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📊 Intel view 📋 Audit JSON 🔄 Changelog
58
A2A live JSON-RPC A2A 0.3.0 v5.1.0

teas.co.uk tea assistant (Nicola)

teas.co.uk · teas.co.uk

Nicola answers tea questions for teas.co.uk, a UK tea shop: advice in plain words, the products that fit with live prices and stock, exact product facts, and basket links the person opens to buy on teas.co.uk. Assistants never pay or place orders. For baskets and checkout links, connect the teas.co.uk MCP server at https://teas.co.uk/mcp.

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Verify the domain teas.co.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
58/100
grade D · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
~4805 ms response
Observed inflow · 30d
—
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
stable
1 snapshot tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 58/100
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).
partial Live JSON-RPC 24/25
Endpoint responds to a negotiated A2A SendMessage probe, but is slow: ~4805 ms typical response.
How to earn +1 point
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"` (Major.Minor, no patch number — §3.6) 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.
pass Skill declaration 10/10
Declares 3 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: teas.co.uk (https://teas.co.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 4/5
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
2026-10-07 12:23:58 current a6cc1ac7b870… view →
Uptime
accumulating
1 direct probes · 30d
Response
1593ms
last direct probe
Skills
3
declared
Streaming
—
SSE-capable

Try it

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

calling agent…

Endpoints

Agent cardhttps://teas.co.uk/.well-known/agent-card.json
Providerhttps://teas.co.uk/
Docshttps://teas.co.uk/ai/
Discovered via
smithery

Skills · 3 declared · mapped to canonical taxonomy

Tea advice

Answers tea questions in plain words with the teas.co.uk products that fit: caffeine, strength, milk, time of day, taste and price per cup.

orphan: no canonical match yet
teaadvicecaffeineshopping
Find products

Lists and ranks teas.co.uk products for a need, with live prices, stock and product links.

orphan: no canonical match yet
teacoffeehot chocolatecatalogue
Basket link

Answers with products carry basket links: the person opens one, confirms on teas.co.uk, then checks out and pays there.

orphan: no canonical match yet
basketcheckout hand off

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-10-07 12:23:58 200 ✓ 1593ms

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/teas.co.uk.svg)](https://agenstry.com/agents/teas.co.uk)
[![Verified Business](https://agenstry.com/badge/teas.co.uk/identity.svg)](https://agenstry.com/agents/teas.co.uk)
[![Uptime](https://agenstry.com/badge/teas.co.uk/uptime.svg)](https://agenstry.com/agents/teas.co.uk)
[![A2A version](https://agenstry.com/badge/teas.co.uk/protocol.svg)](https://agenstry.com/agents/teas.co.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
{
  "protocolVersion": "0.3.0",
  "name": "teas.co.uk tea assistant (Nicola)",
  "description": "Nicola answers tea questions for teas.co.uk, a UK tea shop: advice in plain words, the products that fit with live prices and stock, exact product facts, and basket links the person opens to buy on teas.co.uk. Assistants never pay or place orders. For baskets and checkout links, connect the teas.co.uk MCP server at https://teas.co.uk/mcp.",
  "url": "https://teas.co.uk/a2a",
  "preferredTransport": "JSONRPC",
  "additionalInterfaces": [
    {
      "url": "https://teas.co.uk/a2a",
      "transport": "JSONRPC"
    }
  ],
  "version": "5.1.0",
  "provider": {
    "organization": "teas.co.uk",
    "url": "https://teas.co.uk/"
  },
  "iconUrl": "https://teas.co.uk/chatgpt/logo.png",
  "documentationUrl": "https://teas.co.uk/ai/",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "text/plain"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "supportsAuthenticatedExtendedCard": false,
  "skills": [
    {
      "id": "tea_advice",
      "name": "Tea advice",
      "description": "Answers tea questions in plain words with the teas.co.uk products that fit: caffeine, strength, milk, time of day, taste and price per cup.",
      "tags": [
        "tea",
        "advice",
        "caffeine",
        "shopping"
      ],
      "examples": [
        "Low caffeine tea for the afternoon",
        "Is Yorkshire Tea more caffeinated than PG Tips?"
      ]
    },
    {
      "id": "find_products",
      "name": "Find products",
      "description": "Lists and ranks teas.co.uk products for a need, with live prices, stock and product links.",
      "tags": [
        "tea",
        "coffee",
        "hot chocolate",
        "catalogue"
      ],
      "examples": [
        "Strong breakfast tea bags under \u00a35",
        "Rank black teas by price per cup"
      ]
    },
    {
      "id": "basket_link",
      "name": "Basket link",
      "description": "Answers with products carry basket links: the person opens one, confirms on teas.co.uk, then checks out and pays there.",
      "tags": [
        "basket",
        "checkout hand off"
      ],
      "examples": [
        "A basket link for two boxes of Yorkshire Tea"
      ]
    }
  ]
}