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.
shoe
Let an agent handle shoes by type, size system, materials, fit and safety, including protective footwear standards.
West Africa
Enable an AI agent to identify West Africa under an explicit regional convention, assess claims about its changing conditions, and determine when regional comparisons or actions a…
dream
Let an agent handle dreams by sleep science, cultural meaning and interpretation claims, neutrally and non-graphically, and route persistent nightmares or sleep problems to profes…
fear
Let an agent explain fear as an emotion and its biology, distinguish healthy fear from disorders and route to care, describe collective fears and scares neutrally with attribution…
hospital
Let an agent handle hospitals by services, location, type, access and quality, and direct urgent needs to emergency services.
Industrial Revolution
Enable an AI agent to recognise, compare and assess source-attributed accounts of the Industrial Revolution without treating disputed dates, causes or consequences as settled fact…
manganese
Let an agent identify manganese and its properties, relay production, uses, isotopes and biological roles from reference sources, relay safety and exposure information, and distin…
monotheism
Let an agent explain monotheism and its forms across traditions with attribution, describe key concepts such as tawhid and ethical monotheism, present scholarly and inter-religiou…
muscle
Let an agent handle muscles by type, location, function, fitness and injury, referring medical questions to professionals.
nickel
Let an agent identify nickel and its properties, relay production, uses and isotopes from reference sources, relay health and regulatory information such as allergy and exposure l…
platinum
Let an agent explain platinum as an element and its properties and isotopes, describe uses in catalysis, jewellery, medicine and industry, present supply and market information wi…
Romance
Let an agent explain the Romance language family and its branches and members, describe development from Latin and shared features, support learners and researchers, and describe …
sand
Let an agent explain sand, relay classification, types, formation, uses, extraction impacts and health hazards from geology, UNEP and occupational health sources with debates attr…
tobacco
Let an agent explain tobacco as plant, commodity and product, relay cultivation, history, health effects and regulation from WHO and public health sources, describe the products, …
website
Let an agent handle websites by ownership, purpose, trustworthiness, accessibility, privacy and legal notices, and help people spot scam sites.
writing system
Let an agent handle writing systems by type, script, languages, encoding and learning.
Zoroastrianism
Let an agent describe Zoroastrianism and its beliefs, practices and communities with attribution, explain its history and influence, support respectful understanding, and identify…
athletics
Let an agent explain athletics disciplines and rules, follow competitions and records with sources, support training and participation safely, and describe governance and history.
butterfly
Enable an agent to recognise a butterfly, distinguish its taxonomic identity from an individual or population, assess its life-stage-specific condition, and choose appropriate obs…
cholera
Enable an agent to recognise suspected cholera, assess illness and transmission states, and support evidence-based care escalation and public-health response.
neck
Enable an agent to recognise an anatomical neck, record its structure and functional state, and determine which observations or actions require species-specific knowledge or quali…
New Year
Let an agent handle New Year by calendar, date, customs and public holiday status, and not assume 1 January everywhere.
operation
a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body
Prunus persica
Let an agent describe the peach tree and its fruit, relay cultivation, cultivars and production from horticultural sources, describe pests and diseases, and distinguish peaches fr…
theology
Let an agent handle theology by tradition, branch, thinkers and institutions, attributing positions to their traditions and staying neutral between faiths and non-belief.
vagina
Enable an AI agent to identify a vagina, represent its anatomical and functional state, and distinguish observations from conclusions that require clinical assessment.
circle
Let an agent explain circles by definition, formulas, theorems and applications, and separate geographic and other senses.
