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📊 Intel view 📋 Audit JSON 🔄 Changelog
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💰 Paid API

web-production-18a32.up.railway.app

web-production-18a32.up.railway.app · web-production-18a32.up.railway.app

UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.

🛡
Own this agent?
Verify the domain web-production-18a32.up.railway.app 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.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Our probe of this card is currently failing
Last probe error: schema invalid: 1 validation error for AgentCard name Field required [type=missing, input_value={'mcpServers': {'uk-data-...points paid via x402'}}}, input_type=dict] For
Last attempt: 2026-07-17 15:10 Last success: 2026-07-16 Status: 200
Trust score
26/100
grade F · 9 criteria
Uptime
5.7%
159 probes
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
0 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 26/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
info Live JSON-RPC 0/25
Live probe hasn't run yet.
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
fail Uptime track record 1/15
9/159 probes succeeded (6% uptime).
How to earn +14 points
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
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 →
partial Verified Identity 5/10
Provider declared: web-production-18a32.up.railway.app (https://web-production-18a32.up.railway.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
No securitySchemes declared (common for open agents, not penalised).
⚠ 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 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Uptime
5.7%
159 probes
Response
178ms
last probe
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Agent cardhttps://web-production-18a32.up.railway.app/.well-known/mcp.json
Providerhttps://web-production-18a32.up.railway.app
Docshttps://web-production-18a32.up.railway.app
Discovered via
agentic_market mcp_registry recrawl_warm

Skills · 1 declared · mapped to canonical taxonomy

web-production-18a32.up.railway.app

UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.

canonical Tax Compliance and Filing match 80%

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-17 15:10:17 200 — 178ms
2026-07-17 07:41:05 200 — 206ms
2026-07-17 01:15:22 200 — 179ms
2026-07-16 14:10:45 200 — 186ms
2026-07-16 07:33:37 200 — 186ms
2026-07-16 00:24:18 200 — 186ms
2026-07-15 05:27:18 200 — 198ms
2026-07-14 23:12:26 200 — 179ms
2026-07-13 18:24:18 200 — 177ms
2026-07-13 05:34:08 200 — 174ms

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.

44 other agents serve this

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime
Markdown / HTML snippets 
[![Agenstry grade](https://agenstry.com/badge/web-production-18a32.up.railway.app.svg)](https://agenstry.com/agents/web-production-18a32.up.railway.app)
[![Verified Business](https://agenstry.com/badge/web-production-18a32.up.railway.app/identity.svg)](https://agenstry.com/agents/web-production-18a32.up.railway.app)
[![Uptime](https://agenstry.com/badge/web-production-18a32.up.railway.app/uptime.svg)](https://agenstry.com/agents/web-production-18a32.up.railway.app)
[![A2A version](https://agenstry.com/badge/web-production-18a32.up.railway.app/protocol.svg)](https://agenstry.com/agents/web-production-18a32.up.railway.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 
{
  "_source": "agentic.market",
  "service": {
    "id": "web-production-18a32-up-railway-app",
    "name": "web-production-18a32.up.railway.app",
    "description": "UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.",
    "domain": "web-production-18a32.up.railway.app",
    "provider": "web-production-18a32.up.railway.app",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://web-production-18a32.up.railway.app/council-tax",
        "description": "UK council tax bands A\u2013H by postcode.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "postcode",
            "type": "string",
            "description": "",
            "example": "M1 1AA",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": null
      },
      {
        "url": "https://web-production-18a32.up.railway.app/crime-stats",
        "description": "UK street-level crime statistics by postcode (Police UK).",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "postcode",
            "type": "string",
            "description": "",
            "example": "E1 6AN",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "5",
          "l30DaysUniquePayers": "2"
        }
      },
      {
        "url": "https://web-production-18a32.up.railway.app/epc-rating",
        "description": "UK Energy Performance Certificate (EPC) ratings by postcode.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "limit",
            "type": "number",
            "description": "",
            "example": 20,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "postcode",
            "type": "string",
            "description": "",
            "example": "EC1A 1BB",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": null
      },
      {
        "url": "https://web-production-18a32.up.railway.app/flood-risk",
        "description": "UK flood risk by postcode (Environment Agency).",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "postcode",
            "type": "string",
            "description": "",
            "example": "DT1 1HZ",
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "2"
        }
      },
      {
        "url": "https://web-production-18a32.up.railway.app/stamp-duty",
        "description": "UK Stamp Duty Land Tax (SDLT) calculator with first-time buyer relief and surcharges.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "is_additional_property",
            "type": "boolean",
            "description": "",
            "example": false,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "is_first_time_buyer",
            "type": "boolean",
            "description": "",
            "example": false,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "is_non_resident",
            "type": "boolean",
            "description": "",
            "example": false,
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "price",
            "type": "number",
            "description": "",
            "example": 350000,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": {
          "l30DaysTotalCalls": "2",
          "l30DaysUniquePayers": "1"
        }
      },
      {
        "url": "https://web-production-18a32.up.railway.app/yield-estimate",
        "description": "Estimated rental yield for a UK postcode.",
        "pricing": {
          "amount": "0.001",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [
          {
            "group": "body",
            "name": "postcode",
            "type": "string",
            "description": "",
            "example": "M1 1AA",
            "enumValues": [],
            "default": null,
            "required": false
          },
          {
            "group": "body",
            "name": "property_value",
            "type": "number",
            "description": "",
            "example": 250000,
            "enumValues": [],
            "default": null,
            "required": false
          }
        ],
        "serviceName": "",
        "tags": [],
        "quality": null
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.001",
      "maxAmount": "0.001",
      "avgCostPerTransaction": "0.001",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "",
    "tags": [],
    "iconUrl": ""
  }
}