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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 1.0 v1.0.0

AB500 Artist Research Agent

ab5d.xyz

Read-only research over AB500's public catalogue of artist dossiers, editions, collections, and bibliographies.

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Trust score
55/100
grade D · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
~214 ms response
Observed inflow · 30d
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 55/100
D-grade: significant issues, auth-gated, partially broken, or stale.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).
pass Live JSON-RPC 25/25
Endpoint responds to a negotiated A2A SendMessage probe (answers in ~214 ms).
pass Protocol version 10/10
Declares A2A 1.0 with supportedInterfaces[] (current v1 card shape).
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
partial Skill declaration 6/10
Declares 1 skill, usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
fail Verified Identity 0/10
No provider organisation declared. Anonymous agent.
How to earn +10 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-08-22 02:19:47 current 6e0212d05eac… view →
Uptime
100.0%
1 direct probes · 30d
Response
44ms
last direct probe
Skills
1
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://ab5d.xyz/.well-known/agent-card.json
Discovered via
mcp_registry

Skills · 1 declared · mapped to canonical taxonomy

Search artist dossiers

Search the live AB500 artist catalogue by artist name, slug, subtitle, or dossier tier and return canonical dossier URLs.

canonical Academic Paper Search match 82%
artistsdossierseditionsbibliographies

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-08-22 02:19:47 200 44ms

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/ab5d.xyz.svg)](https://agenstry.com/agents/ab5d.xyz)
[![Verified Business](https://agenstry.com/badge/ab5d.xyz/identity.svg)](https://agenstry.com/agents/ab5d.xyz)
[![Uptime](https://agenstry.com/badge/ab5d.xyz/uptime.svg)](https://agenstry.com/agents/ab5d.xyz)
[![A2A version](https://agenstry.com/badge/ab5d.xyz/protocol.svg)](https://agenstry.com/agents/ab5d.xyz)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "protocolVersion": "1.0",
  "name": "AB500 Artist Research Agent",
  "description": "Read-only research over AB500's public catalogue of artist dossiers, editions, collections, and bibliographies.",
  "version": "1.0.0",
  "url": "https://maxand98.com/a2a?tenant=ab500",
  "preferredTransport": "JSONRPC",
  "supportedInterfaces": [
    {
      "url": "https://maxand98.com/a2a?tenant=ab500",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0",
      "tenant": "ab500"
    }
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain"
  ],
  "skills": [
    {
      "id": "search-artist-dossiers",
      "name": "Search artist dossiers",
      "description": "Search the live AB500 artist catalogue by artist name, slug, subtitle, or dossier tier and return canonical dossier URLs.",
      "tags": [
        "artists",
        "dossiers",
        "editions",
        "bibliographies"
      ],
      "examples": [
        "Find the 0xphiiil dossier",
        "Search for generative artists"
      ],
      "inputModes": [
        "text/plain"
      ],
      "outputModes": [
        "text/plain"
      ]
    }
  ],
  "securitySchemes": {},
  "security": []
}