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

Unversioned spec documents

• Agent Card
• WebFinger
• A2A Agent Card

JSON-LD context

• Mentionable v1 JSON-LD context

WebFinger / HTTP rels

• rel: agent-card