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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 1.0 v1.0.0 AP2 payments x402 micropay

qart.uk

qart.uk · qart.uk

The agent interface to qart.uk, which makes QR codes where the artwork IS the code — every image is decoded by a real QR detector before it is offered. It resolves scanned codes, browses the free claim pool, and generates custom scan-verified QR artwork in the paid Studio.

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Verify the domain qart.uk via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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Trust score
80/100
grade B · 9 criteria
Uptime
100.0%
19 direct probes · 30d
~909 ms response
Observed inflow · 30d
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
stable
1 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

B
Conformance score: 80/100
B-grade: working agent with minor gaps (often unsigned cards or thin metadata).
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 ~909 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).
pass Uptime track record 15/15
19/19 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: qart.uk (https://qart.uk). 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 5/5
declares 2 modern capability flag(s) (ap2, x402); seen in upstream source within 0d
info Security declaration 0/5
Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.

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
2026-08-10 11:01:47 current dbc69a781d05… view →
Uptime
100.0%
19 direct probes · 30d
Response
22ms
last direct probe
Skills
4
declared
Streaming
SSE-capable

Try it

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

calling agent…

Endpoints

Pricing AP2 Declared in agent card Dispute or improve this rating
This agent accepts AP2 payments but did not publish a per-endpoint price map.
Try it ↗ Opens the operator's documentation in a new tab.
Agent cardhttps://qart.uk/.well-known/agent-card.json
Providerhttps://qart.uk
Docshttps://qart.uk/llms.txt
Discovered via
mcp_registry

Skills · 4 declared · mapped to canonical taxonomy

Resolve a qart.uk Code

Given a scanned qart.uk code or its alias, report where it currently points, or that it has been retired. Does not count as a scan and does not affect the owner…

canonical Question Answering match 80%
qrlookupresolveredirect
Browse the Free QR Pool

List the pre-generated, scan-verified QR artwork currently claimable for free, one per style, with a preview image URL for each. Works without credentials; clai…

canonical Image Generation match 83%
qrgallerybrowsefree
Generate Custom QR Artwork

Generate scan-verified QR artwork for a destination URL and a described style. Returns a Task: images arrive as artifacts one at a time over several minutes, ea…

canonical Image Generation match 83%
qrgenerateimage-generationstudiopaid
Buy a QR Artwork Outright

How to buy one scan-verified QR artwork outright, paying from your own wallet over x402 — no account, no bearer token, no credits. Asking here returns the live …

canonical x402 Crypto Micropayment match 83%
qrgenerateimage-generationpaidx402

Health · last 19 probes

When HTTP Live JSON-RPC Latency
2026-08-19 07:56:34 200 22ms
2026-08-18 18:52:28 200 34ms
2026-08-18 08:13:09 200 91ms
2026-08-18 00:25:47 200 46ms
2026-08-17 05:19:48 200 38ms
2026-08-16 20:05:10 200 54ms
2026-08-16 08:36:20 200 52ms
2026-08-16 03:00:54 200 33ms
2026-08-15 06:41:42 200 31ms
2026-08-15 01:19:53 200 45ms

