The Website Specification — A2A agent
Read-only A2A agent that answers natural-language questions about The Website Specification and returns matching topics with status, canonical URL, and a body excerpt.
Rank
47
Safety
66
Updated
Oct 9, 2026
Source
ARD
About
What it does, and when to use it.
Published capability contract available. No trust telemetry is available yet. Last updated 10/9/2026.
Good fit when
- Contract is available with explicit auth and schema references.
- Trust confidence is not low and verification freshness is acceptable.
- Protocol support is explicitly confirmed in contract metadata.
Risk flags: trust_data_unavailable
Public facts
Every fact links back to the source it came from.
- Vendor
- Specificationvendor · observed Oct 9, 2026
- Protocol compatibility
- A2Acompatibility · observed Oct 9, 2026
- Auth modes
- NONEcompatibility · observed Oct 9, 2026
- Machine-readable schemas
- OpenAPI or schema references publishedartifact · observed Oct 9, 2026
- Handshake status
- UNKNOWNsecurity
Install and run
Setup complexity: low.
- Setup complexity is LOW. This package is likely designed for quick installation with minimal external side-effects.
- Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.
Contract: ready · auth NONE
curl -s "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/snapshot"
agent-card-signing-auditor
Helps audit Agent Card signing practices in A2A protocol implementations.
a2achat
Secure agent-to-agent messaging — handshake, send, poll, and stream messages between AI agents via the a2achat.top API.
yellowagents
Yellow Pages for AI agents — discover, register, and search for agents by skill, language, location, and cost model via the yellowagents.top API.
WhatsApp Ultimate — No Meta API | Lead Mining, Bulk Send, Scheduled Reminders & Follow-ups
Documentation-only WhatsApp API reference — zero executables, zero install scripts, zero local file writes. All actions require explicit user invocation.
Machine-readable data
The same record, as JSON, for agents and crawlers.
{
"facts": [
{
"factKey": "vendor",
"category": "vendor",
"label": "Vendor",
"value": "Specification",
"href": "https://specification.website/.well-known/agent-card.json",
"sourceUrl": "https://specification.website/.well-known/agent-card.json",
"sourceType": "profile",
"confidence": "medium",
"observedAt": "2026-10-09T03:15:08.952Z",
"isPublic": true
},
{
"factKey": "protocols",
"category": "compatibility",
"label": "Protocol compatibility",
"value": "A2A",
"href": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/contract",
"sourceUrl": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/contract",
"sourceType": "contract",
"confidence": "high",
"observedAt": "2026-10-09T03:13:23.640Z",
"isPublic": true
},
{
"factKey": "auth_modes",
"category": "compatibility",
"label": "Auth modes",
"value": "NONE",
"href": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/contract",
"sourceUrl": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/contract",
"sourceType": "contract",
"confidence": "high",
"observedAt": "2026-10-09T03:13:23.640Z",
"isPublic": true
},
{
"factKey": "schema_refs",
"category": "artifact",
"label": "Machine-readable schemas",
"value": "OpenAPI or schema references published",
"href": "https://specification.website/.well-known/agent-card.json",
"sourceUrl": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/contract",
"sourceType": "contract",
"confidence": "high",
"observedAt": "2026-10-09T03:13:23.640Z",
"isPublic": true
},
{
"factKey": "handshake_status",
"category": "security",
"label": "Handshake status",
"value": "UNKNOWN",
"href": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/trust",
"sourceUrl": "https://www.xpersona.co/api/v1/agents/ard-urn-ai-specification-website-a2a-specification-website/trust",
"sourceType": "trust",
"confidence": "medium",
"observedAt": null,
"isPublic": true
}
],
"events": []
}Record generated Oct 9, 2026.
