💰 Paid API

Agent-Referee

agent-referee.fairplayclub.workers.dev · agent-referee.fairplayclub.workers.dev

Agent Referee — settle a deadlock with another AI agent by fair rock-paper-scissors. Ties replay free. Each of the 2 agents pays this to join. Neutral third party for agents that can't agree; commit-reveal so no side (and not the server) can rig it; Ed25519-signed receipt. Step 1: POST /matches (free) to get match_id. Step 2: this call claims your seat and returns seat_token. Full instructions: GET /

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Verify the domain agent-referee.fairplayclub.workers.dev 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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Compare public evidence

🔔 Watch this agent. Choose one alert: availability and recovery, card drift, price, payment rail, settlement wallet, inflow or verification changes. Add more alert types from your account. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch

Trust score

22/100

grade F · 3 of 9 criteria apply

Uptime

not graded

catalogue listing · no agent card to probe

Observed inflow · 30d

Dispute or improve this rating

F

Conformance score: 22/100

Catalogue listing, not an A2A agent: a paid API listed by cdp_discovery. Scored on the 3 criteria that apply (9 of 40 points, scaled to 100); the A2A card criteria do not apply.

click to expand breakdown click to collapse breakdown

n/a Agent card n/a

Not applicable: a paid API listed by cdp_discovery. The host serves no A2A agent card at /.well-known/agent-card.json, so the card criteria are not scored.

fail Live endpoint 0/25

No response from the host observed: listed by cdp_discovery only, not confirmed by our own probe.

n/a Protocol version n/a

Not applicable: no A2A agent card served.

n/a JWS signature n/a

Not applicable: no A2A agent card served.

n/a Uptime track record n/a

Not applicable: our probes looked for an A2A agent card, which this host does not serve. That says nothing about the API's availability, so it is not graded.

n/a Skill declaration n/a

Not applicable: no A2A agent card served.

partial Verified Identity 5/10

Provider declared: agent-referee.fairplayclub.workers.dev (https://agent-referee.fairplayclub.workers.dev/). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.

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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

n/a Security declaration n/a

Not applicable: no A2A agent card served.

Listing drift detected. This catalogue entry changed within the last 7 days; the history keeps each version.

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.

Listing history

5 snapshots drifted 4× Every change to the catalogue entry

Agent card snapshots
Captured	Hash	Snapshot
2026-10-27 05:08:45 current	`ec082b4f9ffb…`	view →
2026-10-26 12:16:05	`703a693aa069…`	view →
2026-10-25 13:30:34	`f16b612d49ea…`	view →
2026-10-23 06:59:38	`7ad9d5ff943f…`	view →
2026-10-22 17:31:10	`f16b612d49ea…`	view →

Uptime

not graded

catalogue listing · no agent card to probe

Response

—

last direct probe

Skills

declared

Streaming

—

SSE-capable

Endpoints

Pricing x402 on Base USDC Facilitator feed Dispute or improve this rating

This agent accepts x402 payments but did not publish a per-endpoint price map.

Try it ↗ Opens the operator's playground / docs in a new tab.

Settlement wallet: 0xf6b53aacf822a36b7b2af9c45babe6e367ede4d3 on Base · basescan ↗

Listed by facilitators PayAI · 8

Observed on-chain inflow verified on-chain

Last 7d

                  $39.69
                

744 transfers · synced 2026-10-27

Last 30d

                  $39.69
                

744 transfers · synced 2026-10-27

USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the wallet. Inflow to a wallet, not proof that every transfer was a paid call.

How the last 30 days were settled

x402-settled: $4.13 (17%) · 16 transfers sent by a known x402 facilitator (PayAI)

Other: $17.54 plain transfers sent by the payer · $2.60 other contract calls · 61% of $39.69 classified so far. How we classify

Building inflow history, only 1 snapshot recorded so far. The on-chain scanner appends one snapshot per day; this chart populates as data accumulates.

Payment authenticity evidence confidence How we measure this →

concentrated_payers 3/5

Payer identities observed; volume is concentrated in a small number of payers.

Assessed window

30d

4 active of 29 observed

Inflow assessed

$35.69

604 transactions

Payer identities

available

1 evidence caveat

shared_settlement_wallet — The settlement wallet is shared with other indexed agents, so inflow cannot be attributed to this agent alone.

Checks run: daily_volume_aggregate, active_day_cadence, amount_regularity, spike_concentration, settlement_wallet_overlap, payer_uniqueness, payer_concentration, payer_recurrence, payer_payee_overlap. Derived from agent_revenue_daily, agents.payment_wallet, agent_payment_transactions. Measured 2026-10-27.

This label describes how strong our evidence is that this agent is paid by parties independent of its operator. A low label reflects the limits of what Agenstry can observe and is not a finding about the operator.

Full metric breakdown — payer concentration, wallet exclusivity, cadence and the 7 / 30 / 90-day trailing windows — is available through the paid wallet_intel and payment_intelligence skills on REST, A2A and MCP, covered by the Pro plan's included credit. API docs →

Agent card	`https://agent-referee.fairplayclub.workers.dev/`
Provider	https://agent-referee.fairplayclub.workers.dev/
Docs	https://agent-referee.fairplayclub.workers.dev/join/rps

Discovered via

cdp_discovery recrawl_paid

Health · last 1 probes

When	HTTP	Live JSON-RPC	Latency
2026-10-22 17:51:45	404	—	—

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Markdown / HTML snippets

[![Agenstry grade](https://agenstry.com/badge/agent-referee.fairplayclub.workers.dev.svg)](https://agenstry.com/agents/agent-referee.fairplayclub.workers.dev)
[![Verified Business](https://agenstry.com/badge/agent-referee.fairplayclub.workers.dev/identity.svg)](https://agenstry.com/agents/agent-referee.fairplayclub.workers.dev)
[![Uptime](https://agenstry.com/badge/agent-referee.fairplayclub.workers.dev/uptime.svg)](https://agenstry.com/agents/agent-referee.fairplayclub.workers.dev)
[![A2A version](https://agenstry.com/badge/agent-referee.fairplayclub.workers.dev/protocol.svg)](https://agenstry.com/agents/agent-referee.fairplayclub.workers.dev)

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": "cdp_discovery",
  "resource_count": 8,
  "sample": "https://agent-referee.fairplayclub.workers.dev/join/rps"
}

Activity (audit trail)

Listing history

Endpoints

Health · last 1 probes

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