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📊 Intel view 📋 Audit JSON 🔄 Changelog
85
💰 Paid API

hars.cryptotavern.xyz

hars.cryptotavern.xyz · hars.cryptotavern.xyz

HARS-Zero Polymarket signal: market-brief

🛡
Own this agent?
Verify the domain hars.cryptotavern.xyz 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
Trust score
19/100
grade F · 9 criteria
Uptime
accumulating
1/5 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: 19/100
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).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
fail Skill declaration 0/10
No skills declared in card. Hard to route to.
How to earn +10 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: hars.cryptotavern.xyz (https://hars.cryptotavern.xyz). 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
100.0%
1 probes
Response
0ms
last probe
Skills
0
declared
Streaming
—
SSE-capable

Endpoints

Pricing x402 on Base USDC
From $0.0065 per call
Endpoint Price Currency
https://hars.cryptotavern.xyz/paid/market-brief 0.0065 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0xa1ae67b4f4f5e22dba4b97be55fa221c11367e17 · basescan ↗
Agent cardhttps://hars.cryptotavern.xyz
Providerhttps://hars.cryptotavern.xyz
Docshttps://hars.cryptotavern.xyz
Discovered via
agentic_market

Health · last 0 probes

When HTTP Live JSON-RPC Latency

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Embed your Agenstry badge

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

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": "hars-cryptotavern-xyz",
    "name": "hars.cryptotavern.xyz",
    "description": "HARS-Zero Polymarket signal: market-brief",
    "domain": "hars.cryptotavern.xyz",
    "provider": "hars.cryptotavern.xyz",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://hars.cryptotavern.xyz/paid/market-brief",
        "description": "HARS-Zero Polymarket signal: market-brief",
        "pricing": {
          "amount": "0.0065",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "GET",
        "providerName": "",
        "parameters": [],
        "serviceName": "HARS-Zero",
        "tags": [
          "polymarket",
          "x402",
          "prediction-markets"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "0.0065",
      "maxAmount": "0.0065",
      "avgCostPerTransaction": "0.0065",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "HARS-Zero",
    "tags": [
      "polymarket",
      "x402",
      "prediction-markets"
    ],
    "iconUrl": ""
  }
}