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.
Crusades
Let an agent explain the Crusades and their campaigns with attribution to historians, present the perspectives of the different peoples involved, describe causes, course and conse…
monkey
Let an agent explain monkeys and their diversity and biology, describe their roles in culture and research with attribution, relay conservation and welfare guidance from authoriti…
outer space
Enable an AI agent to identify a region of outer space, record its physical conditions and uncertainties, and assess whether a proposed observation, passage or operation is feasib…
Sikhism
Let an agent describe Sikhism respectfully and accurately, attributing beliefs and practices to Sikh sources, and help people find gurdwaras, observances and report hate incidents.
video game
Let an agent handle video games by title, platform, genre, age rating, safety features and accessibility, including in-game purchases and loot box rules.
axe
Let an agent explain axes and their kinds, relay design, use and history from tool, forestry and cultural sources, describe safety and maintenance, and distinguish axes from adzes…
cotton
Let an agent explain cotton as a fibre and crop, relay grades, processing, production and trade from reference sources, describe environmental and labour issues with attribution, …
diamond
Let an agent explain diamond as a material and gemstone, relay structure, formation, grading and uses from mineralogy and gemmology sources, describe synthetic and industrial diam…
eagle
Let an agent explain eagles as a grouping of raptors, identify major kinds and species, relay biology, conservation and cultural roles from ornithological sources, and distinguish…
information
a message received and understood
official language
Let an agent explain official language status and its varieties, relay examples and legal frameworks from language policy sources with attribution, describe the difference between…
opera
Let an agent explain opera and its forms, describe specific works and composers with sources, support attending and learning about opera, and describe opera institutions and histo…
sport
an active diversion requiring physical exertion and competition
steel
Let an agent explain steel and its grades and properties, describe production and processing, support selecting steels for applications, and describe the industry, recycling and h…
Vietnamese
Let an agent explain the Vietnamese language and its dialects, relay phonology, grammar, scripts and history from linguistic sources with attribution, describe its status in Vietn…
argon
Let an agent explain argon as an element and its properties, relay isotopes, occurrence and production from chemistry references, describe uses and hazards, and distinguish argon …
boxing
Let an agent explain boxing and its rules and formats, relay governance, safety and results from official sources, describe related striking sports, and route health and training …
currency
Let an agent handle currencies by code, issuer, status and subunits, and treat crypto tokens and historical currencies with their true status.
gross domestic product
Let an agent explain GDP, relay definitions, measurement approaches, variants and critiques from statistical and economic sources with attribution, describe the variants and serie…
hair
Let an agent handle hair by type, biology, care, conditions and uses, routing medical concerns to professionals.
International Standard Book Number
Enable an agent to recognise an ISBN, assess evidence for its assignment to a publication product, and decide whether to match, retain, correct or refer it for authoritative revie…
kidney
Let an agent explain kidney anatomy and function, route symptoms to care, describe kidney disease, dialysis and transplantation in general terms with attribution, and support kidn…
sexual intercourse
Let an agent handle the topic neutrally and non-graphically, focusing on consent, health services, contraception and legal information, and route anyone reporting harm to support …
titanium
Let an agent identify titanium and its properties, relay alloys, production, uses and supply from reference sources, explain the Kroll process and pigment industry, and distinguis…
translation
Let an agent handle translation by language pair, type, quality, certification and tools, and support accurate, culturally aware translation.
crime
Let an agent keep the alleged act, the case and the conviction apart, and never treat a suspicion, a charge or a record as the same thing.
friendship
Let an agent explain friendship and its forms, provide evidence-based information on making and keeping friends, describe cultural forms with attribution, and support people exper…
ginger
Let an agent explain ginger as a plant and spice, relay cultivation, culinary and traditional uses from botanical and food sources, describe health research in general terms, and …
Kazakh
Let an agent explain the Kazakh language, its dialects and scripts, relay grammar and history from linguistic sources, describe its status and the Latin script transition with att…
leap year
Let an agent compute leap years correctly across calendars and handle 29 February in dates, ages and software.