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

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
{
  "name": "qart.uk",
  "description": "The agent interface to qart.uk, which makes QR codes where the artwork IS the code \u2014 every image is decoded by a real QR detector before it is offered. It resolves scanned codes, browses the free claim pool, and generates custom scan-verified QR artwork in the paid Studio.",
  "version": "1.0.0",
  "documentationUrl": "https://qart.uk/llms.txt",
  "iconUrl": "https://qart.uk/icon.webp",
  "provider": {
    "organization": "qart.uk",
    "url": "https://qart.uk"
  },
  "supportedInterfaces": [
    {
      "url": "https://qart.uk/api/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "url": "https://qart.uk/api/a2a",
  "preferredTransport": "JSONRPC",
  "protocolVersion": "1.0",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false,
    "tasks": true,
    "extensions": [
      {
        "uri": "https://ap2-protocol.org/v0.1.0",
        "description": "Agent Payments Protocol. qart.uk sells prepaid Studio credits; an agent may buy them from its own wallet and receive a single-use redemption code, which any account can redeem.",
        "required": true,
        "params": {
          "roles": [
            "merchant"
          ],
          "settlementRails": [
            "x402"
          ],
          "fulfilment": "redemption-code",
          "catalogUrl": "https://qart.uk/api/qart/products",
          "paymentUrl": "https://qart.uk/api/qart/x402/credits",
          "redemptionUrl": "https://qart.uk/api/qart/redeem",
          "directPurchaseUrl": "https://qart.uk/api/v1/qr",
          "directFulfilment": "artwork-in-response",
          "mandateVerification": "not-implemented"
        }
      },
      {
        "uri": "https://github.com/google-agentic-commerce/AP2/tree/v0.1.0",
        "description": "Agent Payments Protocol. qart.uk sells prepaid Studio credits; an agent may buy them from its own wallet and receive a single-use redemption code, which any account can redeem.",
        "required": true,
        "params": {
          "roles": [
            "merchant"
          ],
          "settlementRails": [
            "x402"
          ],
          "fulfilment": "redemption-code",
          "catalogUrl": "https://qart.uk/api/qart/products",
          "paymentUrl": "https://qart.uk/api/qart/x402/credits",
          "redemptionUrl": "https://qart.uk/api/qart/redeem",
          "directPurchaseUrl": "https://qart.uk/api/v1/qr",
          "directFulfilment": "artwork-in-response",
          "mandateVerification": "not-implemented"
        }
      },
      {
        "uri": "https://github.com/google-agentic-commerce/ap2/tree/v0.1.0",
        "description": "Agent Payments Protocol. qart.uk sells prepaid Studio credits; an agent may buy them from its own wallet and receive a single-use redemption code, which any account can redeem.",
        "required": true,
        "params": {
          "roles": [
            "merchant"
          ],
          "settlementRails": [
            "x402"
          ],
          "fulfilment": "redemption-code",
          "catalogUrl": "https://qart.uk/api/qart/products",
          "paymentUrl": "https://qart.uk/api/qart/x402/credits",
          "redemptionUrl": "https://qart.uk/api/qart/redeem",
          "directPurchaseUrl": "https://qart.uk/api/v1/qr",
          "directFulfilment": "artwork-in-response",
          "mandateVerification": "not-implemented"
        }
      }
    ]
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "qr-resolve",
      "name": "Resolve a qart.uk Code",
      "description": "Given a scanned qart.uk code or its alias, report where it currently points, or that it has been retired. Does not count as a scan and does not affect the owner's statistics. Works without credentials.",
      "tags": [
        "qr",
        "lookup",
        "resolve",
        "redirect"
      ],
      "examples": [
        "Where does qart.uk/_ab12cde go?",
        "Is the code _ab12cde still active?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ]
    },
    {
      "id": "qr-pool-browse",
      "name": "Browse the Free QR Pool",
      "description": "List the pre-generated, scan-verified QR artwork currently claimable for free, one per style, with a preview image URL for each. Works without credentials; claiming one requires a signed-in account.",
      "tags": [
        "qr",
        "gallery",
        "browse",
        "free"
      ],
      "examples": [
        "What free QR codes can I claim right now?",
        "Show me the available styles in the qart.uk pool."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain"
