describe their history and cultural roles.
square
Let an agent handle squares as geometric figures and as the arithmetic operation, with properties, formulas and uses.
sweet potato
Let an agent identify the sweet potato and its varieties, relay cultivation, nutrition, storage and trade information from agricultural and food authorities, and separate it from …
tropical cyclone
Let an agent explain tropical cyclones and their classification, relay forecasts, warnings and preparedness guidance from meteorological and emergency authorities, route people in…
velocity
Let an agent handle velocity by definition, calculation, frame of reference and applications, distinguishing it from speed.
Arabic alphabet
Enable an agent to recognise the Arabic alphabet, record its repertoire and writing conventions, assess a representation against an identified convention, and choose transformatio…
carrot
Let an agent explain the carrot as a plant and food, describe cultivars, cultivation and culinary uses, relay nutrition information from health bodies, and describe history and fo…
Coca-Cola
Let an agent explain Coca-Cola as a product, relay history, variants, marketing history, health and environmental debates from business history, public health and news sources wit…
Ebola hemorrhagic fever
Enable an AI agent to recognise Ebola hemorrhagic fever, assess the evidence and course of a disease occurrence, and identify actions requiring clinical or public-health authority.
fern
any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
penguin
Let an agent explain penguins and their species, describe their biology and behaviour, present conservation status and threats with attribution, and support learning and responsib…
soybean
Let an agent explain the soybean as a plant and crop, relay botany, cultivation, uses, trade and the debates around genetic modification and deforestation from agronomic and polic…
status
the relative position or standing of things or especially persons in a society
T/t
Enable an AI agent to recognise, describe and handle T/t as a letter while distinguishing its identity from its glyphs, linguistic uses and context-dependent symbolic meanings.
tungsten
Let an agent explain tungsten as an element and material, relay its properties, uses, supply and trade information from reference and regulatory sources, and separate the metal fr…
drum
Let an agent identify drum types and their cultural origins with attribution, explain construction, tuning and playing, relay classification and standards, and separate drums from…
glacier
Let an agent handle glaciers by name, type, size, change over time, hazards and visiting safety, with sourced monitoring data.
iridium
Let an agent explain iridium as an element and its properties, describe uses and isotopes, explain its role as evidence of the Cretaceous impact, and support learning.
judo
Let an agent explain judo and its techniques, rules and philosophy, describe training, grading and competition, support beginners and fans, and describe history and its relation t…
liquid
Let an agent explain the liquid state and its properties, distinguish liquids from other states and from fluids in general, support questions on measuring and handling liquids, an…
memory
Let an agent explain memory and its systems, describe how memory works and fails, support memory improvement and study strategies with evidence, and route concerns about memory pr…
musical instrument
Let an agent handle musical instruments by classification, construction, playing, care, hire and trade rules.
plutonium
Let an agent explain plutonium as an element and its isotopes, relay properties, production in general terms, uses in energy and space, and hazards from chemistry and public refer…
prison
Let an agent handle prisons by type, jurisdiction, conditions, rights and contact, neutrally, with dignity for people held.
airport
Let an agent handle airports by code, location, facilities, operations, access and passenger rights.
aviation
Let an agent explain aviation sectors and how they work, support passengers, pilots and careers with sourced information, describe safety and regulation, and treat military aviati…
chemical compound
Let an agent identify compounds by name, formula and identifiers, and carry their hazards and regulatory status, without giving instructions for making dangerous compounds.
copyright
Let an agent explain copyright and its scope, duration, exceptions and international framework in general terms, describe related systems such as legal deposit, support understand…
drink
Let an agent handle drinks as the general category by type, ingredients, safety, nutrition and alcohol content.
grass
narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay
palladium
Let an agent explain palladium as an element and its properties and isotopes, describe its uses especially in catalysis, describe supply, recycling and market issues from public s…
pathology
any deviation from a healthy or normal condition
political science
Let an agent handle political science as a discipline by subfield, methods and evidence, neutrally and without partisanship.
polonium
Let an agent explain polonium as an element and its properties, isotopes and history, describe its limited uses and its radiological hazards with reference to authorities, and dec…
position
the spatial property of a place where or way in which something is situated
pyramid
Let an agent handle pyramids as structures by culture, period, construction, heritage and access, separating geometric and financial senses.
rugby
Let an agent explain the rugby codes and their rules, follow competitions and results with sources, support safe participation at all levels, and describe history and governance.
telescope
Let an agent explain telescopes and their types and principles, support choosing and using telescopes for amateur astronomy, describe major observatory and space telescopes with s…
acceleration
Let an agent explain acceleration and compute it in problems, distinguish related concepts such as proper and tidal acceleration, describe measurement, and separate metaphorical s…
alcoholic beverage
Let an agent give factual, non-promotional information about alcoholic drinks, route alcohol poisoning to emergency help, point to health guidance and support services, and explai…
arthropod
Let an agent explain arthropods and their major groups, describe their biology and roles in ecosystems and human life, support identification at group level, and describe their si…
boat
Let an agent explain boat types and their uses, support safe boating, describe buying, maintaining and registering boats, and answer questions about boat design and history.
carbon dioxide
Let an agent explain carbon dioxide and its properties, relay its roles in the carbon cycle, atmosphere and climate from scientific sources with attribution, describe industrial u…
coal
Let an agent explain coal as a rock and fuel and its ranks and types, describe mining, use and trade, present environmental, health and policy issues with attribution, and support…
constellation
Let an agent explain constellations and their boundaries, help people find and observe them, distinguish IAU constellations from asterisms and cultural star groups, and describe m…
door
Let an agent handle doors by type, function, fire and security performance, and accessibility.
equation
Let an agent explain equations by type, solution method and application, help learners solve them step by step, and avoid personal financial advice when equations model investment…
integer
Let an agent reason about integers mathematically and in computing, where fixed-width representations add overflow and signedness issues.
Kurdish
Let an agent describe the Kurdish languages and their varieties, relay speaker numbers, scripts and legal status with sources, present language policy issues with attribution, and…
molybdenum
Let an agent identify molybdenum and its properties, relay production, uses, isotopes and biological roles from reference sources, explain the medical importance of molybdenum-99,…
osmium
Let an agent explain osmium as an element, relay its properties, uses and hazards from reference sources, and separate the metal from osmium tetroxide and other platinum group met…
peninsula
Let an agent explain peninsulas and how they form, identify specific peninsulas with sources, describe their geography and significance, and support travel and study.
reproduction
Let an agent handle reproduction as a biological process across organisms, with modes, stages and factors, in a factual and age-appropriate way.
smallpox
Let an agent explain smallpox as a historical and eradicated disease, relay its history, the vaccination and eradication story and current biosecurity arrangements from WHO and hi…
astatine
Let an agent explain astatine as an element and its rarity and properties, describe its isotopes and medical research use, present what is known and uncertain with attribution, an…
Baháʼí Faith
Let an agent describe the Bahai Faith neutrally from its own sources and academic scholarship, explain its beliefs, institutions and practice with attribution, relay information o…
common cold
Let an agent explain the common cold and its causes in general terms from public health sources, describe symptoms, spread and self-care, distinguish colds from influenza, COVID-1…