▷◁ Schema Commons

Open schemas for every human and AI domain

Everyone collects the same things differently. Schema Commons is the Creative Commons of data schemas — one open, machine-readable standard per messy real-world domain. Free for humans. Native for AI.

The catalog

SC-001 · PSCF

Personal Skills & Competency

The CIM for people — portable, verifiable skills.

SC-002 · HES

Health Event Schema

OCSF for patient journeys.

SC-003 · HODM

Home Ownership Data Model

Your whole house in one file.

SC-004 · LES

Life Event Standard

The glue between governments, banks & HR.

SC-005 · SBOS

Small Business Operations

A CIM for small business.

SC-006 · AAIF

Agent Interchange Format

Portable AI agents across platforms.

SC-007 · PSDM

Professional Services Delivery

Standard SOWs, deliverables & risks.

SC-008 · DAOS

Digital Asset Ownership

Inventory everything you own online.

SC-009 · CKGS

Community Knowledge Graph

Wikipedia meets AI.

SC-010 · OPS

Open Procurement Schema

Universal buying records.

SC-011 · PCS

Personal Consent Standard

Portable, revocable data consent.

SC-012 · SES

Sustainability Event Schema

Comparable carbon footprint data.

Use it in 30 seconds

Validate any example against its standard:

python tools/validate.py --all

Free forever

Schemas & docs under CC BY 4.0, tooling under Apache 2.0. Built in the open — see governance and how to contribute.