Occitan
Let an agent describe Occitan, its dialects, status and history, relay speaker figures with sources, present orthographic and naming debates with attribution, and point to learnin…
fashion
Let an agent handle fashion by period, style, designers, industry, sustainability and labour issues, with sourced history and attributed critiques.
influenza
Let an agent explain influenza and its types, relay public health guidance on prevention and vaccination, route severe cases to care, and describe animal influenza and pandemic pr…
mirror
Let an agent explain mirrors and how they form images, describe their kinds and uses from grooming to vehicles and optics, support choosing and caring for mirrors, and describe hi…
soap
Let an agent explain soap and how it works and is made, describe kinds and uses, support making and choosing soap safely, and describe regulation and history.
soil
Let an agent handle soil by type, properties, health, use, contamination and protection.
waterfall
Let an agent handle waterfalls by name, height, flow, access and safety, including the dangers of swimming and slippery rocks.
Welsh
Let an agent describe the Welsh language, its history, dialects and registers, relay speaker numbers and legal status with sources, and point to learning and revitalisation resour…
acid
Let an agent explain what acids are under the main definitions, distinguish strong from weak and mineral from organic acids, relay safety, classification and handling rules, and r…
art of sculpture
Let an agent handle sculpture by technique, material, history, artists, conservation and safe practice, with sourced information.
butter
Let an agent explain butter and its kinds, relay production, composition and regulation from dairy and food sources, describe regional and traditional forms, and note legal variat…
chromium
Let an agent identify chromium and its properties, relay production, uses, isotopes and health effects from reference sources, distinguish trivalent from hexavalent chromium, and …
Gospel
Let an agent describe the Gospels as texts with attribution to Christian traditions and to biblical scholarship, distinguish canonical from non-canonical gospels and the text sens…
inflammation
a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
machine
Let an agent explain machines by principle, type, mechanical advantage, safety and regulation, and route machinery accidents to emergency help.
programming language
Let an agent explain programming languages by paradigm, typing, ecosystem and standard, and help people choose and learn languages.
road
Let an agent reason about a road as infrastructure with an owner, a classification, a surface, rules of use and a condition, separate from the traffic on it.
volleyball
Let an agent explain volleyball and its rules, variants and competitions, relay history and governance from official sources, and route current results and rules to the federation.
algorithm
Let an agent handle algorithms by problem, steps, correctness, complexity and responsible use.
cobalt
Let an agent explain cobalt as an element and its properties and isotopes, describe its uses in batteries, alloys and medicine, relay health and safety information, and present su…
hunting
Let an agent handle hunting by law, licences, seasons, species, safety, welfare and cultural traditions, neutrally, without helping anyone evade rules or poach protected species.
iodine
Let an agent explain iodine as an element and its chemistry, describe its biological role and deficiency prevention, relay medical and emergency uses with reference to health auth…
Malay
Let an agent describe the Malay language and its varieties and standards, support learning and translation, explain status and regulation, and provide history with sources.
noun
Let an agent handle nouns by type, grammar, inflection and usage across languages, for writing, learning and language technology.
orange
Let an agent explain the orange, relay botany, varieties, cultivation, diseases and nutrition from horticultural and food sources, describe the named varieties and flag the misfil…
species
Let an agent handle species by name, classification, status, distribution and conservation, citing taxonomic authorities and presenting species concepts accurately.
Sus scrofa
Let an agent describe the wild boar and its biology, relay distribution, management and disease issues from wildlife and veterinary sources, distinguish wild boar from domestic an…
wiki
Enable an agent to recognise a wiki, assess its content and editing state, and determine which contributions or maintenance actions are appropriate.
cricket
Let an agent explain cricket, its rules, formats and governance, relay results and records from official sources, distinguish formats and informal variants, and route current fixt…
proton
Let an agent explain the proton, relay its properties, structure and discovery from physics sources, describe research topics with attribution, and distinguish the proton from the…