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📊 Intel view 📋 Audit JSON 🔄 Changelog
90
A2A A2A 0.3.0 v1.0.0

AplusZ flight fares

aplusz.app · AplusZ (A+Z).app

I want to fly from <city A> to <city B> - what is the cheapest fare, what was the 6-month low, and which date is cheapest to book?

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Trust score
32/100
grade F · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
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

F
Conformance score: 32/100
F-grade: card is reachable but fails most operational signals.
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).
fail Live JSON-RPC 2/25
Card is valid but has no .url field.
How to earn +23 points
Respond live on JSON-RPC
Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload. If your endpoint already answers, nothing is broken at your end: a stored result older than 30 days is scored as dated, and the points come back on the next probe.
Docs →
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs →
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 2 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 →
partial Verified Identity 5/10
Provider declared: AplusZ (A+Z).app (https://aplusz.app). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 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
2026-09-13 12:03:17 current 10954bffe0ee… view →
Uptime
accumulating
1 direct probes · 30d
Response
67ms
last direct probe
Skills
2
declared
Streaming
SSE-capable

Skills · 2 declared · mapped to canonical taxonomy

Flight fare lookup

Cheapest observed fare, currency, six-month low and best departure date for one directional city pair.

canonical Flight Search and Booking match 89%
flightsfarestravelprices
Cheap destinations from a city

Destinations reachable from one origin, sorted by lowest observed fare.

canonical Flight Search and Booking match 88%
flightsinspirationtravel

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-09-13 12:03:17 200 67ms

Cheaper or better alternatives per-skill

↑ 1 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

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

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": "0.3.0",
  "name": "AplusZ flight fares",
  "description": "I want to fly from <city A> to <city B> - what is the cheapest fare, what was the 6-month low, and which date is cheapest to book?",
  "url": "https://aplusz.app/mcp",
  "preferredTransport": "streamable-http",
  "provider": {
    "organization": "AplusZ (A+Z).app",
    "url": "https://aplusz.app"
  },
  "version": "1.0.0",
  "documentationUrl": "https://aplusz.app/llms-full.txt",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain",
    "text/markdown"
  ],
  "securitySchemes": {},
  "security": [],
  "skills": [
    {
      "id": "flight-fare-lookup",
      "name": "Flight fare lookup",
      "description": "Cheapest observed fare, currency, six-month low and best departure date for one directional city pair.",
      "tags": [
        "flights",
        "fares",
        "travel",
        "prices"
      ],
      "examples": [
        "What is the cheapest flight from Paris to Bangkok, and was it ever cheaper in the last six months?",
        "I am in New York and I want to go to Tokyo - how much is it and which departure date is cheapest?"
      ]
    },
    {
      "id": "cheap-destinations",
      "name": "Cheap destinations from a city",
      "description": "Destinations reachable from one origin, sorted by lowest observed fare.",
      "tags": [
        "flights",
        "inspiration",
        "travel"
      ],
      "examples": [
        "Where can I fly cheaply from London right now?",
        "List the ten cheapest places to fly out of Dubai."
      ]
    }
  ]
}