Find the structure your AI needs.
A live registry of versioned meta-model specifications and clearly labelled research profiles. Search by family, category, industry, domain, name or tags; storage formats and interfaces remain independent.
Access Audit
Append-only log of every read and grant
Access Enforcement & Breach
Access violations breaches sanctions and remedies
Access Contract / Consent
Provide a format-neutral, machine-readable instrument of permission to read: which party permits which reader to read which slice of data, for which declared purpose, under which …
Act / Action
Atomic actions: who did what, to what, when, where
Administrative Area
Represent a governed administrative or official statistical territorial unit with stable identity, versioned codes and names, authority, hierarchy, direct boundary geometry and li…
Administrative Procedure / Case
Describe one public-law administrative case with stable identity, procedural evidence and qualified outcome references.
Advertisement / Promotion
Represent a governed promotional-instrument specification family with discriminated advertisement and sales-promotion profiles so agents can understand claims, evidence, disclosur…
Agent Skill / Instruction
Represent a governed, versioned and portable reusable instruction package that tells an AI agent when and how to perform a bounded capability, with explicit contracts, resources, …
Agriculture & Husbandry
Farms, crops, livestock, seasons, harvest
AI Agent
Describe an AI agent as a governed, identifiable non-human actor that holds delegated authority, is bound to tools and memory, operates under policy and oversight, and can be insp…
AI Incident Report
Represent one governed, versioned AI incident reporting case that makes facts, timeline, affected systems, classification, impact, causal assessments, response, obligations, submi…
AI Inference / Agent Run
Provide the format-neutral context structure an AI agent needs to open, execute, observe, close, audit, cost and retain a single AI inference or agent run, so that what was asked,…
AI Model Evaluation
Provide the format-neutral context an agent needs to plan, execute, record, interpret, approve and disclose an evaluation of a specified AI model or system version, and to retain …
AI Model Registry Entry
Represent one governed, discoverable registry record that binds an AI model family or version to artifacts, technical metadata, lineage, rights, evaluations, approvals, lifecycle …
AI Safety / Governance Assessment
Provide the format-neutral context an agent needs to create, inspect and operate a governance or safety assessment record for a specific AI system: what was assessed, under which …
AI Software Meta-Model
Connected software context for AI agents and software delivery.
AI System
Describe a governed AI-enabled system as a unit of accountability that is larger than any single model artifact: its identity, declared purpose, composition, classification, lifec…
Alias / Same-as Mapping
Provide a format-neutral mixin for federated identity equivalence: identified, versioned assertions that two externally owned references denote the same subject, carrying issuing …
Application / Request Record
Provide the format-neutral context an agent needs to understand, create, inspect and operate a record of a request submitted by a party to a responsible body, from intent-to-submi…
Appointment / Reservation Event
Represent a proposed, held or confirmed allocation of time, capacity, service, place or resource among participants without owning availability, actual encounter, service order or…
Assessment / Evaluation
Give an agent the context needed to understand, create, inspect and operate an assessment or evaluation record: what was assessed, against which criteria at which version, by whic…
Assumption
Represent one governed premise accepted provisionally for a stated purpose, scope and reasoning context without asserting that it is a verified fact.
Attestation / Credential
Represent issuer-asserted claims with durable identity, evidence, validity, status, securing and purpose-bound presentation while remaining independent of storage and interface fo…
Audit / Assurance Engagement
Represent a governed professional engagement and its evidence-to-conclusion chain so agents can manage terms, independence, risks, procedures, evidence, findings, reporting and fo…
Border Customs & Migration
Border crossings, customs, residency and migration status
Budget
Represent a governed, versioned resource plan and its authorization, allocation, execution bindings, forecasts and performance context independently of storage, exchange or user i…
Build / Release
Provide the context an agent needs to understand, create, inspect and operate a software release aggregate: its identity and version designation, the build runs and provenance tha…
Building / Structure
Represent a persistent building or engineered structure as a governed physical artifact with identity, geometry, composition, fabric, materials, systems, capabilities, condition, …
Business Continuity / Recovery
Represent a governed continuity capability that identifies critical delivery, analyzes disruption impacts, releases strategies and plans, proves readiness through exercises, recor…
Business Establishment / Branch
Describe an organization operating presence with explicit source-defined kind, operator, sites, local activity and evidence.
