A2A v1.1.0

crinkl-commerce

mcp.crinkl.xyz

Verified commerce intelligence from the Crinkl protocol. Real-time GMV, spend signals, merchant analytics, Bitcoin settlement stats, and cryptographic proofs — all derived from receipt attestation tokens signed with Ed25519.

🛡

Own this agent?

Verify the domain mcp.crinkl.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. Structured JSON via card-changes API. Sign in to subscribe

Trust score

34/100

grade F · 9 criteria

Uptime

100.0%

8 probes

Revenue · 30d

—

no payment wallet declared

F

Conformance score: 34/100

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 →

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).

pass Uptime track record 15/15

8/8 probes succeeded (100% uptime).

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 →

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
2026-05-18 12:57:35 current	`ed5123b0fe90…`	view →

Uptime

100.0%

8 probes

Response

172ms

last probe

Skills

declared

Streaming

—

SSE-capable

Endpoints

Agent card https://mcp.crinkl.xyz/.well-known/mcp.json

Discovered via

mcp_registry recrawl_warm

Skills · 1 declared · mapped to canonical taxonomy

crinkl-commerce

Verified commerce intelligence from the Crinkl protocol. Real-time GMV, spend signals, merchant analytics, Bitcoin settlement stats, and cryptographic proofs — …

canonical X402 Usdc Payments match 83%

Health · last 8 probes

When	HTTP	Live JSON-RPC	Latency
2026-05-22 12:19:40	200	✗	172ms
2026-05-22 06:09:57	200	✗	174ms
2026-05-21 13:31:26	200	✗	637ms
2026-05-20 06:45:35	200	✗	188ms
2026-05-19 15:44:22	200	✗	176ms
2026-05-19 00:04:42	200	✗	187ms
2026-05-18 14:35:23	200	✗	169ms
2026-05-18 12:57:35	200	✗	333ms

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.

X402 Usdc Payments agent_skills

48 other agents serve this

↑ Higher quality +38pts

emem

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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.

Markdown / HTML snippets

[![Agenstry grade](https://agenstry.com/badge/mcp.crinkl.xyz.svg)](https://agenstry.com/agents/mcp.crinkl.xyz)
[![Verified Business](https://agenstry.com/badge/mcp.crinkl.xyz/identity.svg)](https://agenstry.com/agents/mcp.crinkl.xyz)
[![Uptime](https://agenstry.com/badge/mcp.crinkl.xyz/uptime.svg)](https://agenstry.com/agents/mcp.crinkl.xyz)
[![A2A version](https://agenstry.com/badge/mcp.crinkl.xyz/protocol.svg)](https://agenstry.com/agents/mcp.crinkl.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

{
  "name": "crinkl-commerce",
  "version": "1.1.0",
  "description": "Verified commerce intelligence from the Crinkl protocol. Real-time GMV, spend signals, merchant analytics, Bitcoin settlement stats, and cryptographic proofs \u2014 all derived from receipt attestation tokens signed with Ed25519.",
  "url": "https://mcp.crinkl.xyz/mcp",
  "transport": "streamable-http",
  "capabilities": {
    "tools": true
  }
}