Spec namespace (/ns/)
Every Mentionable spec identifier — extension URIs, JSON-LD context terms, custom rels — lives
under /ns/. See URL scheme convention for the four
patterns and the migration table from the legacy /spec/* and
/agent-card URLs.
Versioned spec identifiers
- REST Transport v0.1 —
https://mentionable.dev/ns/transport-rest/v0.1 - PolicyPart v0.1 —
https://mentionable.dev/ns/policy/v0.1 - IdentityEvidence v0.1 —
https://mentionable.dev/ns/identity/v0.1 - A2A Tool Events v0.1 —
https://mentionable.dev/ns/a2a-tool-events/v0.1 - Normalized Message v0.1 (MIME profile) —
https://mentionable.dev/ns/normalized-message/v0.1