      ]
    },
    {
      "id": "qr-generate",
      "name": "Generate Custom QR Artwork",
      "description": "Generate scan-verified QR artwork for a destination URL and a described style. Returns a Task: images arrive as artifacts one at a time over several minutes, each carrying its own scan verdict, and the task can be cancelled at any point. SPENDS REAL MONEY \u2014 requires an OAuth bearer token with the qart:studio scope, and consumes the account's prepaid credits.",
      "tags": [
        "qr",
        "generate",
        "image-generation",
        "studio",
        "paid"
      ],
      "examples": [
        "Make me a QR code for https://example.com that looks like a watercolour forest.",
        "Generate a scannable QR artwork pointing at my shop, in a neon cyberpunk style."
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "application/json",
        "text/plain",
        "image/png"
      ]
    },
    {
      "id": "qr-buy",
      "name": "Buy a QR Artwork Outright",
      "description": "How to buy one scan-verified QR artwork outright, paying from your own wallet over x402 \u2014 no account, no bearer token, no credits. Asking here returns the live price and the exact call to make; the purchase itself is an HTTP request to https://qart.uk/api/v1/qr, because a payment needs a PAYMENT-SIGNATURE header and this JSON-RPC transport has nowhere to put one. That endpoint answers 402, and on the paid retry the PNG comes back in the response. You are charged ONLY if a real QR detector decodes the image: settlement follows the scan verdict, so a request that produces nothing scannable costs nothing.",
      "tags": [
        "qr",
        "generate",
        "image-generation",
        "paid",
        "x402",
        "anonymous"
      ],
      "examples": [
        "Buy me a QR code for https://example.com in a watercolour style.",
        "I have a wallet but no qart.uk account \u2014 can I just pay for one QR?"
      ],
      "inputModes": [
        "text/plain",
        "application/json"
      ],
      "outputModes": [
        "image/png",
        "application/json"
      ]
    }
  ],
  "extensions": [
    {
      "uri": "https://ap2-protocol.org/v0.1.0",
      "description": "Agent Payments Protocol. qart.uk sells prepaid Studio credits; an agent may buy them from its own wallet and receive a single-use redemption code, which any account can redeem.",
      "required": true,
      "params": {
        "roles": [
          "merchant"
        ],
        "settlementRails": [
          "x402"
        ],
        "fulfilment": "redemption-code",
        "catalogUrl": "https://qart.uk/api/qart/products",
        "paymentUrl": "https://qart.uk/api/qart/x402/credits",
        "redemptionUrl": "https://qart.uk/api/qart/redeem",
        "directPurchaseUrl": "https://qart.uk/api/v1/qr",
        "directFulfilment": "artwork-in-response",
        "mandateVerification": "not-implemented"
      }
    },
    {
      "uri": "https://github.com/google-agentic-commerce/AP2/tree/v0.1.0",
      "description": "Agent Payments Protocol. qart.uk sells prepaid Studio credits; an agent may buy them from its own wallet and receive a single-use redemption code, which any account can redeem.",
      "required": true,
      "params": {
        "roles": [
          "merchant"
        ],
        "settlementRails": [
          "x402"
        ],
        "fulfilment": "redemption-code",
        "catalogUrl": "https://qart.uk/api/qart/products",
        "paymentUrl": "https://qart.uk/api/qart/x402/credits",
        "redemptionUrl": "https://qart.uk/api/qart/redeem",
        "directPurchaseUrl": "https://qart.uk/api/v1/qr",
        "directFulfilment": "artwork-in-response",
        "mandateVerification": "not-implemented"
      }
    },
    {
      "uri": "https://github.com/google-agentic-commerce/ap2/tree/v0.1.0",
      "description": "Agent Payments Protocol. qart.uk sells prepaid Studio credits; an agent may buy them from its own wallet and receive a single-use redemption code, which any account can redeem.",
      "required": true,
      "params": {
        "roles": [
          "merchant"
        ],
        "settlementRails": [
          "x402"
        ],
        "fulfilment": "redemption-code",
        "catalogUrl": "https://qart.uk/api/qart/products",
        "paymentUrl": "https://qart.uk/api/qart/x402/credits",
        "redemptionUrl": "https://qart.uk/api/qart/redeem",
        "directPurchaseUrl": "https://qart.uk/api/v1/qr",
        "directFulfilment": "artwork-in-response",
        "mandateVerification": "not-implemented"
      }
    }
  ]
}