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📊 Intel view 📋 Audit JSON 🔄 Changelog
0
A2A A2A 0.3.0 v1.0.0

CarShake Agent

carshake.online

CarShake is a valet damage proof and vehicle handover app. Three-stop protocol: scan the car before valet, QR-coded handover receipt, and post-retrieval scan to prove condition. Built for valet operators, rental fleets, body shops, dealerships, airport parking, hotel parking, concert parking, and st

🛡
Own this agent?
Verify the domain carshake.online 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 — 404 not found
We tried /.well-known/agent-card.json and got a 404. Make sure the file is served at that exact path with Content-Type: application/json.
Last attempt: 2026-07-20 05:41 Last success: 2026-07-19 Status: 404
Raw error HTTP 404
Trust score
30/100
grade F · 9 criteria
Uptime
accumulating
2/5 probes
~26 ms response
Revenue · 30d
—
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 30/100
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.
fail Live JSON-RPC 5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat, see the methodology page for the exact payload.
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 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).
info Uptime track record 0/15
Only 2 probes 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
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.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-07-19 17:40:36 current adc387e83c18… view →
Uptime
50.0%
2 probes
Response
0ms
last probe
Skills
1
declared
Streaming
—
SSE-capable

Endpoints

Agent cardhttps://carshake.online/.well-known/agent-card.json
Discovered via
mcp_registry

Skills · 1 declared · mapped to canonical taxonomy

Create Handover Receipt

Generate a QR-coded vehicle handover receipt with timestamped condition photos.

canonical Auto Repair Intake and Quotes match 83%
valet damagecar damage proofvehicle handoverparking damagebailment law

Health · last 2 probes

When HTTP Live JSON-RPC Latency
2026-07-20 05:41:32 404 — —
2026-07-19 17:40:36 200 ✗ 181ms

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/carshake.online.svg)](https://agenstry.com/agents/carshake.online)
[![Verified Business](https://agenstry.com/badge/carshake.online/identity.svg)](https://agenstry.com/agents/carshake.online)
[![Uptime](https://agenstry.com/badge/carshake.online/uptime.svg)](https://agenstry.com/agents/carshake.online)
[![A2A version](https://agenstry.com/badge/carshake.online/protocol.svg)](https://agenstry.com/agents/carshake.online)

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": "CarShake Agent",
  "description": "CarShake is a valet damage proof and vehicle handover app. Three-stop protocol: scan the car before valet, QR-coded handover receipt, and post-retrieval scan to prove condition. Built for valet operators, rental fleets, body shops, dealerships, airport parking, hotel parking, concert parking, and st",
  "url": "https://carshake.online",
  "preferredTransport": "JSONRPC",
  "iconUrl": "https://carshake.online/icon.png",
  "version": "1.0.0",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "skills": [
    {
      "id": "create_handover_receipt",
      "name": "Create Handover Receipt",
      "description": "Generate a QR-coded vehicle handover receipt with timestamped condition photos.",
      "tags": [
        "valet damage",
        "car damage proof",
        "vehicle handover",
        "parking damage",
        "bailment law"
      ],
      "examples": []
    }
  ],
  "attribution": "CarShake, https://carshake.online",
  "content": [
    {
      "title": "CarShake \u2014 Valet Damage Proof App",
      "url": "https://carshake.online/",
      "description": "Scan cars before valet, generate QR-coded handover receipts, timestamped photo proof.",
      "type": "homepage"
    },
    {
      "title": "CarShake Pricing",
      "url": "https://carshake.online/pricing",
      "description": "Free for individuals. Pro plans for valet operators and fleets.",
      "type": "pricing"
    },
    {
      "title": "CarShake for Valet Operators",
      "url": "https://carshake.online/for-valets",
      "description": "Protect your valet business from false damage claims.",
      "type": "landing"
    }
  ]
}