Jainism
Let an agent describe Jainism respectfully, attributing beliefs and practices to Jains, using sourced information on communities, festivals and sites, and avoiding stereotypes.
krypton
Let an agent identify krypton and its properties, relay isotopes, production and uses from reference sources, explain its historical role in defining the metre, and distinguish it…
nuclear weapon
Let an agent explain the history, policy, law and humanitarian dimensions of nuclear weapons with attribution, describe arms control and disarmament frameworks, present deterrence…
pandemic
Let an agent explain what a pandemic is and how it differs from an epidemic and an outbreak, relay declarations, guidance and data from WHO and national authorities, describe prep…
penis
Let an agent explain the anatomy and function of the penis in clinical terms, describe common conditions and care in general terms as documented by medical bodies, cover comparati…
Quercus
Let an agent describe the oak genus and its species, relay botany, ecology and uses from botanical sources, describe cultivation and threats, and route to entries for specific spe…
barium
Let an agent explain barium as an element and its properties and compounds, describe its uses in industry and medicine, relay toxicity and safety information from authorities, and…
chair
Let an agent describe chairs by type, dimensions, materials and safety, and treat wheelchairs as assistive devices with their own regulation.
industry
Let an agent explain industry as a sector and as branches of economic activity, describe classification systems and industrial organisation, present statistics and trends from sou…
map
Let an agent handle maps by type, scale, projection, date, source, licence and reading skills.
natural science
Let an agent explain the natural sciences and their methods, place a topic within them, describe how scientific knowledge is produced and assessed, and support learning and career…
rock music
Let an agent handle rock music by subgenre, artists, history, recordings and live events, with sourced facts and neutral taste.
Ursus maritimus
Enable an AI agent to recognise Ursus maritimus, interpret evidence about its individuals and populations, and support habitat protection, monitoring and authorised management.
window
Let an agent treat a window as the part of a building envelope that is simultaneously an opening, a barrier and a route, and decide what may be done at it.
World Wide Web
Let an agent explain the World Wide Web, relay its history, core technologies, governance and evolution from W3C and computing history sources, describe the named extensions and f…
astrology
Let an agent describe astrology as a cultural and historical practice with attribution, explain its systems as practitioners describe them, state the scientific consensus clearly,…
cereal
Let an agent handle cereals by species, cultivation, grain use, nutrition, allergens and trade.
colonialism
Let an agent describe colonialism as a historical and political phenomenon with attribution to historians and to the perspectives of colonised peoples, distinguish its forms and r…
complex number
Let an agent handle complex numbers by form, operations, representation and applications.
face
Let an agent handle the face by anatomy, expression, care and injury, and treat facial images and recognition as sensitive personal data.
foot
Let an agent explain foot anatomy and function, route foot problems to care, describe footwear and foot health guidance, and cover animal feet and culinary uses.
garden
Let an agent handle gardens by type, design, plants, care, access and heritage.
golf
Let an agent explain golf and its rules, relay competitions, handicapping and history from official sources, describe variants, and route current results to official data.
primate
Let an agent explain primates and their classification, describe their biology and behaviour, present conservation status with sources, and address human evolution and research et…
radium
Let an agent explain radium as an element, relay its properties, history and hazards from reference and regulatory sources, describe legacy contamination and the radium dial paint…
Ramadan
Let an agent describe Ramadan and its observances with attribution to Islamic tradition, explain the calendar and its dates, relay health and workplace guidance from recognised bo…
thermodynamics
Let an agent explain the laws and concepts of thermodynamics, support calculations and problem solving, describe its branches and applications, and support learning.
advertising
Let an agent handle advertising by medium, rules, disclosure, targeting and complaints, helping people recognise ads and understand their rights.
Ancient Greek
Let an agent explain Ancient Greek, relay its periods, dialects, literature and influence from classics and linguistics sources, describe the named dialects, and distinguish Ancie…
baseball
Let an agent explain baseball and its rules, relay history, competitions and records from official sources, describe the sport in different countries and levels, and route current…
bromine
Let an agent explain bromine as an element, relay its properties, uses, hazards and regulation from reference and regulatory sources, and separate the element from bromide salts a…
change
an event that occurs when something passes from one state or phase to another
francium
Let an agent explain francium as an element, relay its properties, occurrence and research uses from reference sources, and separate fact from popular exaggeration about its react…