Campaign
Represent a governed, coordinated set of activities directed at defined audiences, subjects or environments to produce intended outcomes over a bounded period without absorbing th…
Care Plan / Episode
Represent a governed care-context aggregate so agents can distinguish subject-specific planning from provider episode responsibility while connecting goals, participants, intended…
Change Request
Represent a formal, identifiable proposal to alter a controlled subject (configuration item, document, requirement set, service or process), together with its classification, just…
Material & Substance
Materials and chemical substances
Building & Structure
Buildings and engineered structures
Claim / Proposition
Provide a format-neutral record of a truth-apt assertion: what proposition is asserted, under what scope and qualification, by whom and with what standing, how it relates to other…
Classification Binding
Provide a format-neutral, reusable pattern for the governed act of binding a subject to one or more terms drawn from an identified, versioned classification scheme, carrying the a…
Clinical / Biological Specimen
Represent one governed physical material specimen and its source-qualified collection, derivation, condition, custody, quality, use and disposition history.
Clinical Observation / Diagnosis
Represent one source-qualified clinical assertion, explicitly profiled as an observation result, clinical impression or diagnosis-condition, so agents can interpret evidence, stat…
Commercial Contract
Give agents the context needed to identify, form, read, operate and close a legally binding commercial agreement between two or more parties as a jointly owned record, independent…
Communication Interaction
Provide the format-neutral context an agent needs to open, conduct, evidence, classify, correlate and close a communication interaction - a bounded exchange of contact turns betwe…
Communications & Data Transmission
Telecom/internet as service: spectrum, addressing, traffic
Component Type / Engineering BOM
Describe reusable type-level engineering composition distinctly from as-built assembly.
Concept / Term
Represent a stable, identified semantic concept as a unit of thought that is independent of any label, language or storage format, together with the designations, definitions, not…
Constraint / Requirement Rule
Represent one governed formal or formalizable rule that constrains, requires, permits or prohibits a subject under explicit applicability, authority and evaluation semantics.
Construction & Works
Construction projects and works in progress
Contact Point
Provide a reusable, format-neutral mixin that describes one addressable communication channel bound to a subject, together with its medium, canonical address value, purpose/contex…
Contact Point / Party Profile
Provide a reusable, format-neutral contact-profile component that any party model (person, organization, role or other party) can mix in, so that addressable channel endpoints, co…
Content Provenance Credential
Represent an issuer-attributable, integrity-protected and asset-bound set of provenance assertions with verifiable lineage, status, validation and disclosure context.
Content Publication
Represent one governed content-publication operation that binds an external content revision, records review and authority, issues a release instruction, observes origin and downs…
Court / Arbitration Case
Represent a governed court, tribunal or arbitration proceeding with authoritative docket identity, procedural history and child legal records independent of storage and interface …
Media & Creative Work
An intellectual or artistic work distinct from its files, renditions and publication events.
Credit Debt & Financial Instruments
Loans, bonds, equity, collateral, holdings
Cultural Artifact & Heritage
Artifacts of cultural and historical value
Currency / Monetary Value
Provide an embeddable declaration of a monetary value on a host object: an exact decimal amount bound inseparably to an identified currency, with declared precision and rounding i…
Customer / Account Relationship
Describe a customer relationship mastered by CRM, including seller scope, role, lifecycle, commercial references and accountable context.
Cyber Incident
Represent an occurrence or linked set of occurrences determined to have actually or imminently compromised protected digital systems, information, services or computer-controlled …
Cyber Integrity & System Security
Vulnerabilities, threats, incidents of N4/M8 systems
Data Lineage
Provide a format-neutral, composable pattern for asserting, evidencing and governing how datasets and their fields were derived from other datasets and fields through processing a…
Data Pipeline
Represent one governed reusable data pipeline definition whose topology, interfaces, logic references, policies and controls can be understood and projected without absorbing runt…