{ Schemas.Pub }
Add Schema-
ActivityPub Unofficial JSON Schema
by Data Transfer Initiative • Nov. 6, 2025 • 54 URLs -
AGENTS.md File
Representation of an AGENTS.md file's structured content providing context and instructions to AI coding agents.
by admin • Oct. 5, 2026 • 1 URL -
AI Conversation History - personal data portability format for exporting AI conversations
Your conversations with your AI tools and services are your personal data.
by Data Transfer Initiative • Nov. 13, 2025 • 1 URL -
ATProto Community Lexicon - Bookmark, Like, Event, RSVP, etc
by admin • Nov. 6, 2025 • 17 URLs -
Biome Configuration Schema
by admin • Aug. 27, 2026 • 1 URL -
C2PA Conformance Program
by admin • Feb. 11, 2026 • 5 URLs -
Data Transfer Project: Generic schema for personal data portability
Used by the Data Transfer Project and by services connecting to a DTP server to request personal data access.
by Data Transfer Initiative • Oct. 22, 2025 • 7 URLs -
DomainConnect (DCON) Internet-draft 'settings' schema (Unofficial)
by admin • Nov. 6, 2025 • 1 URL -
Efficient XML Interchange (EXI) Format 1.0 (Second Edition)
- W3C
by admin • Oct. 31, 2025 • 1 URL -
EMMA: Extensible MultiModal Annotation markup language
- W3C
by admin • Oct. 31, 2025 • 1 URL -
Emotion Markup Language (EmotionML) 1.0
- W3C
by admin • Oct. 31, 2025 • 1 URL -
EXI for JSON (EXI4JSON)
- W3C
by admin • Oct. 31, 2025 • 1 URL -
Happenstance AI Personal network API
by admin • March 2, 2026 • 1 URL -
HLink: Link Recognition for the XHTML family
- W3C
by admin • Oct. 31, 2025 • 1 URL -
Icebreaker "Stream" water data schema
by admin • Oct. 22, 2025 • 7 URLs -
Ink Markup Language (InkML)
- W3C
by admin • Oct. 31, 2025 • 1 URL -
JSON-RPC 1.0
by admin • Oct. 22, 2025 • 1 URL -
MCP Registry Server Schema
JSON Schema for a Server Detail entry in the Model Context Protocol Registry API, auto-generated from the registry's OpenAPI specification.
by admin • Sept. 9, 2026 • 2 URLs -
Model Context Protocol - MCP
The Model Context Protocol (MCP) is an open protocol that standardizes how applications provide context to LLMs. It defines a client-server architecture connecting LLM applications (hosts) to external data sources and tools (servers) via JSON-RPC 2.0, covering resources, tools, prompts, sampling, and roots.
by admin • Oct. 22, 2025 • 1 URL -
More Instant Messaging Interoperability (MIMI) message content
by admin • Nov. 4, 2025 • 3 URLs -
Open Semantic Interchange - OSI
by admin • July 5, 2026 • 2 URLs -
OSIRIS JSON
OSIRIS JSON Open Specification for Infrastructure Resource Interchange Schema generate free, private point-in-time snapshots of your infrastructure for reports, diagrams, drift audits, CMDB/IPAM/DCIM workflows and controlled AI/MCP context. An interchange format designed for portability, end-to-end clarity, and OT inclusion from the ground up.
by tiazanella • June 22, 2026 • 1 URL -
Personal Data Portability Archive (PDPArchive) format for mail, contacts, calendar, tasks
A standardized archive-suitable format for personal productivity data can help with use cases like backups, third-party access, and simple synchronization (one-way).
by Data Transfer Initiative • June 3, 2026 • 3 URLs -
RERO ILS Data Model
JSON schemas for the resources in RERO ILS, the integrated library system used by the RERO+ library network: bibliographic documents, holdings, items, entities, patrons, circulation, acquisitions, organisations, libraries, notifications, stats, and more.
by admin • Oct. 19, 2026 • 32 URLs -
RFC 9115: An Automatic Certificate Management Environment
- RFC
With the ACME protocol, the holder of a domain name can allow a third party to obtain an X.509 certificate. This is the JSON Schema definition of the CSR template
by admin • Oct. 30, 2025 • 1 URL -
RFC 9321: Signature Validation Token
- RFC
by admin • Oct. 30, 2025 • 1 URL -
RFC9457 - Problem details for HTTP responses
by admin • Oct. 22, 2025 • 1 URL -
Schemas.Pub Manifest
A JSON schema for Schemas.Pub manifests
by Data Transfer Initiative • May 25, 2026 • 1 URL -
Semantic Definition Format (SDF) for Data and Interactions of Things
by admin • Nov. 2, 2025 • 1 URL -
TOIP Trust Registry Protocol
by lisa+toip • Feb. 18, 2026 • 4 URLs