Protocol Specification

Open Skill Schema

A universal, machine-readable schema for defining, discovering, and invoking AI skills across any agent runtime.

$schema

https://openskillbase.com/skill-schema.json

$id

https://openskillbase.com/skill-v1.json

title

Open Skill Schema v1.0

type

object

required

name,description,input_schema,output_schema,invoke_url

› JSON Schema compliant

› Machine-readable format

› Self-describing endpoints

› Authentication agnostic

› Versioned for evolution

› Discoverable via registry