Model Context Protocol
Exchange Schema
AI
openly published
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Also in the API standards catalog
This standard shows up on both sides of the house — as a data model here, and as a standard applied in API operations. Same standard, two lenses.
See it as an API standard →Other ai data models
MLCommons AI Safety / risk taxonomies
Code System
Croissant (ML dataset metadata)
Metadata Model
Hugging Face Dataset Card / DCAT-AI alignment
Metadata Model
EU AI Act technical documentation requirements
Metadata Model
MLflow / OpenInference tracing schemas
Information Model
Model Cards / Data Cards
Metadata Model